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30results about How to "Good water sealing" patented technology

Two-dimensional physical simulation testing system for deeply-buried tunnel water bursting hazard and testing method thereof

ActiveCN104535728AAccurate monitoring results of displacement field changesGood water sealingMaterial analysisPipingHigh intensity
The invention discloses a two-dimensional physical simulation testing system for deeply-buried tunnel water bursting hazard. The two-dimensional physical simulation testing system comprises a rigid testing box, a water pressure servo control system, a vertical loading system, pressure stress sensors and seepage pressure sensors. The rigid testing box is of the cubic structure with an opening arranged on the top. The frontal side surface of the rigid testing box is a high intensity glass plate. The high intensity glass plate is provided with a reserved tunnel portal. Rock-like materials are paved inside the rigid testing box, and a karst cave hollow cavity is arranged in a predetermined position. The pressure stress sensors and the seepage pressure sensors are arranged around the karst cave hollow cavity and a tunnel. The karst cave hollow cavity is communicated with the water pressure servo control system through a high pressure water pipe. A setting load value is loaded by the opening on the top of the rigid testing box through the vertical loading system. The two-dimensional physical simulation testing system has the advantages that the structure is simple, the rigidness is strong and water-sealing capability is good. The two-dimensional model testing system and the method of the two-dimensional model testing system enable a more direct observation on surrounding rock rupture evolvement characteristics during the tunnel water bursting process.
Owner:CHINA UNIV OF MINING & TECH

Enclosure for continuous wall foundation pit formed by steel cylinders or steel plate piles adopting seal grooves and occlusion structures and construction method of enclosure

The invention relates to an enclosure for a continuous wall foundation pit formed by steel cylinders or steel plate piles adopting seal grooves and occlusion structures. The steel cylinders or steel plate piles adopting the seal grooves are connected to form the continuous pile wall so as to form the foundation pit enclosure, according to the steel cylinders or steel plate piles with the seal grooves, at least one seal groove is formed at the connecting positions of steel plates or piles of steel cylinder piles, the cross section of each groove is in a convex arc shape, a concave shape or a polygon shape, a matched pipe is inlaid in each groove, the steel plates or steel cylinder piles and the pipes in the grooves are jointly and independently tampered into the stratum, pipe cavities in the grooves are left or waterproof sealing materials are injected into the pipe cavities to serve as sealing layers at the connecting positions of the steel plates or the piles of the steel cylinder piles; the cross section of the connecting positions of the steel plates or the piles of the steel cylinder piles is in a hook shape or concave-convex matched or third filling block filling connecting shape; and one or more sealing grooves are formed in the pile connecting positions.
Owner:JIANGSU GREEN RIVER ENVIRONMENTAL TECH CO LTD

Steel cylinder pile or steel sheet pile with sealing grooves and occlusion structures and steel structure continuous wall

The invention discloses a steel cylinder pile or steel sheet pile with sealing grooves and occlusion structures. The steel cylinder pile or steel sheet pile is provided with the waterproof sealing grooves; at least one groove used for sealing is formed in the connecting positions of steel sheet piles or steel cylinder piles; the cross section of each groove is convex-arc-shaped, concave or polygonal; pipes with the same sectional area are inlaid in the grooves; the steel sheet piles or the steel cylinder piles and the pipes inside the grooves are rammed into a stratum together or separately; and after the steel pipes are pulled out, waterproof sealing materials are reserved in or injected into cavities inside the grooves so as to form waterproof sealing layers at the connecting positions of the steel sheet piles or the steel cylinder piles. The steel cylinder pile or steel sheet pile has the advantages that in the application of a steel structure continuous wall, a foundation and a foundation pit, particularly, the sealing structural steel cylinder pile is a rectangular steel cylinder pile, and rectangular steel cylinders are tightly arranged.
Owner:JIANGSU GREEN RIVER ENVIRONMENTAL TECH CO LTD

