1367 results about "Shear wall" patented technology

Disclosed in the present application is a cast-in-place prefabricated building formwork component suitable for columns or beams, comprising a columnar formwork and stirrups fixed to the formwork; the upper and lower ends of the formwork are provided with connection fitting parts that fit adjacent formworks; the formwork is defined by steel plates; the stirrups are jointly formed by the steel plates and rod-shaped members fixedly connected to inner side surfaces of the steel plates. In addition, further disclosed in the present application are a cast-in-place prefabricated building shear wall component and a cast-in-place prefabricated building floor slab component. A stress test result proves that structures such as columns and beams formed by the cast-in-place prefabricated building formwork component in the present application can have a better constraint effect on concrete cast inside, and particularly increase a constraint area, thereby improving the overall shear resistance and bearing capacity of buildings, and having great significance for seismic resistance of the buildings in earthquakes.

The invention discloses an edge member reinforcing steel bar staggered connection full-prefabricated shear wall structure system and a construction method thereof, the upper area of an edge member and a middle wallboard form an integrated prefabricated structure to form a prefabricated part of the edge member, and a cast-in-place cavity with a trapezoidal section is reserved in the lower area of the edge member; the compactness of concrete in a cast-in-place cavity can be effectively improved, so that the connecting strength of two adjacent layers of prefabricated shear walls is improved, meanwhile, a connecting beam joint groove is reserved in the top of the edge component, and a connecting beam can be erected in the connecting beam joint groove, so that the in-place precision and the construction efficiency of the connecting beam are improved, and the construction cost is reduced. The butt joint structures of the prefabricated shear walls on the same layer are rapidly connected with the embedded parts at the side ends of the prefabricated wall bodies, effective connection of the wall bodies on the same layer is achieved, all components are prefabricated, on-site wet construction is reduced to the maximum extent, full-prefabricated building of the shear wall structure is formed, and the construction efficiency and quality are improved.

The invention discloses a quasi-static loading system for plane local loading and a loading method of the quasi-static loading system, and aims to solve the problem that a processing method for accurately simulating a complex stress state of a shear wall under an equipment anchoring effect does not exist at present. A bottom-arranged boundary fixing piece is arranged at the bottom of a counter-force portal, and an out-of-plane local load loading assembly is arranged on the top surface of the bottom-arranged boundary fixing piece; the vertical loading piece and the in-plane horizontal transverse loading assembly are arranged in the counter-force portal frame, a placing part matched with a test piece is formed between the bottom side of the loading beam and the top surface of the bottom boundary fixing piece, the two horizontal actuators are arranged at the two ends of the loading beam respectively, one end of each horizontal actuator is connected with the loading beam, and the other end of each horizontal actuator is connected with the in-plane horizontal transverse loading assembly. The other end of each horizontal actuator is arranged on the inner wall of the side part of the counter-force gantry; the quasi-static force loading method comprises the following steps: performing preset vertical axial force application, prestress tension grading and / or supplementary tension treatment on a test piece according to preset requirements, and then performing horizontal cyclic loading until the bearing capacity of the test piece is reduced to 85% of a peak load, and terminating the loading process.

Provided in the present invention are a prefabricated shear wall and a building room module including same. The prefabricated shear wall comprises a lightweight formwork assembly, a steel skeleton and embedded columns, wherein the steel skeleton comprises a plurality of horizontal connecting members arranged in parallel in the direction of the height of the prefabricated shear wall and a plurality of vertical reinforcing bars penetrating the horizontal connecting members, the horizontal connecting members being configured to provide the stiffness for the building room module when the prefabricated shear wall serves as a wall structure of the building room module. For the prefabricated shear wall and the building room module including same provided in the embodiments of the present invention, using the lightweight formwork assembly can greatly reduce the amount of steel used and the weight of the shear wall, thereby avoiding corrosion prevention and electron shielding problems. Moreover, because the horizontal connecting members and the vertical reinforcing bars are used in the steel skeleton, the problem of a traditional reinforcement cage skeleton structure being difficult to connect to a lightweight formwork assembly and embedded columns is solved; and when the prefabricated shear wall serves as a prefabricated part of a wall structure of the building room module, the horizontal connecting members can provide enough stiffness for the building room module after concrete pouring.

