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54results about How to "Applicable construction" patented technology
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Water curing asphalt polyurethane composite waterproof coating and preparation method thereof
ActiveCN102775900AEnvironmentally friendlySimple manufacturing processPolyurea/polyurethane coatingsMoisture resistancePetroleum
A water curing asphalt polyurethane composite waterproof coating mainly comprises a component A and a component B. In terms of mass part, the component A consists of 60-85 parts of polyether polyol, 10-25 parts of isocyanate and 2-10 parts of plasticizer; and the component B consists of 40-70 parts of petroleum asphalt, 5-20 parts of compatilizer, 6-25 parts of plasticizer, 0.5-4 parts of stabilizer, 1-12 parts of water, 25-55 parts of filler, 8-20 parts of calcium hydroxide, 0.1-2 parts of catalyst and the like. When the water curing asphalt polyurethane composite waterproof coating is in use, the component A and the component B are uniformly mixed and the mixture is directly smeared on a waterproof datum plane of a building and is cured to form a waterproof film with the advantages of high strength, high elasticity and favorable low-temperature flexibility. The water curing asphalt polyurethane composite waterproof coating disclosed by the invention is simple in production process, low in cost and free from of tar or any organic solvent, meets the requirement of environment friendliness, is suitable for water resistance, seepage resistance and moisture resistance of construction engineering such as roofs, basements, bridges, tunnels and culverts and is especially suitable for waterproof engineering of damp datum planes.
Owner:HUBEI ENG UNIV
Preparation method of lightweight composite wallboard
InactiveCN102888943AWith adjustable performanceRealize gapless compoundingConstruction materialMouldsFiberSurface layer
The invention provides a preparation method of a lightweight composite wallboard and belongs to the technical field of lightweight composite wallboard manufacturing. The method comprises the following steps: assembling a flat slab for flat-die roller forming and a combined type baffle into a set of forming mould, wherein a wallboard body with tenons and notch shapes at the two sides can be formed by the set of forming mould; when the forming mould moves along the preparation flow line, finishing a series of operations for forming the wallboard body, such as placing a bottom layer cement fiber face plate, paving and rolling a bottom layer light aggregate concrete layer, placing a reinforcement rib net, paving and rolling an upper layer light aggregate concrete layer, paving a surface layer mortar layer, paving glass gridding cloth, rolling a surface mortar layer, paving a plastic film, and preparing the lightweight composite wallboard after the wallboard body with the forming mould gets down a flow line delivering platform. The lightweight composite wallboard prepared by the preparation method has ideal overall mechanical strength, and is particularly suitable to be used for constructing insulation and sound-proof walls of housing industrialized buildings.
Owner:MAANSHAN MCC17 ENG TECH CO LTD +1
No-fines recycled-aggregate pervious concrete for district roads and preparation method
ActiveCN103964782AMitigate the heat island effectApplicable retrofitSolid waste managementClimate change adaptationPorosityLoss rate
The invention discloses no-fines recycled-aggregate pervious concrete for district roads and a preparation method and belongs to the field of pervious concrete. The no-fines recycled-aggregate pervious concrete is prepared from the components as follows: 1450-1600 kg / m<3> of recycled building concrete aggregate, 300-450 kg / m<3> of cement, 78-117 kg / m<3> of composite mineral admixture, 3.8-5.6 kg / m<3> of an additive and 105-145 kg / m<3> of water. The water permeability of the prepared pervious concrete is not less than 5 mm / s, the continuous porosity is not less than 10 percent, the compressive strength is not less than 20 MPa, the rupture strength is not less than 2.5 MPa, and the mass loss rate after 25 times of freezing and thawing cycles is at most 5 percent. The recycled aggregate with the concrete structure is utilized, the pervious concrete can improve environment, and the both are combined so as to change waste into wealth, conserve energy, reduce emission, reduce impounded surface water in a rainy day, supplement ground water, and reduce the urban heat island effect. The preparation method is simple, efficient, green and environment-friendly and suitable for reconstructing and constructing of roads in urban residential districts.