Controlling and reinforcing method for soft soil shield receiving

The invention discloses a controlling and reinforcing method for soft soil shield receiving. The controlling and reinforcing method comprises the following steps that step 1, construction of a shielding receiving end is carried out, specifically, reinforcement construction of the receiving end and the precipitation construction of the receiving end are carried out; step 2, a shielding receiving bracket is installed; step 3, construction of a door opening is carried out, specifically, a door opening sealing device is mounted, measurement before penetrating is carried out, shielding posture is adjusted and parameters are adjusted; step 4, shield receiving is carried out; and step 5, treatment after shield receiving is carried out; a segment tensioning device is arranged at an end well; aftershield receiving, grouting plugging is carried out, and a shield tunneling machine is hoisted out of the end well; and lower layer reinforcement structure is detached. The steps are simple, the design is reasonable and construction transportation is simple and convenient; implementation of the actual project operation is high; disturbance in the shield receiving is reduced during construction process; and integrity and stability are improved. The reinforced solid has certain supporting independence and stability, is free of water linkage and sand drifting, thereby having the good water blocking effect.
Owner:ZHEJIANG UNIV CITY COLLEGE

Through-flow water turbine with front and rear symmetrical constant-width movable guide blades

The invention discloses a through-flow water turbine with front and rear symmetrical constant-width movable guide blades. The water turbine comprises a forward water inflow passage, a shaft, a supporting frame, a two-way power generation rotation wheel, a reverse water inflow passage, a power generator and a speed increaser. The water turbine is characterized by further comprising a front constant-width movable guide blade and a rear constant-width movable guide blade. The front constant-width movable guide blade is arranged between the forward water inflow passage and the two-way power generation rotation wheel. The rear constant-width movable guide blade is arranged between the two-way power generation rotation wheel and the reverse water inflow passage. Longitudinal sections of the front constant-width movable guide blade and the rear constant-width movable guide blade are in two-end streamline pointed wing shapes and are arranged symmetrically on the two sides of the two-way power generation rotation wheel. By means of the water turbine, both the forward power generation efficiency and the reverse power generation efficiency of the power generator set can be improved, so that the total power generation efficiency of the power generator set is further improved, and the water turbine is applicable to various low water head tidal power stations.
Owner:HOHAI UNIV +1

Heavy-load type durable asphalt composite structure

The invention discloses a heavy-load type durable asphalt composite structure applicable to a 'changing white to black' project. The layered composite structure is arranged on an original pavement layer and comprises an upper surface layer, a second bonding layer, an intermediate layer, a first bonding layer, a lower surface layer and a stress absorption layer in sequence from top to bottom; the stress absorption layer is arranged on the upper surface of the original pavement layer. According to the heavy-load type durable asphalt composite structure, the upper surface layer made of rubber asphalt SMA13, the intermediate layer and the lower surface layer made of high-modulus EME are all capable of bear load well, and excellent track resistance is achieved; meanwhile, compared with a common asphalt mixture, the position of the upper surface layer, the position of the intermediate layer and the position of the lower surface layer are all high in stiffness modulus which is closer to the modulus of a cement concrete pavement, so that the entire deformation coordination capacity is unified, and it is helpful to prolong the entire structural service life of the pavement.
Owner:福州市公路局 +1

Compound multifunctional asphalt pavement sealant and preparation process thereof

The invention discloses a compound multifunctional asphalt pavement sealant and a preparation process thereof. The main components of the sealant include: 100 parts of mixed modifier-modified asphaltwith 35 percent of 40-mesh rubber powder, 45 percent of 60-mesh rubber powder and 20 percent of 80-mesh rubber powder; 15 to 30 parts of functional component agent A; 10 to 35 parts of functional component agent B; and 5 to 25 parts of functional component agent C. The main components of the functional component agent A are coumarone-indene resin, trimethylolpropane, fine talcum powder, p-aminobenzoic acid and the like. The main components of the functional component agent B are diphenylmethane diisocyanate, butyl epoxy stearate, bisphenol-A epoxy compatibilizer, trimethylolethane and the like. The main components of the functional component agent C are microcapsules, vinyl glass flake mortar, polyvinyl alcohol-modified high-sodium bentonite particles and the like. According to the invention, after the functional component agents A, B and C are prepared, proportion is designed to carry out compounding, and the compounded sealant not only can fill cracks, but also can seal the cracks. The invention is applicable to different types of cracks, and according to causes of crack formation, different amounts of functional component agents A, B and C can be added. The sealant compounded bythe invention has high bonding strength, good sealing property and waterproofness and excellent high-temperature stability and low-temperature bonding property, having high application and popularization values.
Owner:CHONGQING JIAOTONG UNIVERSITY