The utility model provides a concrete shear wall with prefabricated steel reinforcement frameworks and UHPC (Ultra High Performance Concrete) templates, which comprises at least two steel reinforcement frameworks, a steel reinforcement connecting cage for connecting the upper and lower steel reinforcement frameworks, and UHPC plates connected to the peripheries of the steel reinforcement frameworks, concrete is poured between the UHPC plates; the connecting points of the steel reinforcement framework are welded, so that the whole steel reinforcement framework can be independently stressed, and the overall supporting strength is enhanced; the welding of the two edge member reinforcement cages can provide support during the welding of the middle part main body reinforcement cage; uHPC has the advantages of being high in strength, good in durability, good in impermeability and the like, and the problems of cracking, corrosion and the like of the shear wall can be effectively prevented when the UHPC is used as a permanent formwork of the shear wall; meanwhile, the steel reinforcement framework of the concrete shear wall and the UHPC board are manufactured into a whole in a factory prefabrication mode, direct pouring can be achieved only by erecting a side face formwork after site hoisting is conducted in place, and the site construction process is greatly reduced.

The invention discloses a pre-pressing disc spring self-resetting variable-friction reinforced concrete shear wall which comprises a reinforced concrete wall body part, an inverted triangular support for bearing the reinforced concrete wall body part and a self-resetting variable-friction energy consumption unit. Each self-resetting variable-friction energy dissipation unit comprises an axis tube, an outer groove, square steel and an axial belleville spring set, wherein a T-shaped connecting plate is welded to one end of the axis tube, the axis tube penetrates through the middle of the outer groove, a T-shaped connecting plate is welded to the lower end of the outer groove, the square steel is placed in the middle of the outer groove, a round hole is formed in a top steel plate of the square steel, and the axis tube penetrates through the middle of the axial belleville spring set. The axial belleville spring set is arranged on the square steel, the force bearing supporting plate is used for transmitting the pre-pressure of the axial belleville spring set, the connecting nut is used for locking the pre-pressure of the axial belleville spring set and connecting the square steel and the axis tube, the friction plate is clamped by the square steel and the steel plate on the side face of the outer groove, and the double-concave steel plate is arranged on the side face of the outer groove. And the lateral belleville spring group is arranged on the outer side surface of the double-concave steel plate.

The invention provides a construction project quality detecting and monitoring method and system, and relates to the technical field of data processing.The method comprises the steps that spatial positioning sensors are deployed at steel structure beam column welding joints, a concrete core shear wall root pouring area and a curtain wall top cantilever connecting end; welding acoustic emission frequency domain signals of beam-column joints, concrete vibration energy distribution waveforms of the root of the shear wall and dynamic load stress spectrums of the cantilever connecting ends are collected respectively, and a spatial heterogeneous original data set is generated; acquiring three-dimensional coordinates of positioning sensors on a steel structure beam column welding node, a concrete core shear wall root pouring area and a curtain wall top cantilever connecting end so as to construct a dynamic space reference frame, and calculating a deformation feature vector of the dynamic space reference frame; the deformation feature vector comprises a reference frame area change gradient value, a frame side vector fluctuation coefficient and a space included angle offset entropy value. According to the invention, the real-time performance of construction project quality monitoring is improved.

The invention discloses a UHPC formwork interlocking type shear wall and a construction method thereof.The construction method comprises the following steps that S1, a first shear wall and a second shear wall are prefabricated, and a UHPC formwork is installed at the end of the second shear wall; s2, configuring a combination relationship between the reinforcement cage and the shear wall based on the target structure form; s3, the end, away from the second shear wall, of the UHPC formwork is in positioning butt joint with the extending part of the first shear wall, and a formwork cast-in-place cavity is formed; and S4, concrete is poured into the cast-in-place cavity of the formwork, and curing and forming are conducted after vibrating and compacting are conducted. The structure is simple, UHPC is adopted as a permanent formwork to replace a traditional detachable formwork, on-site formwork-erecting-free construction is achieved, the formwork mounting and dismounting procedures in traditional cast-in-place shear wall construction are thoroughly omitted, and the construction period is shortened by 30% or above; and in combination with a hoisting-pouring two-stage construction process, mold-free and binding-free construction of the edge structure area is further achieved, and the overall construction efficiency is improved by 40% or above.

