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50results about How to "Reduce construction energy consumption" patented technology
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Asphalt-based non-curable heat-resistant waterproof sealant and preparation method thereof
ActiveCN102775956AImprove adhesionAdhesiveNon-macromolecular adhesive additivesOther chemical processesPolymer sciencePolyolefin
The invention relates to an asphalt-based non-curable heat-resistant waterproof sealant and a preparation method of the sealant. The sealant comprises the following components in percentage by weight: 10-35% of asphalt, 5-15% of rubber oil, 1-3% of polyolefin processing modifier, 20-30% of 30Mu-100Mu glue powder, 5-10% of tackifier, 10-30 of sodium bentonite, and 3-5% of wetting dispersant reagent. The sealant has the following characteristics of good bonding property, high percentage elongation, good self-healing property, good creep property, possible construction of knife coating, spray coating or grouting, no need to maintain, capability of being constructed on wet foundation surface even under condition of (-40) DEG C and thus effectively shortening the construction period, no organic solvent, low energy consumption in construction, safety, environmental friendliness, no pollution, high-temperature resistance (not flowing at 110 DEC C), low-temperature resistance (not cracking at (-40) DEG C), stable property, good stickiness, and capability of sealing base layer cracks and pores so as to avoid water channeling phenomenon.
Owner:中建材苏州防水研究院有限公司 +1
Non-cured rubber asphalt waterproof paint and preparation method thereof
InactiveCN107142017AHigh bonding strengthLong-lasting creepFireproof paintsBituminous coatingsBituminous waterproofingSodium Bentonite
The invention relates to non-cured rubber asphalt waterproof paint and a preparation method thereof. According to the technical scheme, the paint is prepared from, by weight, 15-50 parts of asphalt, 5-15 parts of softening oil, 1-5 parts of synthetic rubber, 2-8 parts of resin, 10-20 parts of tackifying resin, 2-8 parts of a wetting agent, 10-20 parts of butyl rubber, 10-20 parts of sodium bentonite and 5-20 parts of ferrite. The non-cured rubber asphalt waterproof paint is resistant to ageing and good in low-temperature cohesiveness and creep property, the paint can be melted under the action of an alternating magnetic field, construction energy consumption is low, and the paint is safe and environmentally friendly.
Owner:LIAONING JIUDING HONGTAI WATERPROOF TECH CO LTD
Lightweight composite column, lightweight composite beam and load bearing lightweight composite thermal-insulation wall body
The invention discloses a lightweight composite column, a lightweight composite beam and a lightweight composite thermal-insulation wall body. The invention relates to a composite thermal-insulation wall body for buildings. The purpose of the invention is to increase the bearing capacity of the lightweight composite thermal-insulation wall body and to cancel thermal bridges at openings. The lightweight composite column is formed by steel bars, a core layer, steel hoops and a protective layer, wherein the core layer is arranged between an internal protective layer and an external protective layer and is bonded with the internal protective layer and the external protective layer, the steel bars are arranged in the internal protective layer and the external protective layer and the steel hoops are tightly tied with the steel bars. The lightweight composite beam is formed by steel bars, a core layer, a protective layer and an alkali-resisting mesh, wherein the protective layer is arranged on the two sides and the upper part of the core layer and is bonded with the core layer; and the steel bars and the protective layer are wrapped and wound by the alkali-resisting mesh. The lightweight composite wall body is formed by beams or slabs of the main body structure of a building, lightweight composite columns, lightweight composite beams, lightweight boards and a leveling blanket, wherein the lightweight composite columns are anchored with the beams or slabs of the main body structure of the building, and the lightweight boards are arranged on the beams or slabs and are bonded with the columns; and the lightweight composite beams are arranged at openings and are connected with the lightweight composite columns. The composite wall body of the invention has the advantages that the thermal insulation performance is good, the manufacturing cost is low, the application scope is wide, the wall body reformation is promoted and the energy is saved.