Appliance coupler water pumping device

PendingCN112021931APrevent water leakageTo achieve the effect of sealing waterWater-boiling vesselsThermal waterMechanical engineering
The invention provides an appliance coupler water pumping device, which is used for a liquid heater with a separable inner container, and a heating disc of the inner container is provided with a firstthrough hole; the appliance coupler water pumping device comprises a connector fixedly connected with the heating disc, wherein a water inlet pipe assembly is arranged in the center of the connector,and the water inlet pipe assembly is communicated with the interior of the inner container through a first through hole; an appliance input socket matched with the connector in an inserted mode, wherein a water pumping pipe assembly is arranged in the center of the appliance input socket; when the connector is connected with the appliance input socket in an inserted mode, the water inlet pipe assembly is communicated with the water pumping pipe assembly, and in the water pumping state, liquid in the inner container sequentially passes through the water inlet pipe assembly and the water pumping pipe assembly to flow out, so that hot water is transferred into a utensil for drinking water from a kettle.
Owner:BEIJING LEFT TREE TECH CO LTD

High-temperature-resistant and low-temperature-resistant pavement gap repairing patch

The invention relates to the technical field of road maintenance materials. The invention relates to a repairing patch, in particular to a high-temperature-resistant and low-temperature-resistant pavement gap repairing patch which comprises basalt sand, a repairing material and a bottom surface isolating membrane, wherein the repairing material is placed on the bottom surface isolating membrane, the basalt sand covers the repairing material, and the repairing material is prepared from the following raw materials in parts by weight: 10 to 50 parts of asphalt, 5 to 20 parts of a plasticizer, 20to 60 parts of a reinforcing material, 5 to 20 parts of a high polymer material and 5 to 15 parts of rubber. The high-temperature-resistant and low-temperature-resistant pavement gap repairing paste has the advantages of being good in cohesiveness, high in tensile strength, good in water sealing effect, easy to construct, high in traffic recovery speed and the like.
Owner:山东路联交通材料有限公司

Material for cold-mixing and cold-paving overlay technology and preparation method of material

The invention discloses a material for a cold-mixing and cold-paving overlay technology and a preparation method of the material. The material comprises a cationic single-component waterborne epoxy asphalt mixture and an interface protective agent. The cationic single-component waterborne epoxy asphalt mixture and the hydrophobic organic silicon emulsion are subjected to distribution construction, and the cationic single-component water-based epoxy asphalt mixture is mixed and paved in the advancing process of a paving vehicle special for cold mixing and cold paving. After rolling and molding, hydrophobic organic silicon protection liquid is spread on the molded cationic single-component waterborne epoxy asphalt mixture by using an asphalt spreading truck. The cold-mixing and cold-paving overlay technology and material provided by the invention have the advantages of good skid resistance, low driving noise, good water sealing performance and good durability.
Owner:江苏创为交通科技发展有限公司

Cup with exhaust sealing ring assembled in cup cover

The invention discloses a cup with an exhaust sealing ring assembled in a cup cover. The cup comprises the cup cover, the sealing ring and a cup body, the sealing ring is assembled in the cup cover, and a plurality of upwards-arranged first-stage exhaust grooves are formed in the inner side wall of the sealing ring at equal intervals; second-stage exhaust grooves are formed in the upper end face of the sealing ring in the circumferential direction of the sealing ring, and the second-stage exhaust grooves communicate with the top ends of the first-stage exhaust grooves; and a plurality of third-stage exhaust grooves which are arranged downwards are formed in the outer side wall of the sealing ring at equal intervals, and the top ends of the third-stage exhaust grooves communicate with the second-stage exhaust grooves. According to the cup with the exhaust sealing ring assembled in the cup cover, the sealing ring is assembled in the cup cover, the inner side wall, the outer side wall andthe upper end face of the sealing ring are provided with the step exhaust grooves which are communicated with one another, so that gas in the cup body is exhausted through the step exhaust grooves atthe moment of cover opening, and attraction to the sealing ring is weakened to the maximum extent; and therefore, the hidden danger that the sealing ring is loosened or separated from the cup cover under the action of negative pressure suction force at the moment of cover opening is eliminated.
Owner:JIANGSU XINUO INDAL

