577 results about "Joint (building)" patented technology

The invention relates to a method, a system and equipment for predicting creep stress at a joint of a concrete structure and a medium. The method comprises the following steps: testing a concrete structure material and a concrete structure joint filling material, and constructing a joint material performance database based on test data; constructing a multi-scale mechanical model comprising a macrostructure model and a microcosmic interface model based on the seam material performance database; constructing an interface constitutive relationship based on the seam material performance database and the multi-scale mechanical model; and predicting the creep stress at the joint of the concrete structure based on the material performance database at the joint, the multi-scale mechanical model and the interface constitutive relationship. The method can fully consider the sudden change of the performance of the material at the joint and the interface effect, provides reliable technical support for the safety evaluation and maintenance of the concrete structure, and is particularly suitable for engineering application of large-span and high-rise buildings and the like with higher requirements on the long-term performance of the structure.

The utility model discloses a two-way tensioning connecting piece, a connecting assembly and a tool, which relate to the technical field of fabricated buildings and comprise a connecting structure of a double-end connecting rod and a connecting module and a connecting structure of the double-end connecting rod and a female joint in the connecting module. Two ends of the double-end connecting rod are respectively provided with external threads with opposite screwing directions, and the two ends of the double-end connecting rod are respectively connected with the female joints in the connecting module; a rotating part is arranged in the middle of the double-end connecting rod, the double-end connecting rod can rotate around a shaft through a tool capable of driving the rotating part, the length of threads, screwed into female joints, at the two ends of the double-end connecting rod can be increased, the female joints connected with the two ends of the double-end connecting rod are tensioned and fixed, and therefore the gap distance between the female joints at the two ends is reduced; and the connecting module connected with the female joint is tightly mounted in a seamless fit manner.

A fire-blocking gasket includes a profile having a plurality of legs and defines an interior space. The interior space including a fire-blocking material and / or an intumescent material for providing fire, smoke and / or sound protection across a deflection gap in a building joint. The gasket can be installed within the building joint by direct attachment with a track member within the deflection gap.

The invention discloses a deformation joint structure based on active guide drainage and long-acting sealing and a construction method thereof, and belongs to the technical field of building construction. The structure comprises a bottom active guiding and discharging assembly and a top sealing assembly. The bottom active guide and drainage assembly comprises flexible waterproof adhesive tapes which are fixedly adhered to the side walls of the building structures on the two sides of the deformation joint through adhesive layers, and the flexible waterproof adhesive tapes are bent downwards to form drainage channels; the top sealing assembly comprises waterproof reverse ridges arranged on the top faces of the building structures on the two sides and a top cover plate stretching across the deformation joint. According to the invention, a first defense line is formed through the top cover plate and the side waterproof reverse ridges by taking'changing blockage into dredging 'as a core, so that an external water source is effectively blocked; and a second defense line is formed through the flexible waterproof adhesive tape at the bottom, permeated water flow is actively collected and discharged, the water leakage problem caused by aging of traditional sealant is avoided, and long-acting sealing and water prevention of the deformation joint are achieved.

The utility model relates to the technical field of house construction, and discloses a house construction steel bar connecting structure which comprises a first mounting seat and a second connecting seat which are arranged at the joint of two groups of steel bar main bodies, v-shaped grooves are formed in the sides, close to each other, of the first mounting base and the second connecting base. The house building steel bar connecting structure comprises a first mounting base and a second connecting base, multiple sets of butt joint grooves arranged at equal intervals are formed in the sides, close to each other, of the first mounting base and the second connecting base, the butt joint grooves formed in the first mounting base and the second connecting base are designed to be of a staggered structure, a solid part is formed between every two adjacent butt joint grooves, and the solid parts are matched with the butt joint grooves. The steel bar connecting structure can adapt to connection of steel bars with different diameters, the application range and flexibility of the connecting structure are greatly improved, the situation that connecting pieces need to be replaced due to different diameters of the steel bars is reduced, the using effect of the connecting structure is improved, and the actual using requirement is met.

The utility model relates to the technical field of building construction, and particularly discloses a steel-reinforced concrete joint restraining device. The steel-reinforced concrete joint restraining device comprises joint steel plate hoops, the joint steel plate hoops are parallel to the transverse steel members, the joint steel plate hoops are welded between the transverse steel members at the same section steel member joint, and the welded joint steel plate hoops form a hoop-shaped structure. The node steel plate hoop is made of a strip-shaped steel plate, and the node steel plate hoop and the profile steel component are machined together in a factory. According to the utility model, the defects of difficulty in mounting the constraint steel bars, large field manufacturing and welding workload and substandard protection layer caused by node steel bar deviation in the traditional steel reinforced concrete construction are effectively overcome.