Owner:吴淑环
Industrialization energy-saving building house
ActiveCN101353929AAchieve aestheticsReduce consumptionFloorsDwelling buildingArchitectural engineeringShock resistance
The invention discloses an industrialized energy-saving building which comprises a load-carrying frame, an enclosing exterior wall, a floor cover slab and a roof cover plate; the enclosing exterior wall is formed by the assembly of entirely prefabricated composite exterior wall boards and fixed on the load-carrying frame of a main body by a shock-resistance and energy-dissipation connecting part. The building is an industrialized energy-saving building which lessens construction energy consumption, water consumption and work area, saves construction material, reduces construction noise and the influence of dust on the environment and the ecology, shortens the construction period, has function of shock resistance and energy dissipation and is capable of saving energy, material, water, land and protecting environment.
Owner:黄涛 +1
Combined rock-breaking tbm tunneling method in complex strata for realizing three-way force detection
ActiveUS20210003009A1Reduce energy consumptionImprove rock breaking efficiencyTunnelsMeasurement of force componentsLithologyClassical mechanics
Disclosed a combined rock-breaking TBM tunneling method in complex strata for realizing three-way force detection, comprising the steps of preparing a combined mechanical-hydraulic rock-breaking cutter head for TBM construction; starting construction; advancing the combined mechanical-hydraulic rock-breaking cutter head; pushing and pressing against a tunnel face by a mechanical cutter tool; subjecting a three-way force detection cutter to squeezing forces; feeding back three-way force data by a three-way force sensor; processing information by a TBM back-end control processor; obtaining a value of rock-cutter contact angle φ; feeding back parameter information to a TBM cutter head control center by a lithology index center; responding by the TBM cutter head control center, obtaining and adjusting parameters by the mechanical cutter tool equipped with the three-way force sensor; and breaking rock by the combined mechanical-hydraulic rock-breaking cutter head. The method disclosed is energy-saving and efficient, and has high rock-breaking efficiency.
Owner:INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI
Processing method for strengthening vacuum preloading soft foundation by direct-current electric field
InactiveCN103726486AAchieve drainage consolidationAvoid cloggingSoil preservationCable transmissionSoil science
The invention discloses a processing method for strengthening a vacuum preloading soft foundation by a direct-current electric field. A direct-current electric field operating well is arranged in a vacuum preloading soft foundation processing area, a direct-current power supply is installed, a positive-electrode discharge electrode or a negative-electrode discharge electrode is vertically arranged in the direct-current electric field operating well, the direct-current power supply is connected with the positive-electrode discharge electrode or the negative-electrode discharge electrode through a cable, the direct-current power supply is switched on in the vacuum preloading construction period, and therefore the direct-current power supply outputs direct currents which are transmitted to the positive-electrode discharge electrode through the cable, the positive-electrode discharge electrode discharges the direct currents to a soft soil layer in the soft foundation processing area, the direct-current electric field is formed in the soft soil layer between the positive-electrode discharge electrode and the negative-electrode discharge electrode, and direct-current electric field processing is performed on the soft soil layer of the vacuum preloading soft foundation processing area. According to the processing method for strengthening the vacuum preloading soft foundation by the direct-current electric field, the construction effect of processing the vacuum preloading soft foundation of mucky soil can be obviously enhanced, the purposes of reducing construction energy consumption and construction cost and shortening a construction period are achieved, and processing of the mucky soil soft foundation of a deep and thick layer can be effectively performed.
Owner:邓立新
Environment-friendly room temperature curing organic silicon high-temperature resistant coating and preparation method thereof
ActiveCN103409063ASolving room temperature curing problemsIncrease crosslink densityCoatingsFiberAlcohol
The invention belongs to the field of coating technology, and especially relates to an environment-friendly room temperature curing organic silicon high-temperature resistant coating. The environment-friendly room temperature curing organic silicon high-temperature resistant coating is composed of A component and B component. A component comprises organic silicon resin, a pigment, a thermal insulation material, a high-temperature binding material, and a rust-resisting material with the balance being an organic solvent; B component comprises triethylenetetramine, a catalyst, an adhesion promoter, and absolute ethyl alcohol. The mass ratio of A component to B component is 20-25:1; and the thermal insulation material is a mixture prepared by mixing mica powder, alumina silicate fiber and aluminum oxide short fiber at a mass ratio of 10-12:8-10:5-20. The environment-friendly room temperature curing organic silicon high-temperature resistant coating is capable of solving the room temperature solidification problem of organic silicon high-temperature resistant thermal-insulating coatings, simplifying construction technologies, reducing construction energy consumption, and expanding the application range of organic silicon high-temperature resistant thermal-insulating coatings. Crosslink density of films made of the environment-friendly room temperature curing organic silicon high-temperature resistant coating is high, and fuel oil resistance is excellent. Aluminum oxide short fiber is used as the thermal insulation material, no coating additive is used, no priming paint is needed, the high-temperature resistance of the environment-friendly room temperature curing organic silicon high-temperature resistant coating is high, and the environment-friendly room temperature curing organic silicon high-temperature resistant coating is capable of resisting a temperature higher than 900 DEG C.