Single-layer well wall with grouting water stop connecting piece and construction method thereof

The invention belongs to the technical field of mine construction engineering, and particularly relates to a single-layer well wall with a grouting water stop connecting piece and a construction method thereof. The single-layer well wall comprises an upper-section well wall and a lower-section well wall, a construction joint is arranged between the upper-section well wall and the lower-section well wall, the upper-section well wall and the lower-section well wall are connected through the grouting water stop connecting piece at the construction joint, the grouting water stop connecting piece comprises a flexible pipe, and the flexible pipe is in a closed ring shape and is embedded between the upper-section well wall and the lower-section well wall; and the upper end and the lower end of the flexible pipe are fixedly connected with steel plate edges, the steel plate edges are embedded in the upper-section well wall and the lower-section well wall correspondingly, a grout outlet hole is formed in the flexible pipe and faces the construction joint in the side, close to the outer wall of a shaft, a grouting pipe is further arranged on the flexible pipe, and a grouting opening is reserved in the grouting pipe and in the inner wall of the shaft. The well wall is convenient to construct and good in overall water sealing performance, the thickness of the needed well wall is obviously smaller than that of an existing double-layer composite well wall under the same condition, and the manufacturing cost of the well shaft in a deep and thick water-rich stratum can be obviously saved.
Owner:CHINA UNIV OF MINING & TECH

A two-way tubular water turbine using tidal power generation

The invention relates to a bidirectional through-flow turbine for generating power by tide. The bidirectional through-flow turbine comprises a forward inflow runner, a vertical shaft, a supporting frame, a bidirectional power generation rotating wheel, a reverse inflow runner, a generator and a speed increaser. The bidirectional through-flow turbine is characterized by further comprising front equal-width movable guide vanes and rear equal-width movable guide vanes, the front equal-width movable guide vanes are arranged between the forward inflow runner and the bidirectional power generation rotating wheel, the rear equal-width movable guide vanes are arranged between the bidirectional power generation rotating wheel and a reverse inflow runner, the forward inflow runner has a forward elliptical section, the ratio of the short axis to the long axis of the forward inflow runner is a golden division ratio, the reverse inflow runner has a reverse elliptical section, and the ratio of the short axis to the long axis of the reverse inflow runner is a golden division ratio. By taking double measures of the elliptical runners and the front and rear symmetric equal-width movable guide vanes, the composite effect of the operation efficiency of the turbine is greatly improved, the overall power generation efficiency of a generator set is remarkably improved, and the bidirectional through-flow turbine is applicable to replacing various through-flow turbines of low-head tidal power stations.
Owner:HOHAI UNIV +1

Combined bearing double-layer well wall and construction method thereof

ActiveCN113202480AReduce crackingImproved water sealingShaft liningStructural engineeringSlurry
The invention discloses a combined bearing double-layer well wall and a construction method thereof, and belongs to the technical field of double-layer well wall construction. The combined bearing double-layer well wall comprises an inner-layer well wall and an outer-layer well wall, the outer-layer well wall is formed by tunneling and pouring in sections, and construction joints exist between the sections of the outer-layer well wall; the inner-layer well wall is formed by continuous casting; and a gap is formed between the inner-layer well wall and the outer-layer well wall, and a micro-expansion grouting material is injected into the gap to form a micro-expansion interlayer. The micro-expansion grouting material is adopted for grouting between the inner-layer well wall and the outer-layer well wall, and the solidified slurry can tightly bond the inner-layer well wall and the outer-layer well wall and compactly fill water seepage channels in the outer-layer well wall and the stratum close to the well wall.
Owner:CHINA UNIV OF MINING & TECH

A Tubular Water Turbine with Front and Back Symmetric Equal Width Movable Guide Vanes