The invention discloses a double-beam and shear wall connecting structure in a modular building and a construction technology, the double-beam and shear wall connecting structure is provided with two shear walls and two superposed beams which are arranged in parallel, each superposed beam comprises a precast beam and a beam cast-in-place concrete layer, edge members are arranged at the two ends of each shear wall, and part of reinforcing steel bars of the superposed beams are anchored into the shear walls; connecting gaps are formed between the two shear walls and between the two prefabricated beams respectively, beam end cast-in-place areas are arranged at the ends, close to the shear walls, of the prefabricated beams, the beam end cast-in-place areas are the positions where plastic hinges are located, and the beam end cast-in-place areas of the two prefabricated beams communicate with each other. The concrete of the beam end cast-in-place area, the beam cast-in-place concrete layer and the connecting gap is poured together on site. According to the structure, the overall continuity can be better guaranteed, stronger overall connection is formed between the beam and the shear wall, and better toughness and ductility can be provided.

The invention discloses a prefabricated shear wall, a building module, a modular building system and an assembly method. The prefabricated shear wall comprises a wall body, at least two steel pipes and at least two bearing grooves. The wall body is used for being vertically placed, the steel pipes are embedded in the wall body, the steel pipes vertically extend and are spaced in the horizontal direction, and the steel pipes downwards extend out of the wall body by a preset length. The bearing grooves are formed in the wall body, the bearing grooves and the steel pipes are correspondingly arranged in the height direction of the wall body, the bearing grooves are located above the corresponding steel pipes, and openings of the bearing grooves face upwards and vertically extend downwards by a preset depth. The prefabricated shear wall can be prefabricated in a factory and cast-in-place, connected and fixed, operation is easy, and the building efficiency is high. The prefabricated shear wall can be stacked up and down for construction, the upper-layer wall body and the lower-layer wall body are connected through the steel pipes, compared with traditional steel bar connection, higher shear resistance is provided for a building structure, and the requirement for modular or fabricated construction of a super high-rise building can be met.

The application relates to the technical field of building engineering, in particular to a mixed lateral force resisting structure system of a residential building, which comprises a transverse support system, a vertical support system and a connecting mechanism, the transverse support system comprises frame beams and full-rib prefabricated floors connected with each other, the frame beams are arranged along the outer edges of the full-rib prefabricated floors; the vertical support system comprises flat columns and composite shear walls, the flat columns are connected with each other at the bottom of the full-rib prefabricated floors, and the frame beams and the full-rib prefabricated floors are both connected with the composite shear walls; the connecting mechanism is used for connecting the transverse support system and the vertical support system. The mixed lateral force resisting structure system of the residential building has the technical effects of improving the bearing capacity and stability of the mixed lateral force resisting structure system of the residential building, facilitating construction and wiring and the like.

The utility model discloses a shear wall multi-dimensional parameter detection device which comprises a bottom plate and bottom moving wheels, a lifting mechanism is arranged on the bottom plate, a transverse plate is installed on the lifting mechanism in a lifting mode, the transverse plate is provided with a left-right transverse moving mechanism, and a sliding block on the transverse plate can move left and right. The sliding block is fixedly provided with a mounting plate, a first cylinder barrel and a second cylinder barrel are arranged on the plate, the second cylinder barrel is preposed and internally penetrates through an impact rod, and the front end of the second cylinder barrel extends out and is fixedly connected with a ferromagnetic first impact head. The front end face of the second cylinder barrel is provided with a magnet and a cushion. A piston block is fixedly connected to the front end of the sliding shaft in the sliding bin, and a second impact head is arranged at the front end of the piston block. The front end and the rear end of the sliding shaft are fixed to the piston block and the bin wall respectively. When the spring is in an original state, the piston block does not touch the front bin wall, and the second impact head enters the front hole and is spaced from the impact rod. And the rear end of the sliding shaft is connected with a connecting plate. A telescopic air cylinder is further arranged on the mounting plate, a rod of the telescopic air cylinder extends backwards to abut against the connecting plate, the impact strength and position are controlled by adjusting the telescopic air cylinder, and multi-dimensional accurate detection of the shear wall is achieved.

The invention discloses a modular self-locking shear wall capable of being rapidly assembled and an assembling method. The shear wall comprises wall body units, a first connecting piece and a second connecting piece, the first connecting piece and the second connecting piece are arranged between every two adjacent wall body units, and the first connecting piece is used for butt joint and locking between every two adjacent wall body units; the second connecting pieces are used for connecting the two adjacent wall units into a whole under the action of concrete; the fabricated shear wall is reasonable in structural design and high in safety and reliability, rapid and accurate butt joint between the two vertically-adjacent wall body units can be achieved through the first connecting pieces, self-locking connection between the two vertically-adjacent wall body units can also be achieved, and the fabricated shear wall is high in practicability. And concrete is poured between every two adjacent wall body units in the horizontal direction, so that every two adjacent wall body units are fixedly connected under the action of the steel bar rings and the concrete, and the assembling convenience and the structural stability of the shear wall are effectively improved.