The utility model discloses a box-type steel structure building foundation connecting node in the field of steel structure buildings, which comprises a box-type module, connecting boxes are arranged at corners of the box-type module, positioning holes and connecting holes are arranged on outer end faces of the connecting boxes, foundation connecting plates and long screws are arranged between the connecting boxes of the box-type module and a concrete ground foundation, and the long screws are connected with the box-type module. Positioning cones are arranged on the upper surface of the foundation connecting plate corresponding to the positioning holes, fixing cones are arranged on the lower surface of the foundation connecting plate, through holes are formed in the foundation connecting plate corresponding to the connecting holes, the lower ends of the long screws are pre-buried in the concrete ground foundation, and the upper ends of the long screws penetrate through the through holes and the connecting holes to be connected with the connecting box; the interval D1 between the top face of the concrete ground foundation and the bottom face of the foundation connecting plate is not smaller than 50 mm, and a grouting layer is arranged between the concrete ground foundation and the foundation connecting plate. The box type steel structure building foundation connecting joint has the advantages of being stable in connection, convenient and fast to construct and the like.

The invention discloses a material mixing system for building construction, the material mixing system comprises a material mixing device and a first feeding device, the material mixing device can stir construction materials and is provided with a first feeding port, the first feeding device comprises a first conveying device, a first butt joint device and a first cutting device, the first butt joint device forms a first butt joint channel, and the first cutting device is provided with a second butt joint channel; the lower end of the first butt-joint channel is communicated with the first feeding port, the upper end of the first butt-joint channel can bear packaging pieces of construction materials, the first cutting device is arranged on the first butt-joint device, during operation, the first conveying device conveys the packaging pieces to the first butt-joint channel, and then the first cutting device cuts openings in the packaging pieces. According to the automatic feeding system for the construction materials, the construction materials automatically fall into the material mixing equipment, automatic feeding of the construction materials with packaging pieces can be achieved through the system, the construction efficiency is effectively improved, and the safety of operators is guaranteed.

The utility model discloses a cover and excavation top-down side wall construction joint waterproof structure, and relates to the technical field of side wall construction joint waterproofing, the cover and excavation top-down side wall construction joint waterproof structure comprises a first side wall and a second side wall, the first side wall is located above the second side wall, and a construction joint is arranged at the joint of the first side wall and the second side wall. A first pre-buried plate is pre-buried in the first side wall, a second pre-buried plate is pre-buried in the second side wall, a water stop steel plate is arranged between the first pre-buried plate and the second pre-buried plate, the upper side and the lower side of the water stop steel plate are located in the first pre-buried plate and the second pre-buried plate, and splicing plates are fixedly arranged at the two ends of the water stop steel plate. By means of the water-swelling water-stopping glue, when water seepage occurs to the construction joint, the water-swelling water-stopping glue swells when encountering water, the first splicing groove and the second splicing groove are sealed, meanwhile, the water-stopping steel plate blocks the infiltrated water, and therefore it is avoided that gaps exist in the water-stopping steel plate, water is prevented from infiltrating into a building from the construction joint, and the waterproof effect is improved.

The application discloses a house building main body wall joint width measuring device and a use method, relates to the wall joint width measuring technical field, and aims to solve the technical problem that the traditional tool can only measure the wall joint surface width, and comprises a plug-in rod, a detection mechanism and an auxiliary mechanism. The conical head of the plug-in rod can guide the device to smoothly extend into a narrow or deep wall joint, the detection rod in the detection mechanism can be expanded along the limiting rod under the drive of the auxiliary mechanism, directly contacts the inner wall of the wall joint, and not only adheres to the surface. According to the direct contact measurement of the detection rod and the inner wall, the reading system composed of the gear, the rack, the pointer and the scale is combined, the staff can directly read the real width of the inner wall, does not need to rely on the surface data inference, avoids the measurement deviation caused by the inconsistent inner and outer sizes, accurately obtains the real width data of the inner wall, provides a reliable basis for the wall joint quality judgment, and solves the problem that the traditional tool can only measure the wall joint surface width.