The invention discloses a through-flow water turbine with front and rear symmetrical constant-width movable guide blades. The water turbine comprises a forward water inflow passage, a shaft, a supporting frame, a two-way power generation rotation wheel, a reverse water inflow passage, a power generator and a speed increaser. The water turbine is characterized by further comprising a front constant-width movable guide blade and a rear constant-width movable guide blade. The front constant-width movable guide blade is arranged between the forward water inflow passage and the two-way power generation rotation wheel. The rear constant-width movable guide blade is arranged between the two-way power generation rotation wheel and the reverse water inflow passage. Longitudinal sections of the front constant-width movable guide blade and the rear constant-width movable guide blade are in two-end streamline pointed wing shapes and are arranged symmetrically on the two sides of the two-way power generation rotation wheel. By means of the water turbine, both the forward power generation efficiency and the reverse power generation efficiency of the power generator set can be improved, so that the total power generation efficiency of the power generator set is further improved, and the water turbine is applicable to various low water head tidal power stations.
Owner:HOHAI UNIV +1

Drive unit for a slide-out room

A drive unit for a slide-out room of a recreational vehicle includes a rotary component, an elongate component, and a structural member configured to be coupled to a wall panel of the slide-out room and having an elongate cavity. The elongate component and the rotary component are arranged within the elongate cavity of the structural member and are configured to mesh such that a rotary motion of the rotary component results in a linear motion of the elongate component together with the structural member relative to the rotary component. Advantageously, the drive unit may further include a guide member and a guide rail, where the guide rail is integrated into the elongate cavity of the structural member and where the guide member and the guide rail are configured to cooperate to support the linear motion of the structural member.
Owner:LCI ITAL SRL

Drive unit for a slide-out room

A drive unit for a slide-out room of a recreational vehicle includes a rotary component, an elongate component, and a structural member configured to be coupled to a wall panel of the slide-out room and having an elongate cavity. The elongate component and the rotary component are arranged within the elongate cavity of the structural member and are configured to mesh such that a rotary motion of the rotary component results in a linear motion of the elongate component together with the structural member relative to the rotary component. Advantageously, the drive unit may further include a guide member and a guide rail, where the guide rail is integrated into the elongate cavity of the structural member and where the guide member and the guide rail are configured to cooperate to support the linear motion of the structural member.
Owner:LCI ITAL SRL

A double-side guide vane tubular water turbine with an elliptical flow channel

ActiveCN103742337BSpeed up the flowSmooth and flowing symmetrical flowHydro energy generationReaction enginesWater turbineWater flow
The invention relates to a double-side guide vane tubular water turbine provided with an elliptical flow channel, which includes a forward water inlet channel, a vertical shaft, a support frame, forward movable guide vanes, two-way power generation runners, and reverse movable guide vanes. . Reverse water inlet channel, generator and speed increaser, characterized in that the forward water inlet channel is a forward elliptical cross-section, the ratio of its minor axis to the major axis is the golden ratio; from the forward water inlet cross-section The ratio of the short axis of the ellipse to the long axis of the water inlet section before the positive movable guide vane section increases linearly; the reverse water inlet channel is a reverse elliptical cross section, and the ratio of the short axis to the long axis is the golden section Ratio; the ratio of the minor axis to the major axis of the ellipse from the reverse water inlet section to the water inlet section in front of the reverse movable guide vane segment increases linearly. The invention can ensure smooth, unobstructed and symmetrical flow of water in the elliptical flow channel, so that the overall power generation efficiency of the unit is further improved, and is suitable for shaft tubular water turbines of various low-head tidal power stations.
Owner:HOHAI UNIV +1

Construction method of interwall grouting waterproofing and strengthening shaft wall structure under the protection of frozen wall

ActiveCN106837340BGive full play to the water sealing effectImprove grouting effectShaft liningStress conditionsEngineering
The invention provides a construction method for an inter-wall grouting water-resisting and reinforcing well wall structure under protection of a freezing wall, and belongs to construction methods for inter-wall grouting water-resisting and reinforcing well wall structures. The construction method for the inter-wall grouting water-resisting and reinforcing well wall structure under protection of the freezing wall comprises the steps that the grouting opportunity under the protection of the freezing wall is selected actively; a grouting pipe is embedded between an inner wall and an outer wall while the inner well wall is constructed; after construction of the inner well wall is completed and before the freezing wall is melted, grouting is conducted between the inner well wall and the outer well wall from the ground under the protection of the freezing wall; and the space between the inner well wall and the outer well wall is blocked actively, so that the grouting protection effect is improved, the water sealing effect of the outer well wall is sufficiently improved, and the combined bearing effect of the inner well wall and the outer well wall is brought into play. The construction method for the inter-wall grouting water-resisting and reinforcing well wall structure under protection of the freezing wall has the advantages that the grouting pressure is low, and compact grouting is achieved; the airtightness of the outer well wall can be greatly improved after grouting, water pressure does not directly act on the inner well wall after the freezing wall is melted, and thus the stress condition of the inner well wall and the outer well wall is greatly improved; and construction is easy and convenient, the cost performance is high, the water sealing effect is remarkable, and the construction period is shortened.
Owner:CHINA UNIV OF MINING & TECH +1

