915 results about "Shear wall" patented technology

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 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 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 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.

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 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 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 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.

The utility model provides a special-shaped steel pipe column and support combined shear wall, and relates to the technical field of assembly type buildings, the special-shaped steel pipe column and support combined shear wall comprises special-shaped steel pipe columns and framework girders, the framework girders are arranged between two adjacent special-shaped steel pipe columns, the upper ends and the lower ends of the special-shaped steel pipe columns are used for supporting floors, the special-shaped steel pipe columns comprise square columns and a plurality of U-shaped columns, webs used for positioning and abutting against the two ends of the U-shaped column are arranged on the side portions of the square column. According to the special-shaped steel pipe column and support combined shear wall, the square column serves as the central section, the U-shaped columns are welded in the direction perpendicular to the four webs of the square column to form the special-shaped steel pipe concrete columns and the beam columns, space arrangement is flexible, the component finished product is high, the beam columns effectively improve the structural rigidity, and the use area rate of a building is high.

The utility model relates to basement outer wall water stop steel plate place exempts from cutting exempts from reinforcing's assembly type stirrup, including upper ellipse hoop, lower ellipse hoop, stand hoop, sleeve, telescopic adjusting lever, round cake shape steel clamp plate, single limb mountain type muscle, water stop steel plate, be provided with many stand hoops between upper ellipse hoop and lower ellipse hoop, the outside of stand hoop is provided with the sleeve, and single limb mountain type muscle is connected with stand hoop through the sleeve, the inside of every stand hoop is provided with telescopic adjusting lever, and the end of telescopic adjusting lever is fixed round cake shape steel clamp plate, water stop steel plate inserts the cavity that upper ellipse hoop, lower ellipse hoop, stand hoop enclose, and round cake shape steel clamp plate is located at both sides of water stop steel plate, and the round cake shape steel clamp plate of water stop steel plate both sides is close to water stop steel plate. The utility model basement outer wall water stop steel plate place stirrup adopts assembly type stirrup structure, can effectively avoid the collision problem of the steel bar of basement outer wall and shear wall edge component or frame column intersection, guarantees water stop effect.

The invention discloses a construction structure and a construction method of a secondary structure assembly type wall pier, the construction structure comprises an assembly type wall pier, a shear wall, a top plate, a bottom plate, a screw rod component and a clamping piece, the side edge of the assembly type wall pier is connected with the shear wall through the screw rod component, and the upper part of the assembly type wall pier is connected with the top plate through the clamping piece; and a triangular wooden wedge is arranged between the lower part of the fabricated wall pier and the bottom plate. The prefabricated wall pier has the beneficial effects that the prefabricated wall pier is adopted and prefabricated in advance, the reinforcing nut is pre-embedded in the main body structure in advance, the PVC sleeve is pre-embedded in the prefabricated wall pier, and during secondary structure construction, the PVC sleeve of the prefabricated wall pier is aligned with the pre-embedded nut of the main body structure and is connected with the pre-embedded nut of the main body structure through the harness cord screw; a gasket and a fastening nut are screwed and reinforced in a horn mouth on the outer side of the assembly type wall pier, a bedding mode is adopted for fixing a floor, and a U-shaped clamp and a shoot nail are adopted for reinforcing the bottom of a beam plate; the problems that the formwork is difficult to reinforce, time-consuming and labor-consuming during construction of the small door buttress are solved; site construction is convenient, and the construction period is shortened.

This invention discloses a construction structure for the rapid installation of basement escalators under complex conditions. The structure includes an underground space, a "gate"-shaped prefabricated bracket fixed to the top of a concrete roof slab, an electric hoist installed on one side of an underground shear wall, the hoist being connected to a first chain passing through the "gate"-shaped prefabricated bracket and the escalator installation hole, a pulley system hoisted onto the "gate"-shaped prefabricated bracket, the pulley system being connected to a second chain passing through the escalator installation hole, and a universal wheel sliding plate at the bottom of the escalator. This invention also discloses a construction method for the rapid installation of basement escalators under complex conditions, including: 1. fixing the "gate"-shaped prefabricated bracket with guy ropes; 2. placing the universal wheel sliding plate at the bottom of the rear end of the escalator; 3. installing the electric hoist and the first chain on the underground shear wall; 4. simultaneously releasing the pulley system while the electric hoist pulls the escalator forward; S5. the escalator is installed in place. This invention solves the problems of lack of cranes and limited installation workspace in basements, and can be widely applied in underground construction.