This application relates to the technical field of building construction, and in particular to a waterproof structure for diaphragm walls. It includes a wall body consisting of multiple diaphragm walls pre-cast on the sidewalls of a foundation pit, and a sealing assembly for sealing the joints between adjacent wall sections. The sealing assembly includes a connector disposed between the two adjacent wall sections. The connector includes a web plate disposed between the end faces of the two adjacent wall sections and a pair of symmetrically arranged flanges on both sides of the web plate. The web plate is perpendicular to the flanges, and the flanges are located on both sides of the joint between the two adjacent wall sections and are abutted against the sides of the wall. The web plate and the flanges form a pair of mounting grooves for installing the wall ends. Precast reinforcing bars are provided on the end faces of the two adjacent wall sections facing the web plate. The web plate is welded to the reinforcing bars, and mortar for connection with the wall can be poured into the mounting grooves. This application improves the sealing effect at the joints of diaphragm walls and prevents leakage problems.

The utility model provides an assembly type stone suspended ceiling installation structure, and belongs to the technical field of suspended ceilings. The stone suspended ceiling mounting structure comprises a hanging assembly, a first connecting piece, a profile frame and a second connecting piece. The upper end of the hanging assembly is fixed to a building structure, the first connecting piece is connected with the hanging assembly and the sectional material frame, a stone panel is installed at the bottom of the sectional material frame, and the second connecting piece is connected with the stone panel and the sectional material frame; the first connecting piece is arranged on the hanging assembly and can move in a first plane relative to the hanging assembly, so that the stone panel is driven to move in the first plane. A lantern ring in a first connecting piece in the stone suspended ceiling mounting structure can move back and forth on a hanging shaft bolt rod so as to drive a stone panel to move in the horizontal direction; and the limiting piece in the first connecting piece can do telescopic motion on the limiting shaft so as to drive the stone panel to do telescopic motion.

This invention provides an integrated decorative structure and construction method for a large-span steel roof with a photovoltaic system. The structure includes a back frame, a horizontal top frame, and a sloping frame extending from the main building structure. The decorative system is supported by a unified decorative steel keel, including photovoltaic keels in the top frame and curtain wall keels in the back frame and at their junctions. Both share keels in key areas to form an integrated load-bearing system. A dedicated joint structure achieves a smooth transition and sealing at the junction of the photovoltaic panels and the curtain wall panels. During construction, BIM and finite element analysis are used for structural optimization; adjustable adapter components are used to install the integrated steel keel for precision adjustment; and the panels are installed sequentially and the joints are treated. This invention achieves a high degree of integration between architectural form and photovoltaic power generation function, improving space utilization efficiency and structural safety, and has significant energy-saving and economic benefits.

In a building foundation structure where a pile cap, comprising a steel pipe section joined to a steel column-beam joint and a concrete section inside, is provided as a foundation footing, and the steel pipe section of the pile cap is installed on a foundation slab constructed along the ground surface, increasing the thickness of the foundation slab contributes to improving the allowable bending strength of the pile head-side joint of the pile cap, thereby enabling a rational design. [Solution] The foundation footing 20 includes a pile cap 21 having a steel pipe section 23 and a concrete section 24, and a concrete foundation slab 17 constructed along the ground surface Ga, with the steel pipe section 23 of the pile cap 21 installed on the foundation slab 17. The concrete section 24 of the pile cap 21 is provided with reinforcing main bars 30 whose lower end is embedded in the foundation slab 17 and which extend along the axis C of the steel pipe section 23.

The utility model relates to the technical field of building construction, in particular to a seam covering structure of a building outer wall deformation seam, and aims to solve the problems that an existing cover plate is fixed to outer wall concrete structures on the two sides through self-tapping screws, the cover plate and a decorative surface layer are prone to falling off, and many potential safety hazards exist. The joint covering structure comprises bases and a cover plate, the multiple pairs of bases are symmetrically arranged at intervals along the axis of the deformation joint, the multiple pairs of bases are connected to the concrete outer wall, gaps are formed between the bases and the heat preservation plate and between the bases and the decoration surface layer, and the two sides of the cover plate are embedded into the bases located on the two sides of the cover plate correspondingly, so that the cover plate can cover the outer side of the deformation joint.