Owner:SHANDONG NORTH MODERN CHEM IND
Steel structure tenon-mortise connector and connecting method thereof
PendingCN107060088AImprove welding qualityReduce pollutionBuilding constructionsTongue and grooveFlange
The invention discloses a steel structure tenon-mortise connector which comprises a tenon and a mortise. The tenon is of an I-steel structure, the mortise is a T-shaped steel sliding groove, and the I-steel structure and the T-shaped steel sliding groove are tightly combined in a tenon-mortise mode. In addition, grooves are formed in the two sides of an upper flange of the I-steel tenon in the height direction correspondingly, protruding heads are arranged on the two sides of a flange of the T-shaped steel sliding groove in the height direction correspondingly, and the protruding heads and the grooves are completely matched. The tenon and the mortise are anchored through a fixing bolt, and are connected with a first steel member and a second steel member correspondingly before connected. The invention further provides a connecting method of the steel structure tenon-mortise connector. The connector between the steel members is the tenon-mortise assembled connector, not only is the size of the original members at the joint not reduced, but also the size is enhanced at the joint, and firm connection of the members is guaranteed; and moreover, the combination face of the tenon-mortise connector is large, high section shear-resistance capacity is achieved, and the safety degree is higher.
Owner:HOHAI UNIV
Preparation method and application of epoxy asphalt compatibilizer
The invention relates to a preparation method of an epoxy asphalt compatibilizer, which comprises the following steps: a) heating heavy aromatic oil to 60-180 DEG C; and b) adding isocyanate accounting for 3-10 wt% of the heavy aromatic oil, 0.5-5 wt% of initiator and 3-10 wt% of anti-degradant into the heavy aromatic oil, and stirring for 0.5-2 hours to obtain the epoxy asphalt compatibilizer. The epoxy asphalt compatibilizer obtained by the method can increase the compatibility between the matrix asphalt and epoxy resin. The application method of the epoxy asphalt compatibilizer comprises the following steps: adding asphalt, the epoxy asphalt compatibilizer, an epoxy asphalt diluter, an epoxy resin and an epoxy resin diluter into a reaction kettle, and mixing to obtain a part A of the epoxy asphalt material; and mixing the part A of the epoxy asphalt material with a part B epoxy asphalt curing agent of the epoxy asphalt material to obtain the epoxy asphalt material applicable to room-temperature construction. The material can be directly laid on the pavement at room temperature, or mixed with aggregate stone and laid on the pavement.
Owner:湖北恒标塑胶股份有限公司 +1
High titanium type petroleum oil pressing crack propping agent and production method thereof
InactiveCN1325423CEnvironmentally friendlyReduce manufacturing costSolid waste managementClaywaresSpray GranulationSlag
Owner:PANZHIHUA HUANYE METALLURGICAL SLAG DEV CO LTD
Intelligent paint spraying device and paint spraying method
PendingCN109174514ATimely collection and processingProtect healthSpraying apparatusFiltrationActivated carbon filtration
The invention discloses an intelligent paint spraying device and paint spraying method. An operation cavity is connected with a to-be-sprayed workpiece in a sealing mode through a sealing device; a temperature, humidity and air pressure inductive control unit is set and started through a touch control panel; after the environment in the operation cavity reaches the set condition, a manipulator conducts spraying operation according to a track given by an image recognition system; the air pressure in the operation cavity is kept constant while paint spraying operation is conducted; VOC brought by circulating air are continuously filtered by an activated carbon filtration unit, a graphene filtration unit and a UV photodecomposition air purification unit while paint spraying operation is conducted; the VOC concentration is detected by a VOC detection unit in real time while paint spraying operation is conducted, and when the VOC concentration exceeds a VOC concentration set value, the manipulator stops the paint spraying work; and after the manipulator completes paint spraying, a drying device is started to conduct drying operation on the paint surface. The intelligent paint spraying device can be conveniently applied to designated places; concentrated paint spraying and drying can be conducted on local areas; paint mist and waste gas such as the VOC can be collected and treated intime; and the labor cost and the material cost are greatly saved.