A high-efficiency water purification large-capacity integrated sink and its operating method

The invention provides an efficient-water-purifying high-capacity integrated water tank, belongs to the technical field of integrated water tanks and solves the problem that existing integrated water tanks are low in integration degree and have drainage holes prone to blockage. The efficient-water-purifying high-capacity integrated water tank comprises a water tank body and a cabinet supporting the water tank body, an article platform is arranged on one side of the upper end face of the water tank body, a water purifying faucet, a common water faucet and a soap liquid device are arranged on the article platform, a step-shaped step overlapping platform is arranged at the upper edge of the water tank body, a chopping board and a draining curtain are connected on the step overlapping platform in a clamped manner, an embossed surface layer is arranged on the inner surface of the water tank body uniformly, a double-tank draining device is arranged at the bottom end of the water tank body, a double draining strainer residue isolating device is arranged at a draining hole of the double-tank draining device, a pipeline-type water purifier is arranged on the water purifying faucet, a polypropylene melt-blow filtering core, a softened filtering core, an ultrafiltration membrane filtering core and a postpositive activated carbon filtering core are arranged in the pipeline-type water purifier sequentially, side-opening doors are arranged on the cabinet, a handle is arranged on each side-opening door, and radius of each corner of the water tank body is 10mm.
Owner:浙江爱尔卡智家科技有限公司

Colored casting asphalt housing estate road surface

The invention discloses a colored casting asphalt housing estate road surface. The road surface is successively provided with a 3 cm colored casting asphalt concrete surface layer, a 5 cm dense-graded asphalt concrete AC-16 middle face layer and a 7 cm asphalt stable gravel ATB-25 lower face layer from top to bottom. The road surface has the advantages of good water sealing property and skid resistance, and does not easily produce cracks at low temperatures; in addition, a road surface structure also has strong anti-fatigue ability, has no need of rolling construction, and also has no need of compactness to control the quality, so that the construction is convenient and quick; and finally, the colored road surface can beautify the environment, and is quite suitable for housing estates.
Owner:CHONGQING ZONJO RENEWABLE RESOURCES DEV CO LTD

Bolt type underwater sealing door

The invention relates to the technical field of drainage equipment, in particular to a bolt type underwater sealing door. The sealing door comprises a doorframe fixed on a wall, and a door panel which can be laterally opened and is hinged to the side of the front of the doorframe, wherein a sealing strip is arranged between the doorframe and the door panel; the sealing door is characterized in that a plurality of bolt structures are formed between the door panel and the doorframe; each bolt structure comprises a locking wedge block fixed on the inner side of the doorframe and a rotating shaft penetrating through the door panel; a wedge head is arranged on the inner side end, which penetrates through the door panel, of the rotating shaft; a handle is mounted on the end, which is positioned on the outer side of the door panel, of the rotating shaft; the wedge head is of a plate structure of which one end is fixed on the inner side end of the rotating shaft and can rotate along with the rotating shaft; when the other end of the wedge head rotates to the side, which deviates from the door panel, of the wedge block and is tightly attached to the wedge block, the door panel is closed onto the doorframe. The sealing door disclosed by the invention is simple in structure and convenient to mount and operate, can be widely applied to underwater communicating part of underground facilities so as to allow operators or construction equipment to pass, and has an extremely high popularization value.
Owner:WUHAN SHENGYU DRAINING SYST

A compound multifunctional asphalt pavement potting glue and its preparation process