Owner:JIANGSU VOCATIONAL INST OF ARCHITECTURAL TECH
Modular cast-in-place construction method for large-diameter root foundation
InactiveCN102359110ACombined structure is light in weightSolve transportation difficultiesBulkheads/pilesFiberRebar
The invention discloses a modular cast-in-place construction method for a large-diameter root foundation, which is characterized by comprises the following steps of: firstly, constructing a pile formation hole at the position of a set root foundation by a drilling machine; sectionally manufacturing each section of FRP (Fiber Reinforce Plastic) combination structure, sequentially placing each section of FRP combination structure into the pile formation hole, welding adjacent sections of FRP combination structures by reinforcing bars or connecting adjacent sections of FRP combination structures by direct screw thread sleeves, winding FRP on the peripheries of the junctions to form a hollow pile cylinder, forming a pile cylinder concrete inner wall in the hollow pile cylinder, and pouring pile cylinder bottom plate concrete to carry out bottom sealing so as to form a ring-shaped cylinder with the sealed bottom; ejecting a root key into each root key steel bushing; and finally pouring lining concrete on the periphery of the pile cylinder concrete inner wall and pouring a top cover after the strength of the lining concrete is met so as to form a foundation platform. Due to the adoption of the modular cast-in-place construction method for the large-diameter root foundation, the construction can be effectively and conveniently carried out and the construction efficiency is improved.
Owner:ANHUI TRANSPORTATION HLDG GRP CO LTD
Elastic wave vibration isolator with adjustable band gap based on liquid virtual masseffect and vibration isolation method
ActiveCN108757807AAchieve positioningSimple structureSpringsLiquid based dampersEngineeringVibration isolation
The invention discloses an elastic wave vibration isolator with an adjustable band gap based on the liquid virtual masseffect and a vibration isolation method. The elastic wave vibration isolator comprises uniaxial vibration isolation cylinders, a central fixed plate and a plurality of detachable buckles. The uniaxial vibration isolation cylinders are of a column structure formed by connecting a plurality of vibration isolation unit cells in sequence, and inner cavities of the vibration isolation unit cells are filled with internal filling fluid. The detachable buckles are distributed on the outer circumference of the central fixed plate in the circumferential direction of the central fixed plate, the detachable buckles are provided with guiding structures for limiting the uniaxial vibration isolation cylinders, the uniaxial vibration isolation cylinders are arranged in the guiding structures, the longitudinal direction of the uniaxial vibration isolation cylinders is perpendicular tothe plane in which the central fixed plate is located, and an input base for introducing vibration source signals and an output base connecting with a next level device are separately connected to thevibration isolation unit cells at both ends of each uniaxial vibration isolation cylinder. The elastic wave vibration isolator with the adjustable band gap based on the liquid virtual masseffect cansolve the problem that band gaps of vibration isolation devices are difficult to adjust and prepare at present.
Owner:XI AN JIAOTONG UNIV
Halogenless fire retarded polymer modified asphalt and preparation process thereof
InactiveCN1861689AImprove flame retardant performanceReduce healthBuilding insulationsHalogenPolymer modified
This invention relates to a type of halogen-free flame retardant polymeric compound and modified asphalt, and the method. The feature is it composed by 5-15portions halogen-free flame retardant agent, 2-7portions polymeric compound and 78-93portions asphalt stock, accounting weight. The method of halogen-free flame retardant polymeric compound and modified asphalt includes steps as follow: first add polymeric compound into fusing asphalt, keep 150-200deg.C, mix for 2-4hours at 1000-6000rpm; then add halogen-free composite flame retardant to fusing polymeric compound modified asphalt, keep the same rotation speed 0.5-1hour. This invention has good physical property and good flame retardant property, and no deleterious gas such as halogen hydride when burning.