Owner:徐州汉龙智能科技有限公司
Slip form construction method of large-fluidity paving concrete for subway rail base
The invention discloses a slip form construction method of large-fluidity paving concrete for subway rail base. The large-fluidity paving concrete and a slip form paving machine which is adaptive to the performance of the concrete are applied. The method comprises the following steps that, (1) the slip form paving machine for the subway rail base concrete is in position and debugged; (2) the large-fluidity paving concrete is prepared and transported; (3) the concrete is loaded into a material storage bin, and the slip form paving machine is tested to carry out the slip form; (4) the slip formpaving machine is operated, and the linear shape and flatness of the concrete base are detected; and (5) the surface of the base concrete is finished and maintained. According to the slip form construction method for subway base concrete, the method is low in energy consumption, low in noise pollution and capable of continuously constructing, the automation degree of the construction process is improved, the consumption of manpower and material resources is remarkably reduced, and the method has extremely high popularization and application values.
Owner:SHENZHEN MUNICIPAL DESIGN & RES INST +2
Heat-insulating decorative fireproof partition board for exterior wall of building and construction method thereof
ActiveCN102071754BInsulation hasInsulation decoration fireproofCovering/liningsHeat proofingFlame propagationRefractory
Owner:江苏建科土木工程技术有限公司
Blending type room-temperature asphalt liquefier
InactiveCN101851427AIncrease profitImprove the construction environmentIn situ pavingsBuilding insulationsEmulsionRoom temperature
The invention relates to a blending type room-temperature asphalt liquefier, which comprises the following components by weight percent: 5-12 percent of liquid modifier, 3-9 percent of cation surfactant, 2-5 percent of stabilizing agent and 20-30 percent of water. A preparation method of the blending type room-temperature asphalt liquefier comprises the following steps of: mixing water and the cation surfactant according to the proportion, sufficiently mixing by an emulsion machine to form soap lye, and heating to 55-70 DEG C, uniformly mixing the liquid modifier and the stabilizing agent according to the proportion to form a homogeneous body, and heating to 55-70 DEG C; quickly mixing the soap lye and the homogeneous body in a melt-mixing device, grinding to form even and stable jelly, and preserving in a sealing mode or an intermittence stirring mode. The liquefier can be simply mixed with asphalt to produce cold blending asphalt suitable for preparing cold blending mixing materials. The invention is used for paving an asphalt and concrete road surface.
Owner:安徽三缔沥青材料有限公司
Novel L-shaped square steel formwork support, adjustable column hoop and construction method
InactiveCN110173111AImprove versatilityImprove general performanceForms/shuttering/falseworksAuxillary members of forms/shuttering/falseworksShear wall
The invention relates to shear wall and structure column formwork supports, in particular to a novel L-shaped square steel formwork support, an adjustable column hoop and a construction method. The novel L-shaped square steel formwork support is provided with a first square steel and a second square steel which are perpendicular. One end of the first square steel is connected with one end of the second square steel to form an L shape. Meanwhile, the novel L-shaped square steel formwork support is provided with a third square steel parallel to the second square steel. One end of the third square steel is arranged on the first square steel. The second square steel and the third square steel are arranged on the same side of the first square steel. A gap is formed between the second square steel and the third square steel of the L-shaped square steel formwork support and matched with through-wall screw rods. The novel L-shaped square steel formwork support can be used for replacing main rib components of traditional shear walls and structure columns and can be universal for all parts of structure columns, shear walls and cavity internal and external corners. The uniformity of the supports is improved.