The invention discloses a compound multifunctional asphalt pavement sealant and a preparation process thereof. The main components of the sealant include: 100 parts of mixed modifier-modified asphaltwith 35 percent of 40-mesh rubber powder, 45 percent of 60-mesh rubber powder and 20 percent of 80-mesh rubber powder; 15 to 30 parts of functional component agent A; 10 to 35 parts of functional component agent B; and 5 to 25 parts of functional component agent C. The main components of the functional component agent A are coumarone-indene resin, trimethylolpropane, fine talcum powder, p-aminobenzoic acid and the like. The main components of the functional component agent B are diphenylmethane diisocyanate, butyl epoxy stearate, bisphenol-A epoxy compatibilizer, trimethylolethane and the like. The main components of the functional component agent C are microcapsules, vinyl glass flake mortar, polyvinyl alcohol-modified high-sodium bentonite particles and the like. According to the invention, after the functional component agents A, B and C are prepared, proportion is designed to carry out compounding, and the compounded sealant not only can fill cracks, but also can seal the cracks. The invention is applicable to different types of cracks, and according to causes of crack formation, different amounts of functional component agents A, B and C can be added. The sealant compounded bythe invention has high bonding strength, good sealing property and waterproofness and excellent high-temperature stability and low-temperature bonding property, having high application and popularization values.
Owner:CHONGQING JIAOTONG UNIVERSITY

Construction method for narrow steel hanging box of straining beam in water

The invention relates to the field of wading bridge construction, in particular to an underwater straining beam narrow steel hanging box construction method which comprises the steps that a narrow steel hanging box composed of a bottom plate, side plates and an I-shaped steel framework platform is built, the position of the steel hanging box is adjusted through finish rolling spiral steel bars, the steel hanging box can move up and down, and the elevation is easy to control; a rubber plate, concrete and a self-secreting expansion mortar water stopping bag are adopted for sealing water, a good water sealing effect can be achieved, and then steel bar binding and concrete pouring operation is conducted in the steel hanging box subsequently. According to the method, the construction cost is greatly saved, the construction process of the straining beam in water is greatly simplified, the influence on the width of the cross section of the river channel is reduced to the greatest extent, the problems of complex underwater construction process, difficult construction, large investment, high cost and the like are solved, and meanwhile, the working efficiency and the working quality are improved.
Owner:GANSU ROAD & BRIDGE CONSTR GROUP

Stilling pool slope angle underwater repairing device and method

The invention discloses a stilling pool slope angle underwater repairing device and method. The stilling pool slope angle underwater repairing device comprises a device body, the device body is composed of a fan-shaped cylindrical tube and a cylindrical tower tube communicating with the upper side of the tube, the side wall between angular radii in the length direction of the tube is open, a sealing strip is arranged on the boundary of the tube, and a communicating valve is arranged at the connecting ends of the tower tube and the tube. According to the underwater repairing device and method,underwater construction repairing can be conducted, the construction process is simplified, and the repairing efficiency of the stilling pool slope angle is improved.
Owner:TIANJIN UNIV

One-piece multifunctional integrated sink and method of operation thereof

The invention provides a one-piece multifunctional integrated sink and an operation method thereof, belongs to the technical field of integrated sinks and solves problems that existing integrated sinks are low in integration and imperfect in function. The one-piece multifunctional integrated sink comprises a sink body and a cabinet supporting the sink body, a placement platform is arranged on one side of the upper end face of the sink body, a water-purifying faucet, an ordinary faucet, a soap container and a tool rest are arranged on the placement platform, a ladder-like lapped-joint platform is arranged at the upper edge of the sink body, a chopping board and a deterring curtain are buckled on the lapped-joint platform, a drainage nozzle is arranged in the bottom of the sink body, a double-drainage strainer slag-isolating unit is arranged in the drainage nozzle and comprises a drainage strainer, filter screens are parallelly arranged inside the drainage strainer and the bottom surface of the drainage strainer, an S-shaped drainage pipe is connected to the bottom of the drainage nozzle, a waste processor is connected to the bottom of the S-shaped drainage pipe, a piping-type water purifier is arranged on the water-purifying faucet, the water inlet of each of the water-purifying faucet and the ordinary faucet is connected with a heater, and cold-hot water switches are arranged on the water-purifying faucet and the ordinary faucet.
Owner:浙江爱尔卡智家科技有限公司
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