The invention discloses an interface enhanced composite shear wall based on a high-ductility cement-based material. The high-ductility cement-based composite materials are formed in edge constraint areas on the two sides of the shear wall, and the common concrete is formed in a core area in the middle of the shear wall. The interface separation net is a high-strength ribbed non-dismantling formwork net and is vertically arranged at the junction of the edge constraint area and the core area, the section of the interface separation net is in a periodic concave-convex wave shape or a stepped shape, and a macroscopic mechanical meshing interface is formed. The interface seaming ribs are U-shaped ribs and are horizontally arranged at the positions of the inter-rib slurry penetrating nets of the interface separation net in a penetrating mode, one ends of the interface seaming ribs are anchored to the edge constraint area common steel bars, and the other ends of the interface seaming ribs extend into the core area and are connected with longitudinal and transverse rib cross joints of the composite material grid ribs in a hooked mode; the problems of rigidity mutation and slippage of the heterogeneous material interface are solved by utilizing the geometric occlusion effect of the interface separation net and the anchoring effect of the deep bolt pins and joints of the interface sewing ribs, cooperative work of a high-ductility material and common concrete is achieved, and good anti-seismic performance is achieved.

The invention discloses a UHPC (Ultra High Performance Concrete) formwork-removal-free combined node linear coupling beam shear wall and a construction process thereof. The UHPC formwork-removal-free combined node linear coupling beam shear wall comprises a post-cast reinforced concrete shear wall, a UHPC formwork-removal-free, a laminated slab, a concrete-filled steel tube positioning bolt and a shear wall embedded column, the UHPC non-dismantling formwork comprises a non-perforated formwork body and a perforated formwork body, perforated steel plates are evenly pre-buried in the inner side of the non-perforated formwork body and evenly pre-buried in the inner side of the perforated formwork body, round holes are reserved in the corresponding positions of the perforated steel plates, one side of a screw sequentially penetrates through the round holes of the perforated formwork body and the perforated steel plates, and the screw is arranged between the perforated formwork body and the non-perforated formwork body. The other side of the screw rod is preliminarily fixed through a first nut on the inner side of the non-perforated formwork, and U-shaped shear nails are arranged on the inner side of the non-perforated formwork and the inner side of the perforated formwork. According to the UHPC formwork-removal-free combined type node linear coupling beam shear wall and the construction process thereof, on-site quick assembly sealing and precise assembly are achieved, the formwork removal procedure is omitted, the assembly rate is increased, and the later maintenance cost is reduced.

The invention belongs to the technical field of modular buildings, and particularly relates to a simplified modeling and optimal design method for a transverse connection node of a modular building. Comprising the steps that 1, parameters of a test piece are obtained, modeling is conducted through a layered shell unit, key calculation data are obtained, and a constitutive relation of a double-node unit is constructed; step 2, establishing an elastic-plastic finite element model of the high-rise modular shear wall structure; 3, carrying out elastic-plastic analysis on the model, recording structural response, and calculating damage parameters; and 4, judging whether to adjust the component design parameters or not according to the damage parameter limit value. According to the method, a double-node unit constitutive structure of bending / shearing behaviors is constructed through layered shell simulation data, a damage evaluation model under multistage earthquakes is established, the reinforcement ratio and the post-cast section width are optimized based on the damage overrun degree, and a closed loop of the construction model, structural analysis, damage evaluation and parameter optimization is formed. And a design platform with adjustable and controllable anti-disaster performance is provided for the high-rise modular building.

The utility model relates to the technical field of building construction, in particular to a shear wall steel bar protective layer cushion block spacing control measuring tool, which comprises a main ruler part, a first separation blade and a telescopic ruler part, one end of the extension ruler part is slidably inserted into one end, far away from the first separation blade, of the main ruler part, and a second separation blade is welded and fixed to the other end of the extension ruler part; the scale marks are arranged in front of the main ruler part and the telescopic ruler part; the first magnetic strip is pasted and fixed below the front surface of the main ruler part; the second magnetic strip is adsorbed in front of the first magnetic strip; one end of the main fixing band is fixedly connected with the second magnetic strip, and hook-and-loop fasteners are arranged at the two ends of the main fixing band; by improving the tool for controlling and measuring the distance between the cushion blocks of the reinforcing steel bar protective layer of the shear wall, the tool has the advantages that the cushion blocks are convenient to install, use and adjust, and the construction efficiency is improved, so that the problems and defects in the prior art and equipment are effectively solved.