The application relates to the field of building construction and discloses a BIM-based outer wall building node optimization and node one-time forming method, which comprises the following steps: step one: creating a main structure model based on two-dimensional structure diagram information; step two: determining structure node numbers and large sample diagram information according to floor structure plan view node annotations; step three: creating a structure node model through a structure node size large sample diagram; step four: creating a building node model according to building plan view corresponding part building node numbers and large sample diagram information; step five: analyzing the structure and construction difficulty of the building node, and confirming whether to optimize the structure node to be constructed with the main body at one time; and step six: outputting a building node optimization information table. The application mainly solves the construction difficulty of a building node in a narrow space, guarantees the safety of construction personnel, improves project construction efficiency, and controls construction cost.

The utility model discloses a leaking stoppage structure, relates to the technical field of buildings, and aims to solve the problems that the strength of a component is reduced and the quality and the safety of the buildings are influenced due to the fact that water and cement seep from a joint in the process of pouring concrete. The leaking stoppage structure comprises a first body, a second body and a telescopic connecting assembly. The second body and the first body are oppositely arranged in a spaced mode, the telescopic connecting assembly is provided with two opposite ends, the two ends of the telescopic connecting assembly are connected with the first body and the second body respectively, and the first body and the second body are driven by the telescopic connecting assembly to be close to or away from each other.

The utility model discloses an aluminum veneer capable of preventing a joint from loosening, and relates to the technical field of building decoration materials. The fixing device comprises a framework, a cross plate is fixedly arranged on the inner side of the framework, a plurality of mounting holes are formed in the surface of the cross plate in a penetrating mode, bolts are arranged in the mounting holes in a penetrating mode, and annular grooves are formed in the outer walls of the bolts. The aluminum veneer is arranged at the bottom of the framework, a plurality of connecting assemblies used in cooperation with bolts are arranged on the inner wall of the bottom of the aluminum veneer, each connecting mechanism comprises a fixing base fixedly arranged on the inner wall of the bottom of the aluminum veneer, the fixing bases are in an n shape, threaded holes are formed in the surfaces of the fixing bases in a penetrating mode, and the bolts penetrate through the threaded holes in a threaded mode; sliding grooves are formed in the outer walls of the two sides of the fixing base in a penetrating mode. According to the utility model, the bolts at the joints of the aluminum veneers and the framework can be positioned, so that the aluminum veneers are prevented from deviating due to looseness of the bolts, the attractiveness of the whole structure is ensured, two adjacent aluminum veneers can be limited, and the stability of the whole structure is improved.

The application discloses a full-assembly hollow plate type building structure and a mounting method thereof, and belongs to the technical field of building industrialized assembly type structures, and aims to solve the problems of large on-site wet work amount, welding or bolt connection, complex construction and large self-weight of components of an existing plate type assembly building connecting joint. The full-assembly hollow plate type building structure is characterized in that: prefabricated hollow floor slabs with bidirectional lengthways bottom reinforcement and bidirectional support surface reinforcement and prefabricated hollow wall slabs with double-layer bidirectional steel mesh are adopted; wall slab connecting pieces and wall slab connecting pieces with toothed plates are pre-welded and formed in a factory; a closed rectangular steel pipe-shaped cavity is formed by toothed plate occlusion at a corner part on site, and concrete is poured to form a rectangular steel pipe concrete column; upper and lower prefabricated hollow wall slabs are connected by setting wall slab vertical lap reinforcement in a second hollow channel and filling components by post-pouring connection; zero welding, no bolt connection and less wet work in full-assembly construction are realized; and the overall stress performance of the building is ensured by a unique joint structure.

The utility model relates to a reinforcing structure, belongs to the technical field of foundation reinforcing construction, and particularly relates to a reinforcing structure at a connecting joint of a building load-bearing wall and a raft foundation, which comprises the raft foundation, a plurality of first steel-concrete walls are fixedly mounted on the surface of the raft foundation, and a plurality of second steel-concrete walls are fixedly mounted on the surface of the raft foundation. A second steel-concrete wall body is fixedly installed on the peripheral wall of each first steel-concrete wall body, and a plurality of embedded steel bars are jointly and fixedly installed in the raft-shaped foundation and the inner bottom of the second steel-concrete wall body; the effects that the bearing capacity is enhanced, and a building is more stable are achieved, and the problems that an existing reinforcing structure is poor in bearing capacity, lack of steel bar supporting, not firm enough in connecting point, and insufficient in foundation bearing capacity and building safety coefficient are solved.