Owner:CHINA RAILWAY NO 2 ENG GRP CO LTD +1
beam frame for building construction
ActiveCN110607752BHeight adjustableWon't shakeLifting framesBridge structural detailsArchitectural engineeringPulley
The invention proposes a beam frame for building construction, which relates to the technical field of building construction and includes a support column, a support frame and a working platform arranged on the support frame. The support column is provided with a first through hole along the vertical direction, and the adjacent support The upper end of the column is connected by a beam, the beam is provided with a winch, the support frame is provided with a sleeve, the sleeve is set on the outside of the support column and is provided with a second through hole, and the winch lifts the support frame so that the second through hole is connected with the first through hole Correspondingly, the bolts pass through the second through hole and the first through hole to connect the support frame and the support column. The support frame includes two I-shaped guide rails. The C-shaped groove, the notch position of the C-shaped groove is connected with a pulley, and the driving device is arranged on the working platform, which can drive the transmission chain to drive the pulley to move along the I-shaped guide rail, so as to solve the problem that the beam frame in the prior art cannot The problem of flexibly adjusting the height and position of the workbench according to the needs of the construction site.
Owner:中建七局第一建筑有限公司
High-pressure bin type perfusion system
A high-pressure bin type perfusion system includes a high-pressure bin body having the outer side face of the upper part with a thread, an annular groove body mounted on the inner side face of the upper part of the high-pressure bin body, an O-shaped rubber sealing ring mounted in the annular groove body, a cover body located at the upper part of the high-pressure bin body, a retaining ring mounted at the outer side face of the cover body, an O-shaped rubber sealing ring embedding press ring mounted on the inner side face of the lower part of the cover body, a connection body for pressing against the retaining ring and provided with an inner thread, a plurality of horizontal rotating handles mounted at the outer side of the connection body, a high-pressure gas inlet pipeline mounted at the upper part of the cover body, a high-viscosity adhesive material output pipeline mounted on the cover body and extending into a high-viscosity adhesive material container, and the high-viscosity adhesive material container put on the bottom of the high-pressure bin body. The high-pressure bin type perfusion system has the advantages of compact structure, convenience in construction, high utilization rate of a seam pouring adhesive, energy saving, environmental protection, high labor efficiency, good quality of poured seams, convenience in spraying and no clogging of pipelines, and can be widely appplied for high-viscosity adhesive material pouring of road surface seams.
Owner:QINGDAO RUNBANG CHEM BUILDING MATERIAL
Pumpable tough concrete and application thereof in bridge deck continuous slab structure
Belonging to the technical field of inorganic non-metals, the invention provides a pumpable tough concrete and application thereof in a bridge deck continuous slab structure. The pumpable tough concrete includes the following components by weight: 40.2-57.6 parts of cement, 4.0-5.8 parts of ceramic powder, 0.6-1.2 parts of an inorganic nanomaterial, 12.3-20.5 parts of composite fiber, 0.5-0.9 partof a water reducer, 0.4-0.6 part of an inorganic salt, 2.6-3.4 parts of silica fume, 13.4-28.8 parts of fly ash, 56.0-72.5 parts of pebbles, and 77.0-87.0 parts of medium sand. The concrete providedby the invention has high toughness, good fluidity during pouring construction and strong temperature variation resistance, and can withstand bending, stretching and torsional deformation caused by bridge temperature stress, vehicle horizontal braking load, bridge bending deformation and other factors, and has no damage after long-term use.
Owner:ZHEJIANG UNIV
Hanging plate type earthquake reduction envelope structure of frame type structure building
InactiveCN104612292AImprove seismic performanceReduce pollutionWallsShock proofingFoam concreteEarthquake resistance
The invention relates to a frame structure building, in particular to a hanging plate type earthquake reduction envelope structure of a frame type structure building and belongs to the technical field of earthquake prevention and disaster mitigation. In order to overcome the defect that the earthquake resistance performance of a traditional masonry or base plate type envelope structure is not well utilized, and the traditional masonry or base plate type envelope structure becomes a burden of a body structure under the earthquake action, the design conception of adopting the prefabricated hanging plate envelope structure is provided, the prefabricated hanging plate type envelope structure is hung on the lower portion of a beam above the envelope structure through connecting hanging parts, and the hanging plate type envelope structure and the body structure are fixed by the adoption of protection connection structures so that normal using functions of the envelope structure can be guaranteed. Under the frequent earthquake action, the hanging plate type envelope structure and the body structure are kept complete relatively. Under the strong earthquake action, foam concrete around is broken, the hanging plate type envelope structure hung on the beam swings under the earthquake action, in this way, the earthquake period of the structure is changed, energy, input into the structure, of an earthquake is consumed, then the purpose of reducing the earthquake response of the body structure is achieved, and the overall earthquake resistance performance of the structure is improved.