Owner:WUHAN UNIV OF TECH
Low groove-type steel and concrete composite beam
PendingCN109537453AApplicable constructionBridge structural detailsBridge materialsBridge deckMaterials science
The invention provides a low groove-type steel and concrete composite beam. The composite beam comprises at least two T-shaped steel beams and a bridge deck slab arranged on the T-shaped steel beams and perpendicularly connected with webs of the T-shaped steel beams, wherein the steel wing edges of every two adjacent T-shaped steel beams are connected, the ends of the webs of the T-shaped steel beams are of tooth structures, and the tooth structures are located in the bridge deck slab.
Owner:CCCC HIGHWAY CONSULTANTS +1
Liquefied natural gas filling station BOG utilization system
InactiveCN103438354ASimple processSmall footprintPipeline systemsLiquefied natural gasSmall footprint
The invention provides a liquefied natural gas filling station BOG utilization system. A low-temperature emergency cut-off valve, a BOG carburetor, a low-temperature stop valve, a pressure reducing valve, a pressure gauge, a temperature gauge, a temperature transmitter and a natural gas compressor are sequentially connected with an inlet of a main pipeline, the low-temperature stop valve is in parallel connection with a recuperator, the pressure reducing valve is in parallel connection with a bypass stop valve, and the liquefied natural gas filling station BOG utilization system further comprises a combustible gas alarm apparatus. The liquefied natural gas filling station BOG utilization system has the advantages that after being heated, the BOG is pressurized into CNG, energy resources are saved, economic benefits are brought to a user, the device is small in occupied area and low in cost, and therefore large-scale popularization is facilitated.
Owner:TIANJIN ENERGY TECH OF GAS
Method for measuring vehicle speed by utilizing equidistant camera of vidicon
The invention discloses a method for measuring a vehicle speed by utilizing equidistant camera of a vidicon. A wide-angle vidicon vertical to the ground is installed at the position with a certain distance from the ground, and the vehicle driving speed is calculated by utilizing time for a vehicle to pass the road surface distance set by the wide-angle vidicon in the driving process. According to the method, the functions of measuring speed and retaining images are simultaneously achieved by just using one wide-angle vidicon, thereby saving a great quantity of construction cost. In addition, when the wide-angle vidicon fails, the vehicle speed can be immediately stopped to be measure at a speed measuring spot, thus avoiding erroneous judgement, and reducing the occurrence of traffic disputes.
Owner:BAODING VICTORY TRAFFIC FACILITIES ENG CO LTD
Distributed type alternating-current charging system
InactiveCN107680273AEasy maintenanceSingle functionCharging stationsPayment architectureCentralized managementAC - Alternating current
The invention discloses a distributed type alternating-current charging system. The system comprises a centralized controller used for acquiring charging information and payment information, a power distribution cabinet, charging piles and a cloud platform, wherein the charging information at least comprises user identity information, selected charging pile codes, the charging power and charging time; the charging information and the payment information are sent to the cloud platform; after a charging permission instruction sent by the cloud platform is acquired, a control instruction is sentto metering and billing modules in the power distribution cabinet according to the charging information; the power distribution cabinet comprises the metering and billing modules corresponding to thecharging piles one to one; the metering and billing modules are connected between an external power supply and the charging piles, the metering and billing modules receive control instructions sent bythe centralized controller and control the on-off state between the corresponding charging piles and the external power supply; the charging piles are used for charging when the external power supplyis connected; the cloud platform is used for sending the charging permission instruction after confirming the charging information and the payment information. The system is used for solving the problems of centralized configuration and centralized management.
Owner:北京科佳同创新能源科技有限公司
Honeycombed steel box concrete wallboard module, manufacturing method thereof and wall body
The invention relates to a honeycombed steel box concrete wallboard module, a manufacturing method for the honeycombed steel box concrete wallboard module and a wall body spliced and built by the honeycombed steel box concrete wallboard module and is suitable for building external walls for bearing water-earth pressure in the underground engineering and plate-shaped structure members in a pressure bending stress state in other buildings. The honeycombed steel box concrete wallboard module is of a honeycombed steel box concrete combination structure, can simultaneously bear the loads inside and outside a plane, is large in rigidity and strong in ability of bearing complex load, is not limited by the reinforcement ratio and the axial compression ratio of reinforced concrete members and can be used for members which bear heavy loads. Modular construction of wallboards of a basement is realized, the concrete wallboard modules can be freely combined into the wall body with different sizes according to different construction conditions and requirements, can be used for constructing the wall body with a rigid corner and is wide in application range. As being in factory production, the concrete wallboard module is high in quality and little in influence on the surrounding environment of a construction site. The wallboard modules can be rigidly connected with one another, so that a seam is simple, convenient and reliable, and the waterproof property is good.