To improve pull-out resistance of joints of tube columns forming a frame structure together with upper and lower steel beams in which load-bearing walls are incorporated, to the upper and lower steel beams so as to ensure sufficient earthquake resistance.SOLUTION: A building frame structure is provided with: upper and lower steel beams 2, 3; a pair of tube columns 4, 5 provided between the upper and lower steel beams 2, 3; and a load-bearing wall section 10 disposed inside a frame 1 comprising the upper and lower steel beams 2, 3 and the pair of tube columns 4, 5 and fixed to the upper steel beam 2 at its upper end and fixed to the lower steel beam 3 at its lower end. The upper and lower steel beams 2, 3 and the pair of tube columns 4, 5 are each connected by a frame connection member 6 provided across the steel beams 2, 3 and the tube columns 4, 5.SELECTED DRAWING: Figure 1

The invention relates to the technical field of constructional engineering, in particular to a temperature control anti-cracking process for mass concrete shear wall structural engineering. Comprising the following steps that raw materials of concrete are optimized, and the mix proportion of the concrete is determined; a layered and segmented pouring and alternate warehouse method is adopted for construction; the intelligent temperature control system is buried, and the temperature of the concrete is monitored in real time; after concrete pouring is completed, a dynamic heat preservation and maintenance process is carried out; dynamic stress release is carried out, stress monitoring and kerf release are carried out, and an early warning system is established; post-cast strip sealing and micro-expansion compensation are conducted; through the mode, the concrete temperature is accurately monitored in real time, the temperature change conditions inside and on the surface of the concrete are mastered in time, temperature control measures are dynamically adjusted according to actual temperature data, the temperature difference inside and outside the concrete is effectively controlled, and the crack problem caused by temperature stress can be effectively prevented.

The invention relates to a prefabricated wall, in particular to a technology for producing a hollow shear wall through a vertical forming device and the hollow shear wall. According to the adopted vertical forming device, firstly, a steel bar frame is placed in a forming area, steel bars of the steel bar frame stretch out of side molds, all components are fixed, and after a stable forming pouring cavity is formed, concrete is poured into the forming pouring cavity; before concrete is coagulated, a communicating groove is formed in the upper end face of the hollow shear wall through a groove mold, after the concrete is coagulated, a driving mechanism is used for driving side molds to move, and the hollow shear walls in all forming areas are sequentially taken out by continuously adjusting the number of middle molds connected with the side molds. The production of the hollow shear wall is greatly facilitated, the production difficulty and the labor intensity of personnel are reduced, and when the hollow shear wall produced by the process is used, not only can the structural strength of the joint of the hollow shear wall and other parts be effectively improved, but also the waterproof effect is achieved through the structure at the communicating groove.

The invention discloses a shear wall damper installation auxiliary structure and a using method, the shear wall damper installation auxiliary structure comprises a lifting trolley, the upper end of the lifting trolley is provided with a lifting platform, and the lifting trolley is provided with a fine adjustment platform and an adjusting mechanism used for driving and adjusting the height of the fine adjustment platform; the rotating platform and the transmission mechanism are arranged above the fine adjustment platform; the supporting plate piece is arranged on the rotating platform in a sliding mode, two placing arc plates are arranged on the supporting plate piece, and baffles are arranged at the ends, away from each other, of the two placing arc plates; the telescopic mechanism is arranged between the supporting plate and the rotating platform; according to the scheme, the installation process of the damper is different from the situation that the damper needs to be lifted by multiple constructors and is frequently adjusted at present, a large amount of labor force and time are saved, and the installation efficiency is high; and the installation process of the damper is more stable and accurate, collision and damage to the damper are greatly prevented, the installation quality and the using effect of the damper are improved, and high practicability is achieved.