Owner:BEIJING URBAN CONSTR YATAI GRP +1
Waterborne fluorocarbon metal paint capable of being used for roller coating construction and preparation method thereof
The invention relates to the field of exterior wall coating and decorative coating, and particularly relates to waterborne fluorocarbon metal paint capable of being used for roller coating construction and a preparation method of the waterborne fluorocarbon metal paint capable of being used for the roller coating construction. The waterborne fluorocarbon metal paint capable of being used for the roller coating construction is composed of the following components by weight: 25-35 parts of early stage water, 0.2-0.8 part of anticorrosion and antiseptic agent, 0.2-0.8 part of wetting dispersant, 0.01-0.5 part of potential of hydrogen (pH) conditioning agent, 0.01-0.5 part of defoamer, 10-15 parts of aluminite powder, 2-5 parts of coalescing agent, 1-4 parts of antifreezing agent, 40-50 parts of waterborne fluorocarbon emulsion, 0.8-2 parts of thickening agent, 0.01-0.5 part of functional additives, and 5-10 parts of later stage water. A special preparation process is utilized to overcome shortcomings of the prior construction technology, the process of air spray is omitted in the process of coating, construction energy consumption is saved, noises caused to the environment is reduced, environmental air pollution caused by unnecessary coating air spray is avoided, construction difficulty is reduced for construction, and all workers capable of waterborne roller coating construction meet the requirements for construction operation.
Owner:SKSHU PAINT
Interlocked insulating decorating wall panel and mounting and construction method thereof
PendingCN107965108ASimple structureEasy to manufactureCovering/liningsInsulation layerHeat conservation
The invention discloses an interlocked insulating decorating wall panel and a mounting and construction method thereof. The interlocked insulating decorating wall panel comprises a heat insulating material, a special-shaped panel, a heat insulating film, a vertical side hole, a horizontal side hole, a moisture-proof steam insulating film, a filling insulating material and a filleting material, wherein the heat insulating material used as an insulating layer is inlaid in a U-shaped groove of the special-shaped panel formed by extrusion; the outer side of the insulating layer is adhered to the U-shaped groove by the heat insulating film; and the efficient heat insulating material, the special-shaped panel and the heat insulating film are combined to form the insulating decorating wall panel.The interlocked insulating decorating wall panel has the characteristics of reasonable structure, low thickness, light weight, high safety, repeatability, recyclability and the like, can be producedindustrially, can be assembled rapidly, has multiple functions of insulating, heat insulation, decoration and the like, and can be widely applied to exterior wall insulating engineering of industrialand civil buildings; properties of insulating, heat insulation and the like of an external envelope structure of a building are greatly improved; and the interlocked insulating decorating wall panel is particularly suitable for energy-saving modification of exterior walls of existing buildings.
Owner:JIANGSU RES INST OF BUILDING SCI +1
Roadbed structure based on polyurethane cured waste slurry material
ActiveCN113006103APrevent collapseAvoid displacementRoadwaysClimate change adaptationStructural engineeringRoad surface
The invention relates to a roadbed structure based on a polyurethane cured waste slurry material. The roadbed structure comprises a roadbed, wherein an upper embankment, a lower embankment and a foundation are sequentially arranged below the roadbed from top to bottom; slate plates are symmetrically arranged on the two sides of the roadbed, the slate plates penetrate through the upper embankment and the lower embankment in the vertical direction correspondingly, and the bottom ends of the slate plates are embedded in the foundation; and inclined plates are symmetrically arranged on two sides of the upper embankment, connecting plates are arranged between the inclined plates, and the roadbed, the upper embankment and the lower embankment are formed by pouring the polyurethane cured waste slurry material. According to the roadbed structure based on the polyurethane cured waste slurry material, the two sides of the roadbed can be prevented from collapsing and shifting outwards in the use process of the roadbed, so that the firmness of the roadbed is improved, the service life of the roadbed is prolonged, and the safety performance of a road surface is improved; and meanwhile, the roadbed structure can be constructed by utilizing the construction waste, so that the use of soil resources is reduced.