Owner:陈静
Foamed asphalt generation spraying system
ActiveCN104532721AImprove the effect of regeneration constructionAvoid disadvantagesRoads maintainenceEngineeringAtmospheric pressure
The invention provides a foamed asphalt generation spraying system. The foamed asphalt generation spraying system comprises a hot asphalt spraying cavity, a foaming unit, a control unit and a heating unit. The two end faces of the hot asphalt spraying cavity are communicated with asphalt conveying systems respectively. The foaming unit comprises an asphalt foaming chamber, a hot asphalt spraying control air cylinder, an asphalt nozzle, a foamed asphalt spraying control oil cylinder, a foamed asphalt outlet, a foaming water conveying pipeline and a foaming air conveying pipeline. The hot asphalt spraying control air cylinder comprises a pneumatic control cavity, an air cylinder rod and an air cylinder rod sleeve. The air cylinder rod sleeve penetrates through the hot asphalt spraying cavity in an up-down through mode, and the asphalt nozzle is arranged on the lower end face of the air cylinder rod sleeve. The foamed asphalt spraying control oil cylinder comprises an oil pressure control cavity, an oil cylinder rod and an oil cylinder rod sleeve. The heating unit comprises conduction oil coils arranged in the hot asphalt spraying cavity. The foamed asphalt generation spraying system can effectively overcome the defects of hot asphalt and emulsified asphalt, and the foamed asphalt generation spraying system is equipment special for preparing foamed asphalt.
Owner:DAGANG HLDG GRP CO LTD
Ultraviolet-resistant polymer composite waterproof coating
InactiveCN108690429ANo adverse effects on healthImprove performanceFireproof paintsAnti-corrosive paintsUltravioletAmmonium metavanadate
The invention discloses an ultraviolet-resistant polymer composite waterproof coating. The ultraviolet-resistant polymer composite waterproof coating is prepared from the following components in partsby weight: 5 to 10 parts of ethylene glycol, 5 to 8 parts of amyl acetate, 5 to 15 parts of acrylic emulsion, 10 to 25 parts of polyurethane modified acrylate waterproof emulsion, 1 to 5 parts of organosilicone waterproof agent, 0.5 to 3 parts of silicon dioxide, 20 to 40 parts of pigment filler, 0 to 0.5 part of sterilizing preservative, 0 to 1 part of anti-aging agent, 0.2 to 0.8 part of dispersant, 0.4 to 1 part of defoaming agent, 0.5 to 2 parts of filming additive, 0.6 to 3 parts of hydroxyethyl cellulose, 0.3 to 1 part of ammonium metavanadate, and 10 to 30 parts of water. The ultraviolet-resistant polymer composite waterproof coating has the advantages that the elasticity is high, and the waterproof property is better; the poison and odor are avoided, and the safe and environment-friendly effects are realized; the water-resistant property, alkaline-resistant property and anti-ultraviolet ability are strong, the elongation rate at break and the tensile strength are higher, and the automatic repairing function is realized.