The utility model relates to the technical field of composite shear walls, and particularly discloses an assembly type PEC recycled concrete beam column and steel plate composite shear wall which comprises a prefabricated column, a connecting plate is fixed to one side of the outer wall of the prefabricated column, a bearing plate is installed on one side of the connecting plate, and a prefabricated beam is fixed to the side, away from the connecting plate, of the bearing plate. A mounting hole is formed between the connecting plate and the bearing plate, and an assembling mechanism is arranged between the two precast beams; the splicing mechanism comprises a clamping groove, the clamping groove is formed in one side of the outer wall of the prefabricated beam, a sliding groove is formed in one side of the clamping groove, and the prefabricated shear plate can be located between the prefabricated beams through the prefabricated column, the connecting plate, the prefabricated beam, the bearing plate, the clamping groove, the sliding groove, the prefabricated shear plate and a sliding block in cooperation with a positioning groove, a positioning block and a material injection opening. And the situation that the labor intensity is increased while the assembling efficiency is low due to the fact that a plurality of bolts are used for fixed installation is avoided.

To provide a wooden load bearing wall having high deformation performance and excellent earthquake energy absorption performance.SOLUTION: In a wooden load bearing wall 100, wooden load bearing panels 40 are attached to a pair of cross members 20 in a frame 30 composed of a pair of columns 10 and a pair of beams 20 or cross members including a foundation. The load bearing panels 40 include connecting panels 40A and restraining panels 40B. The connecting panels 40A are arranged with a gap G between first ends 42 at left and right sides of the connecting panels 40A and the pair of columns 10. The first ends 42 and side surfaces 11 of the pair of columns 10 are each joined by steel dampers 50 arranged in the gap G. The steel dampers 50 are sandwiched between a pair of restraining panels 40B arranged in the gap G.SELECTED DRAWING: Figure 1

The invention discloses a fabricated concrete shear wallboard structure which is characterized in that a concave-convex tenon-and-mortise structure is arranged at the joint of the lower end of a shear wallboard, a grouting sleeve is pre-buried in the concave position of the tenon-and-mortise structure, a corresponding tenon-and-mortise structure is arranged on a floor, and a reinforcing steel bar is reserved at the convex position; the grouting sleeves are matched with the reserved steel bars, and a column body is formed in the grouting sleeves of the shear wall plate through grouting. According to the fabricated concrete shear wallboard structure, the concave-convex positions of the tenon-and-mortise structures of the floors and the shear wallboards are arranged in a one-to-one correspondence mode so that connection can be facilitated, the contact area of the tenon-and-mortise structures can be increased, and the friction force between the adjacent shear wallboard components and the floors can be increased; therefore, the connecting strength of the connecting position of the assembly type shear wall plate component is improved. A plurality of groups of grouting sleeves are pre-buried in the prefabricated shear wall plate, so that grouting is smoother when a constructor installs the prefabricated shear wall, prestressed reinforcement tensioning is more convenient, the connection mode is convenient to construct, the construction period can be shortened, and high engineering quality is guaranteed.

The utility model belongs to the technical field of building equipment, and particularly relates to an assembly type shear wall mounting device which comprises an upper mounting mechanism, a lower mounting mechanism and a spring, the upper mounting mechanism comprises an upper mounting main body pipe, a mounting hole connecting part and a flange connecting part, and the lower mounting mechanism comprises a lower mounting main body pipe and a horn-shaped positioning piece. The upper end of the upper mounting body pipe is detachably connected with the mounting hole connecting part, the lower end of the upper mounting body pipe is fixedly connected with the flange connecting part, the upper mounting body pipe is slidably connected with the lower mounting body pipe in the vertical direction, the upper end of the spring is detachably connected with the upper mounting body pipe, and the lower end of the spring is detachably connected with the lower mounting body pipe; compared with the prior art, the device has the advantages and positive effects that the accurate alignment of the reinforcing steel bars and the mounting holes of the fabricated shear wall is ensured, and compared with positioning directly through the reinforcing steel bars and the positioning holes, the observation is visual, and the construction efficiency is high.

The invention discloses a shear wall structure with oppositely-pulled laminated plates on the two sides and a technological method, and belongs to the technical field of modular constructions.The shear wall structure comprises a first wall plate and a second wall plate, and the opposite sides of the first wall plate and the second wall plate are each fixedly provided with a part to be locked; and when the first wall plate and the second wall plate are oppositely spliced, the locking piece extends into the space between the first wall plate and the second wall plate and locks the to-be-locked parts on the two sides. The scheme has the beneficial effects that the first wall plate and the second wall plate are manufactured separately, and can be quickly connected on site through the locking piece without being limited by an operation space; on the premise of not additionally increasing the rigidity and thickness of the wallboards, the wallboards on the two sides and the cast-in-place concrete part form a tightly connected whole at the same time, and connection is reliable; compared with a prefabricated module shear wall, the double-wall problem is solved, and the weight is reduced; and compared with a double-skin laminated shear wall, complete prefabrication in a factory is not needed, the overturning production process and site are simplified, and the cost is lower.