Owner:浙江华恒交通建设监理有限公司 +2
Water-gas separation vacuum pre-pressing method and device
InactiveCN103541345BWater vapor separation is effectiveImprove vacuuming effectSoil preservationWater flowEnvironmental engineering
Water-air separation vacuum preloading method and device, install water-air separation pipeline, water-air separation tank, vacuum device and pumping device outside the vacuum sealing membrane, so that the water and air extracted from the soil in the soft foundation treatment area The water and gas separation is carried out in the gas separation pipeline, and the upper part of the water and gas separation pipeline becomes the transmission channel of vacuum negative pressure and air, so that the water flows into the water and gas separation tank along the lower part of the water and gas separation pipeline, and is pumped by the vacuum device respectively. Vacuum and pumping device pumps water. A three-piece connection device for a plastic drainage board and a water-gas separation pipeline that implements the vacuum preloading method for water-gas separation, including a plastic drain board joint, a connecting pipe, and a multi-way joint with different diameters, a compartment-type water-gas separation tank An upper sealing chamber and a lower sealing chamber are provided, and a gravity drainage water-gas separation tank includes a tubular tank body and a drill bit, and a submersible pump is installed at the lower end of the tank body. The invention has the beneficial effects of reducing the vacuum preloading construction cost, improving the construction quality and shortening the construction period.
Owner:GUANGZHOU SHENGZHOU FOUND ENG
A combined ultra-thin long-life pavement structure and construction method thereof
ActiveCN112832086BImprove carrying capacityGuaranteed carrying capacityIn situ pavingsArchitectural engineeringStructural engineering
Owner:SHANDONG TRAFFIC PLANNING DESIGN INST
Shield receiving end reinforcing structure, reinforcing method and shield receiving method
ActiveCN111677518AAvoid reinforcementReduce workloadTunnelsArchitectural engineeringStructural engineering
The invention discloses a shield receiving end reinforcing structure, a reinforcing method and a shield receiving method, and belongs to the technical field of shield construction. The shield receiving end reinforcing structure is arranged in a soil body behind an enclosure structure, one surface of the reinforcing structure is connected with the enclosure structure, and the reinforcing structureis a steel component which is vertically driven into the soil body. The reinforcing structure plays a role in reinforcing the soil body, large-volume soil body reinforcement is avoided, consumables and manpower are saved, the workload of construction workers is reduced, and energy consumption and construction cost are reduced. The pull-out component can be repeatedly used, so that the constructioncost is further reduced. According to the shield receiving end reinforcing structure, the reinforcing method and the shield receiving method, the end soil body has no need being integrally reinforced, so that the construction energy consumption is reduced, and the construction cost is saved; and during shield receiving, a shield tunneling machine penetrates through a cavity formed after the component is pulled out, and the low-strength soil body which is not grouted and reinforced is directly cut, so that abnormal abrasion of the shield tunneling machine is avoided, and shied body twisting isprevented.
Owner:BCEG CIVIL ENG
Down-the-hole oil pressure rotating device with oil distribution structure
ActiveCN102434092BOptimize layoutPrevent drilling effectsConstructionsRotary drillingThermodynamicsThrust bearing
The invention provides a down-the-hole oil pressure rotating device with an oil distribution structure. The down-the-hole oil pressure rotating device comprises a hollow mandrel which is provided with a thread at the upper end part, a through hole motor which is sleeved at a pre-set position of the hollow mandrel, a transition joint which is arranged on the upper end face of the through hole motor, a motor output shaft which is arranged at the lower end part of the through hole motor, a fixed disc of an oil distribution disc, a movable disc of the oil distribution disc, a spare fastening nut matching with the thread at the upper end part of the hollow mandrel, a thrust bearing which is arranged on the lower end face of the spare fastening nut and a sealing sleeve. According to the structure, the rotating device is arranged inside a hole when drilling so that the pipeline arrangement required in the construction which is realized by matching the rotating device with an air down-the-hole hammer or an oil pressure impactor is simple, thereby reducing energy consumption of the construction. Meanwhile, the down-the-hole oil pressure rotating device provided by the invention can prevent the influence on drilling, which is caused by that a water pipe is wound on a drilling rod due to incorrect use when a water tap cooperates with a drill in drilling. Furthermore, the drilling rod which is mounted at the upper part of the rotating device cannot be rotated so as to further reduce the energy consumption of the construction.