Owner:芜湖市星龙防水保温材料有限公司
Pear compact planting tree shape with high photosynthetic efficiency and shaping and pruning method
InactiveCN109496589ATake advantage ofImprove light energy utilizationHorticulture methodsLight energyBud
The invention provides a pear compact planting tree shape with high photosynthetic efficiency and a shaping and pruning method, relates to the technical field of fruit tree cultivation, and solves thetechnical problem of declining of tree crown daylighting rate due to high density planting. The device comprises two plant central trunks, the two plant central trunks extend in opposite directions and are fixed to form X-shaped double trunks, the transverse horizontal spacing between the two central trunks on the ground is 25-35 cm, and the distance between the adjacent X-shaped double trunks inthe same row is 0.8-1.2 m. The tree shape with high photosynthetic efficiency realizes shaping and pruning of X-shaped double-trunk plants by determining fixedly planting points, erecting and stretching lines, fixedly planting, cultivating strong central trunks, cutting buds to promote branching, rack loading, pruning and the like. The utilization rate of light energy of the tree body is improved, improvement of the fruit quality is facilitated, high-density cultivation can improve the efficiency of land use, the yield per mu is greatly increased, the problems of inadequate pesticide application, bagging and difficult fruit picking caused by too high tree body are solved, and the tree shape is especially suitable for construction of sightseeing picking gardens and picking needs.
Owner:FRUIT TREE INST OF CHINESE ACAD OF AGRI SCI
A Weldable Cast Steel with Large Wall Thickness
Owner:725TH RES INST OF CHINA SHIPBUILDING INDAL CORP
Benzyl benzoate waste mixed modified asphalt and preparation method thereof
ActiveCN107245245ASolve the problem of excessAlleviate supply shortagesBuilding insulationsBenzyl benzoatAlkylphenol
The invention relates to a benzyl benzoate waste mixed modified asphalt. The modified asphalt is prepared from the following raw materials by weight: 40-60 parts of petroleum asphalt, 20-40 parts of coal pitch, 40-80 parts of benzyl benzoate waste, 15-30 parts of ethylene glycol monomethyl ether, 10-15 parts of ethylene glycol, 2-5 parts of alkylphenol polyoxyethylene ether, 1-3 parts of aluminum isopropoxide, and 1-3 parts of zinc stannate. The method provided by the invention has the advantages that: 1. the process is simple, the equipment requirement is low, the method can realize large-scale production of modified asphalt, and the modified asphalt finished product can meet the requirements of national regulations and can be used for asphalt road pavement construction; 2. the method also can reduce the content of polycyclic aromatic hydrocarbon 3, 4-benzopyrene (Bap) in mixed asphalt; and 3. more importantly, benzyl benzoate waste is utilized to replace expensive raw materials to serve as the modifier.
Owner:HUBEI GREENHOME MATERIALS TECH INC
Asphalt-containing waterproof mortar and preparation method
InactiveCN108727985ANo adverse effects on healthImprove performanceFireproof paintsPolyurea/polyurethane coatingsBituminous waterproofingPolyethylene glycol
The invention discloses asphalt-containing waterproof mortar and a preparation method. The asphalt-containing waterproof mortar comprises the following components in parts by weight: 5-15 parts of anacrylic emulsion, 30 parts of asphalt, 10-25 parts of a polyurethane modified acrylate waterproof emulsion, 1-5 parts of an organosilicone waterproofing agent, 0.5-3 parts of silicon dioxide, 20-40 parts of a pigment and filler, 0-0.5 part of a bactericidal preservative, 0-1 part of an anti-aging agent, 0.2-0.8 part of a dispersing agent, 0.4-1 part of polyethylene glycol, 0.5-2 parts of a film-forming aid, 0.6-3 parts of hydroxyethyl cellulose, 0.3-1 part of ammonium metavanadate and 10-30 parts of water. The asphalt-containing waterproof mortar has excellent high elasticity and excellent waterproof performance; a product is non-toxic, tasteless, safe and environmentally friendly; a coating film is strong in water resistance, alkali resistance and ultraviolet resistance and has relativelyhigh elongation at break, relatively high tensile strength and a relatively high automatic repairing function.