The invention discloses a shear wall formwork of a modular building and a construction method, the two ends of the shear wall formwork are respectively provided with an edge constraint component, the middle of the shear wall formwork is provided with a non-edge constraint component, and the edge constraint components and the non-edge constraint component adopt a horizontal connection method with different strengths. The edge constraint components are connected through steel component tie devices with high bearing capacity, reinforced concrete slurry is poured, the non-edge constraint components are connected through steel bar tie devices, and concrete slurry is poured, so that the integrity and the connection strength of horizontal connection of the shear wall formwork can be effectively improved, and the shear wall formwork is high in strength. And meanwhile, the problem that the bearing capacity of a modular building shear wall is reduced due to internal through joints is solved, the horizontal connection efficiency and the overall performance of the shear wall formwork can be remarkably improved, the anti-seismic property of the high-rise concrete module shear wall is improved, and the engineering quality risk is reduced.

The invention provides a fabricated shear wall structure and a construction method thereof, and relates to the technical field of construction.After a lower prefabricated wall is installed and fixed, a prefabricated beam is hoisted, a beam end connecting assembly at the end of the prefabricated beam is connected with a lower wall top connecting assembly arranged at the top of the lower prefabricated wall, and a prefabricated floor slab can be hoisted after connection is completed; the prefabricated floor slab is placed on the top of the prefabricated beam or the lower prefabricated wall, then the upper prefabricated wall is hoisted, the upper wall bottom connecting assembly on the upper prefabricated wall is connected with the lower wall top connecting assembly, and therefore connection of the prefabricated beam, the upper prefabricated wall and the lower prefabricated wall is completed. Continuous and rapid assembly construction can be achieved, the construction period is effectively shortened, and the technical problems that in the prior art, grouting sleeves are adopted for connection between prefabricated concrete floors and shear walls and connection between beams and shear walls, the construction period is long, and temporary supporting structures need to be additionally used are solved.

The embodiment of the invention discloses a gap detection method, a gap detection system and a gap detection device. A specific embodiment of the method comprises the following steps: carrying out marking plate positioning on ground images in a ground image group to obtain a marking plate position group; according to the position set of the marking plates and the preset height, the inclined supporting assemblies are controlled to conduct position fine adjustment on the overlapped prefabricated shear wall; in response to completion of position fine adjustment, after a preset injection amount of concrete filler is injected into the laminated prefabricated shear wall in a layered manner, ultrasonic scanning and infrared image acquisition are performed on the laminated prefabricated shear wall; and according to the ultrasonic signal, the infrared image and a pre-trained joint part gap positioning model, generating joint part gap information. According to the implementation mode, accurate identification and positioning of the gap possibly existing in the joint part of the laminated prefabricated shear wall and the concrete filler are achieved.

The invention provides a reinforcing steel bar positioning and stabilizing frame for reinforced concrete pouring, and relates to the technical field of building components, the reinforcing steel bar positioning and stabilizing frame comprises a stabilizing assembly, the stabilizing assembly is composed of a supporting rod and a positioning mechanism, and the stabilizing assembly can be constructed along with the binding procedure of a reinforcing steel bar mesh, so that the reinforcing steel bar mesh does not need to be specially supported and elevated subsequently; the operation process is simplified, the construction efficiency is greatly improved, meanwhile, reinforcement meshes at the deep positions in the formwork of the shear wall and other components can be heightened and supported, the quality defects of reinforcement exposure, insufficient thickness of a protection layer and the like after pouring are avoided, and the problem that in existing reinforced concrete construction, the construction cost is low is solved. The arrangement of cushion blocks or supporting frames usually lags behind the procedures of steel bar binding and formwork erecting and cannot be completed along with synchronous binding of steel bars, so that the cushion blocks are difficult to go deep into the inner sides of formworks of shear walls and other components to accurately block up the steel bars, and the problems that the steel bars are exposed and the thickness of a protective layer is insufficient after the parts are poured are easily caused.