The utility model discloses a large-span seismic isolation seam cover plate construction structure, and relates to the technical field of building structures. Comprising a seismic isolation seam buffering and resetting mechanism arranged in a seismic isolation seam, the seismic isolation seam buffering and resetting mechanism is connected with a building through connecting pieces on the two sides, the connecting pieces are fixed to the building through expansion bolts, anti-seismic dampers are arranged on the two connecting pieces, and a seismic isolation seam cover plate is arranged at the upper ends of the anti-seismic dampers. Through the arrangement of the shock insulation seam buffer reset mechanism and the connecting piece, the shock insulation seam can be supported after a building vibrates and earthquakes, and the structural safety of the shock insulation seam is guaranteed; through the arrangement of the seismic isolation seam cover plate and the connecting pieces on the two sides of the seismic isolation seam cover plate, the movement range of the connecting pieces in the vibration process of a building can be expanded, and the seismic isolation seam cover plate can be suitable for protection of a large-span seismic isolation seam; the problems that a traditional seismic isolation joint cover plate is small in deformation capacity, the deformation requirement of a large-span seismic isolation joint in use cannot be met, and the buffering and resetting effects cannot be achieved in the earthquake process are solved.

The invention discloses a safe anti-skid elastic material integral stair step capable of being spliced and assembled, and belongs to the technical field of building decoration materials. The anti-slip structure comprises a front end corner part, a plane part, an anti-slip part and an assembling part, the front end corner part and the plane part are spliced through a clamping structure of a tenon and a mortise, the assembling part comprises an assembling groove and a buckling groove in the plane part, and the anti-slip part is assembled in the assembling groove. The product can be formed by combining various materials such as PVC (polyvinyl chloride) and rubber, the color, the size and the pattern can be customized, and the product can be packaged, transported, constructed and locally replaced in a split manner. The working principle comprises splicing fixation, non-slip assembly, material collaboration, splitting replacement and the like, and the stable, non-slip and convenient use effects are achieved through multi-structure cooperation. The problems that an existing product is single in material, cannot be split and is poor in anti-skid and anti-fouling performance are solved, secondary utilization of tailings is achieved, the production and use cost is reduced, the product practicability and environmental protection performance are improved, and the method is suitable for various building stair scenes.

The utility model relates to the technical field of house waterproof equipment, and discloses a steel structure roof waterproof joint sealing treatment mold which comprises a roof, a mold closing mechanism is arranged above the roof, a steel structure column pier is arranged at the top of the roof, a functional box is arranged above the roof, a motor is fixedly installed on the inner wall of the top of the functional box, and a bidirectional mechanism is arranged in the functional box. Two seat holes are formed in the bottom of the functional box, a lifting mechanism is arranged at the bottom of the functional box, a handle is arranged at the top of the functional box, an electric push rod is arranged above the roof, and the top end of an output shaft of the electric push rod is fixedly connected with the bottom of the functional box. Compared with the prior art, the sealing device has the following advantages and effects that by arranging the mold closing mechanism, the two sealing mold bases can be close to each other for mold closing, the sealing glue cavity can be formed through the two sealing glue grooves, and sealing treatment can be conducted on waterproof joints on the periphery of the steel structure column pier by injecting sealing glue into the sealing glue cavity.

The utility model discloses a detachable modularized grouting seat structure for reinforcing a steel strand of a historical building roof truss, which belongs to the technical field of grouting seats and is characterized in that one side of a grouting seat body is provided with a quick buckle interface, the inner wall of the quick buckle interface is movably connected with a thin web girder, and the bottom of the grouting seat body is fixedly connected with a sealing gasket; according to the detachable modular grouting seat structure for reinforcing the historical building roof truss steel strand, modular design is adopted for the arranged grouting seat, flexible splicing is supported, different engineering requirements are met, the limitation of the fixed size of a traditional grouting seat is solved, and the detachable modular grouting seat structure is convenient to use and high in practicability. Meanwhile, the grouting base made of light materials is convenient to carry and install and can be repeatedly used, the construction cost and material waste are reduced, through the combined design of the self-curing adhesive tape and the elastic sealing gasket, manual smearing of the sealing adhesive is not needed, the construction steps are reduced, and the sealing process is simplified.

The utility model discloses a building waterproof structure which comprises a deformation joint telescopic mechanism installed at a joint of an outer vertical face of a building, and the deformation joint telescopic mechanism is composed of a stainless steel panel and symmetrically-arranged aluminum alloy bases. Through the designed waterproof mechanism, the waterstop body, the aluminum alloy base and the joint of the building facade are mounted through the galvanized mounting plate, and the galvanized mounting plate has good adhesion with concrete, is not prone to falling off and loosening and can bear large tension and torsion, so that the waterproof effect is guaranteed, and the service life of the waterstop is prolonged. A fixing base is arranged at the joint of the bottom end of the galvanized mounting plate and the outer vertical face of the building, the fixing stability of the galvanized mounting plate is reinforced through a clamping assembly, and it is guaranteed that during actual operation of the deformation joint, in the process that the waterstop body is pulled, transverse resistance is exerted on mounting of the galvanized mounting plate through the clamping assembly; the installation stability of the waterproof mechanism is improved.