Owner:芜湖市星龙防水保温材料有限公司
Sliding type retaining device and retaining method for construction cradles
ActiveCN106836015AGood effectStable structureBridge erection/assemblyPre embeddingBuilding construction
Owner:GUIZHOU ROAD & BRIDGE GRP
Underground space expansion anchor rod pile positioner
The invention discloses an underground space expansion anchor rod pile positioner. The underground space expansion anchor rod pile positioner comprises a steel plate, a positioning hole, a positioning bolt and positioning nuts; the steel plate, the positioning hole, the positioning bolt and the positioning nuts interact to precisely position an anchor rod pile sleeve; the steel plate is fixed on an operation platform in an orifice position of an anchor rod pile hole; the steel plate is opened to form the positioning hole; multiple positioning nuts are uniformly distributed at the outer periphery of the positioning hole in the steel plate in the annular direction; and the positioning nuts are connected with the steel plate through welding. The underground space expansion anchor rod pile positioner adopts the positioning bolt to precisely position the anchor rod pile sleeve, and is suitable for construction of underground space expansion anchor rod piles.
Owner:CHINA RAILWAY 18TH BUREAU GRP CO LTD +1
Solar street lamp with garbage can
InactiveCN105782873AEasy to implementLow costElectric circuit arrangementsLighting elementsSolar street lightEngineering
The invention provides a solar street lamp with a garbage can. The solar street lamp comprises an illuminating device, a solar panel, a street lamp pole and the garbage can, wherein the garbage can comprises an indicator lamp and a detector, which are fixedly arranged on the outer part of the garbage can; the illuminating device and the solar panel are fixedly arranged at left and right sides of the top of the street lamp pole; and the bottom of the street lamp pole is fixedly provided with the garbage can, and is connected to the garbage can through a wire circuit. The solar street lamp has the advantages and the positive effects that: the solar street lamp is easy to realize, is low in cost, saves the resources and protects the environment, and is especially suitable for urban construction.
Owner:天津申宗科技有限公司
LED handheld illuminating device
InactiveCN105953110AReasonable cooling structureImprove cooling effectPlanar light sourcesPortable electric lightingEngineeringLight head
The invention discloses an LED handheld illuminating device. The LED handheld illuminating device comprises an LED light source, a lamp cover, a shell, a lamp cap and a rear cover; the rear cover is arranged at the lower end of the shell, and the lamp cover is connected to the front end; the lamp cap is arranged at the front end of the lamp cover; a power supply bin is arranged at the lower end part in the shell; a magnet and a spring electrode are arranged between the power supply bin and the rear cover; a switch is arranged at the front end of the power supply bin, and is fixed on the shell through a switch fixing piece; an LED lamp strip is arranged in the lamp cover; the two ends of the LED lamp strip are fixed in the lamp cover through fixing pieces; the lamp cover and the lamp cap are connected through a radiator; the LED light source is arranged on the radiator; and a lens is arranged on the LED light source. The LED handheld illuminating device is reasonable in design and compact in structure, is provided with multiple light sources, can irradiate at multiple angles at the same time, can select the light sources according to the need, and is suitable for construction or operation illumination.
Owner:合肥鑫烁科技有限公司
Frog lifting tool
The invention relates to a frog lifting tool applied to the field of railway construction devices. Subsidiary lifting beams are arranged at the lower sides of two main lifting beams of the frog lifting tool. Two hoisting assemblies are symmetrically arranged on sliding rods arranged inside each subsidiary lifting beam. Each hoisting assembly comprises a sliding sleeve. Each sliding sleeve is connected to two parallel connecting plates. A sliding portion is arranged at the lower end of each connecting plate. Each sliding portion is arranged in a longitudinal sliding groove in a sliding manner,wherein each longitudinal sliding groove is formed in a lower support frame. A clamping head is hinged to the lower side of each lower support frame. The clamping heads of the hoisting assemblies arearranged in a face-to-face manner, so that a clamping opening for clamping a frog is formed. A stroke shutter is further arranged between every two connecting plates. An adjustment threaded rod is arranged inside each subsidiary lifting beam in a manner that each adjustment threaded rod is parallel with the corresponding sliding rod. A nut is arranged on each adjustment threaded rod in an engagedmanner. Each nut is connected with the corresponding connecting plate. In the working process, when the main lifting beams are pulled up and laid down once, the stroke shutters act once, and thereforethe clamping heads can switch between the locked state and the released state; hoisting and laying-down of the frogs are completed automatically; and the frog lifting tool is applicable to railway construction.