Owner:MCC COMM CONSTR GRP CO LTD
Composite functional infrared reflective engineering machinery powder coating and its production process
ActiveCN104140746BAvoid scorchingSave electricityAnti-corrosive paintsPowdery paintsEpoxyWeather resistance
The invention discloses a composite type functional infrared reflection engineering machine powder coating and a production technology of the composite type functional infrared reflection engineering machine powder coating. The composite type functional infrared reflection engineering machine powder coating comprises, by mass, 2-8 parts of polyester / acrylic resin compounds, 30-50 parts of polyester resin, 10-20 parts of epoxy modified acrylic resin, 15-35 parts of infrared reflection paint, 1-5 parts of cross-linking agents, 8-18 parts of filler and 1-2.5 parts of addition agents. A supercritical carbon dioxide fluid method is adopted in the production technology. The composite type functional infrared reflection engineering machine powder coating has the advantages of preventing corrosion and rust and being superior in weather resistance, the production technology is small in energy consumption and high in efficiency, and the production and machining temperature is decreased.
Owner:ZHANG ZHOU SAN PAINTS
Weather-proof long-life waterproof anti-corrosion flame-retardant integrated coating and preparation method thereof
InactiveCN111205704AThe solution is not self-healingSolve flame retardancyFireproof paintsConjugated diene hydrocarbon coatingsElastomerUltraviolet lights
The invention belongs to the technical field of waterproof anticorrosive coating, and in particular, relates to a weather-proof long-service-life waterproof anti-corrosion flame-retardant integrated coating comprising, by the weight percentage, 20-50% of regenerated dehydrated bio-oil, 5-20% of coal ash, 10-40% of an elastomer, 5-28% of tackifying resin, 2-8% of a wetting agent, 0.5-5% of a modifier, 3-10% of a flame retardant, 0.5-2% of an ultraviolet light absorber, 0.5-2% of an antioxidant and 2-10% of zinc oxide. The invention further discloses a preparation method of the weather-resistantlong-service-life waterproof anti-corrosion flame-retardant integrated coating. The weather-resistant long-service-life waterproof anti-corrosion flame-retardant integrated coating disclosed by the invention has the advantages of ultraviolet resistance, aging resistance, acid, alkali and salt corrosion resistance, flame retardance, strong base layer adhesive force, good low-temperature cohesiveness, good creep self-healing property, low construction energy consumption, safety and environmental protection.
Owner:金华一方金雨伞防水科技有限公司
Prefabricated building formwork system and wall modules
ActiveCN109057318BReduce the weight of the structureReduce weightForms/shuttering/falseworksFloor slabArchitectural engineering
Owner:SHAOGUAN COLLEGE
Construction equipment for water-stop curtain
PendingCN110130381ARealize continuous constructionPrevent water leakageSoil-shifting machines/dredgersFoundation engineeringControl systemArchitectural engineering
The invention provides construction equipment for a water-stop curtain. The construction equipment comprises a mounting platform, a control system, a grouting device, a grooving device and a steppingrail; the grooving device, the grouting device and the control system are all mounted on the mounting platform, the control system controls working of the grooving device and the grouting device, andthe stepping rail is detachably mounted below the mounting platform; the grooving device comprises a power device and a chain saw, and the power device drives the chain saw to cut rock soil to form awater-stop curtain groove; the grouting device comprises a grouting pump, a slurry container and a grouting pipeline; and the grouting pump injects slurry stored in the slurry container into the water-stop curtain groove through the grouting pipeline to be mixed with debris of the sawn rock soil, and after solidifying, the water-stop curtain is formed. The construction equipment for the water-stopcurtain has the charactristicss of being concise in structure, complete in function, high in construction efficiency and low in production cost.
Owner:王权民 +1
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