The utility model relates to the technical field of construction and building materials, and discloses a welding-free sleeve type sounding pipe which comprises a first sounding pipe, the outer wall of the first sounding pipe is fixedly connected with a positioning pipe, a fixing groove is formed in the positioning pipe, the inner wall of the positioning pipe is slidably connected with a sliding plate, and the sliding plate is fixedly connected with the first sounding pipe. And the outer wall of the sliding plate is slidably connected to the inner wall of the fixing groove, the lower surface of the sliding plate is fixedly connected with a spring, the bottom end of the spring is fixedly connected to the inner wall of the fixing groove, the upper surface of the sliding plate is fixedly connected with a clamping block, and the outer wall of the positioning pipe is fixedly connected with a bevel ring. According to the utility model, when the positioning pipe is inserted into the second sounding pipe and the clamping block slides to the position of the limiting groove, the spring rebounds through the fixing groove and pushes the clamping block to slide to the inner wall of the limiting groove, so that the sounding pipes are spliced and fixed, and meanwhile, the inclined ring is attached to the inner wall of the second sounding pipe after assembly, so that the contact area is increased; therefore, the effects of quickly splicing the sounding pipes and improving the sealing performance of the joints are achieved.

The utility model relates to the field of building construction supporting, in particular to a post-pouring slab joint independent supporting device which comprises an independent supporting column, a bearing piece, an adjustable jacking piece and a rubber grout stop pressing plate. The bearing piece is horizontally arranged on the independent supporting column, the adjustable jacking pieces are symmetrically arranged on the two sides of the bearing piece in parallel, and the rubber grout stopping pressing plates are arranged on the end faces of the tops of the adjustable jacking pieces correspondingly and used for abutting against a gap in the seam between the post-pouring formwork and the laminated slab. And the horizontal steel pipe is simultaneously and fixedly connected with the independent support and the adjustable jacking through a bowl buckle structure. According to the structure, the supporting stability of the independent supporting columns at the post-pouring slab joint to the formwork can be improved, and the phenomenon of slurry leakage at the post-pouring slab joint during pouring construction is prevented.

The invention discloses an assembly type building structural plate component and a building joint with bolts obliquely arranged, and relates to the technical field of assembly type constructions.The assembly type building structural plate component comprises a structural plate body and polygonal components fixedly arranged at the side ends of the structural plate body, and corners are formed on the two sides and the side ends of the polygonal components correspondingly; the polygonal components are located between the corners on the two sides and the side ends of the structural plate body, connecting edges are formed between the corners on the two sides and the corner on the side away from the structural plate body respectively, and concave parts are arranged at the corners respectively. Any corner of the polygonal component of one structural plate component abuts against any corner of the polygonal component of the other structural plate component, V-shaped included angles used for installing connecting pieces are formed on the two sides of the two corners which abut against each other respectively, and a cavity used for installing a sealing strip is formed between the concave portions of the two corners which abut against each other. The assembly efficiency of the assembly type building is improved, and meanwhile the water stopping effect of assembly is improved.

This invention provides a water-stopping device, relating to the field of building waterproofing technology. The water-stopping device includes a water-stopping steel plate and a drain pipe arranged along the length of the water-stopping steel plate. The drain pipe has a drain outlet along its length, allowing groundwater that has seeped onto the upper surface of the water-stopping steel plate to flow into the drain outlet. By installing this water-stopping device, the water-stopping steel plate can be used to seal the interface joint between pre- and post-cast concrete. If the water-stopping steel plate fails to stop the water flow, and the seeping groundwater flows from the interface joint between the water-stopping steel plate and the concrete to the upper surface of the water-stopping steel plate, the seeping groundwater will flow into the drain pipe through the drain outlet and then into a nearby sump. This prevents groundwater seeping through the concrete interface joint from leaking onto the basement floor surface, making the water-stopping device an integrated blocking and draining system with multiple lines of water-stopping defense, significantly improving the water-stopping effect at the post-cast concrete joint.