Owner:扬州市神力吊具制造有限公司
Construction method for adjustable arc-shaped beam cylindrical node assembling clamp
ActiveCN103216094AImprove operational skillsSimple construction processBuilding material handlingShaped beamHeight difference
The invention relates to an adjustable arc-shaped beam cylindrical node assembling clamp and a construction method thereof. The arc-shaped clamp is formed by superposing halves of two steel plates which are 4mm thick and 100mm wide; a superposed part can adjust the width of the beam section at a beam cylindrical node and is fixed by a screw with the diameter of phi 12; one side of a steel plate which is 200mm wide is fixed on a node template, and the other side of the steel plate is fixed by an opposite-pull screw; two sides of a beam are symmetrically arranged; holes are formed in the steel plate which is 200mm wide along the length direction; two rows of large holes in the outer side are formed in a 45-degree angle manner and at intervals of 50mm; a row of small holes in the inner side are arranged at intervals of 100mm; the large holes in the outer side are formed by that a beam bottom and the node which have a height difference along the height direction of the beam are connected with each other; and the clamp can randomly adjust the intervals from the large holes in the outer side.
Owner:INNER MONGOLIA XINGTAI CONSTRAL GRP CO LTD
Anchorage design and construction method
ActiveCN113123233AApplicable designApplicable constructionSuspension bridgeBridge structural detailsArchitectural engineeringStructural engineering
The invention discloses an anchorage design and construction method which is characterized in that an original permanent structure pile foundation of a bridge is utilized for design, pile foundations are additionally arranged at anchorage positions at the two sides of the bridge, then concrete bearing platforms are poured at the tops of the newly-added structure pile foundations and the permanent structure pile foundations, the pile foundations are embedded into the bearing platforms, the front bearing platform and the rear bearing platform are connected through a straining beam, a main cable passes through the anchorage through the embedded conduit by using the temporary zipper and is anchored on the rear anchor surface, and the anchorage is used for resisting the pulling force of the main cable. The anchorage is arranged in the mode that the permanent and temporary combined pile group foundation and the bearing platform are combined, a conventional gravity type anchorage is replaced, stress is clear, construction is convenient, the manufacturing cost is low, and development of the bridge industry can be promoted.
Owner:CHINA COMM 2ND NAVIGATIONAL BUREAU 2ND ENG +1
Sinking type air shaft used for underground space building
InactiveCN106988774ANot easy to get inSmooth and safe walkingMining devicesTunnel/mines ventillationRoad surfaceEngineering
The invention provides a sinking type air shaft used for an underground space building. The top surface of the sinking type air shaft is a section of the outdoor road surface, and other parts of the outdoor road surface are all sunk into the ground. In the sinking type air shaft used for the underground space building, the position below the top surface is fixedly connected with the top surface to form four side wall plates of an air shaft upper ventilating cavity, roadside drainage ditches covered with water perforated strainers and parallel to the positions above a road are formed in the outer sides of two side wall plates parallel to the road, and air guiding windows communicating with the roadside drainage ditches and the upper ventilating cavity are formed in the upper portions of the two side wall plates; and the lower portion of the upper ventilating cavity finally communicates with an air and smoke discharging draught fan in the underground space building. The sinking type air shaft used for the underground space building has the advantages that the number of times of maintenance is extremely few, and walking is smooth and safe when pedestrians walk on the air shaft, and driving is smooth and safe when vehicles are driven on the air shaft. The sinking type air shaft is applicable to building of sinking type air shafts of various underground buildings which need ventilating such as underground stores and underground warehouses.
Owner:CHONGQING REAL ESTATE COLLEGE
Portable board house easy to assemble and disassemble
InactiveCN107905376AQuick disassemblyEasy to assemble and disassembleBuilding constructionsEngineeringShort terms
The invention discloses a portable board house easy to assemble and disassemble, and relates to the technical field of portable board house construction. The portable board house easy to assemble anddisassemble includes a vertical column arranged on a base. The vertical column is provided with a positioning hole, a transverse inserting hole and a longitudinal inserting hole. The vertical column is provided with a square column body with a positioning hole. One side surface of the square column body is connected with a first vice plate with a transverse inserting hole. The first vice plate isprovided with an extending part stretching out of the square column body. A second vice plate is connected with the tail part of the other side surface, adjacent to the extending part of the square column body, of the square column body.. The longitudinal inserting hole is formed in the separation distance between the second vice plate and the first vice plate extending part. Compared with the prior art, the portable board house easy to assemble and disassemble can be used repeatedly, and is suitable for construction of a short-term temporary activity place.
Owner:柳州市雅泰活动板房厂
Composite material with plant nourishing effect and its prepn.
InactiveCN1178570CNo pollutionMeet environmental protection requirementsCultivating equipmentsReceptacle cultivationCalcium hydroxidePlant nutrition
The present invention relates to a composite material with plane nutrient action and structure strength and its technological process. Said composite material comprises 40-60% of peat, 10-30% of solidifying agent, 10-30% of adsorbing agent, 5-10% of nutrient additive and 0-1% of other additive. The composite material can be press-formed in the field, the seeds can be filled and then the formed composite material with seeds can be laid for use of can be stored for stand-by. Said composite material can be made into slurry material, and applied on the surface of various mouldings, then the seeds can be filled into the surface to make stereoscopic greening. Said ivnention possesses extensive application.
Owner:TONGJI UNIV
A kind of unsaturated fluorocarbon compound and its preparation method and application
ActiveCN109534992BExcellent dielectric propertiesLow dielectric constantOrganic compound preparationCarboxylic acid esters preparationPolymer scienceFluorocarbon
The present invention provides an unsaturated fluorocarbon compound and its preparation method and application. The polymer material prepared by the unsaturated fluorocarbon compound has excellent dielectric properties and mechanical properties, and the preparation process is simple and the raw material price is low, which can effectively reduce investment and cost.
Owner:GUANGDONG GUANGSHAN NEW MATERIALS CO LTD
10 kV Flame-retardant all-insulated multi-branch intermediate-break fiber splicing closure
PendingCN107976757AAchieve installationImprove flame retardant performanceFibre mechanical structuresFiberMechanical engineering
The invention discloses a 10 kV flame-retardant all-insulated multi-branch intermediate-break fiber splicing closure, comprising a flame-retardant insulated splicing closure body that is at least provided with a fiber composite elevated conductor main inlet and a fixture and is at least provided with a fiber composite elevated conductor main outlet and a fixture, as well as two fiber composite elevated conductor branch inlets and fixtures. Fiber portions of a fiber composite elevated conductor main incoming line, a fiber composite elevated conductor main outgoing line and fiber composite elevated conductor incoming branches are spliced in the flame-retardant insulated splicing closure body, a power carrier portion of each fiber composite elevated conductor branch and that of the fiber composite elevator conductor main outgoing line are connected or disconnected outside the flame-retardant insulated splicing closure body through an intelligent control switch. One-in and multiple-out offiber composite elevator conductors is achieved via the flame-retardant all-insulated splicing box, and construction of 10 kV voltage multi-branch line construction is advocated precedently.
Owner:SHENZHEN SDG INFORMATION CO LTD
Unsaturated fluorocarbon, preparation method and application thereof
ActiveCN109534993AGood mechanical properties and heat resistanceExcellent mechanical properties and dielectric propertiesOrganic compound preparationCarboxylic acid esters preparationFluorocarbonCompounds of carbon
The invention provides an unsaturated fluorocarbon, a preparation method and application thereof. A material prepared from the unsaturated fluorocarbon has excellent dielectric and mechanical properties, also the preparation process is simple, the raw material price is low, the investment can be effectively reduced and the cost is lowered.
Owner:GUANGDONG GUANGSHAN NEW MATERIALS CO LTD
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