The invention relates to the field of grouting quality detection, in particular to an assembly type shear wall sleeve grouting quality detection device and method. Comprising a tester shell which is provided with two notches; the driving mechanism is arranged in the tester shell and comprises a driving motor and a driving main shaft driven by the driving motor; the two groups of transmission belts are arranged on the driving main shaft; the two groups of knocking force storage mechanisms are respectively connected with the two groups of transmission belts and are distributed in an axial symmetry manner by taking the circle center of the driving main shaft as an axis; the knocking limiting mechanism is arranged in the notch; the pushing mechanism is fixedly mounted at the front end of the driving main shaft and is used for changing the knocking position of the knocking limiting mechanism; the sound source collecting mechanisms are arranged on the upper side and the lower side of each notch. High-precision impact detection is achieved through the synchronous knocking mechanism, detection point positions are automatically switched, and the acoustic analysis precision and the detection efficiency of the sleeve grouting quality are improved.

The application provides a circular shear wall-spiral anchor composite structure foundation and a construction method, and belongs to the technical field of electric power engineering.The upper reinforced concrete slab and the lower reinforced concrete slab are respectively located at the upper part and the lower part of the circular shear wall foundation, the prestressed longitudinal tendon is located in the circular shear wall foundation and is connected with the flange plate of the steel pipe pole through the foundation bolt after penetrating through the upper reinforced concrete slab; the anchor rod of the spiral anchor is connected with the spiral anchor joint after penetrating through the lower reinforced concrete slab, the bottom of the prestressed longitudinal tendon is connected with the spiral anchor joint, and the spiral anchor joint is connected with the spiral anchor joint reinforcing bar embedded in the circular shear wall foundation; the application can effectively reduce the foundation burying depth, thereby reducing the amount of reinforced concrete, reducing the excavation depth, and reducing the construction cost, the labor cost and the transportation cost.

The application provides an assembled shear wall structure and a construction method thereof, and relates to the technical field of buildings. After the installation and fixation of a lower prefabricated wall are completed, 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, after the connection is completed, the prefabricated floor is hoisted, the prefabricated floor is placed on the prefabricated beam or the top of the lower prefabricated wall, then an upper prefabricated wall is hoisted, an upper wall bottom connecting assembly on the upper prefabricated wall is connected with the lower wall top connecting assembly, thereby the connection of the prefabricated beam, the upper prefabricated wall and the lower prefabricated wall is completed, the installation process does not need to set a temporary support and wait for the strength formed by post-poured concrete, the continuous and rapid assembly construction can be realized, the construction period is effectively shortened, and the technical problem that the connection between the prefabricated concrete floor and the shear wall, the beam and the shear wall in the prior art needs to use a grouting sleeve connection construction period which is long and needs to use an additional temporary support structure is solved.

The hoisting device comprises a bearing seat, positioning frames are arranged on the front face and the rear face of the top of the bearing seat in a sliding mode, the bearing seat bears the steel reinforcement framework, and the bottoms of the front face and the rear face of the steel reinforcement framework are positioned through the positioning frames; the bottom of the lifting frame is spliced with the top of the bearing seat; and the stabilizing mechanism is used for stabilizing the steel reinforcement framework on the bearing seat, and the stabilizing mechanism comprises supporting blocks symmetrically arranged at the top end of the interior of the lifting frame, stabilizing pieces arranged at the bottoms of the supporting blocks in a swinging mode and a plurality of clamping pieces used for connecting the steel reinforcement framework with the stabilizing pieces. The shear wall steel reinforcement framework is effectively borne, stabilized, positioned and hoisted, meanwhile, deformation of the outer surface of the shear wall steel reinforcement framework is prevented, and the technical effect that the hoisting process is safe and reliable is guaranteed.

The present application relates to the technical field of workpiece machining, and discloses a load-bearing workpiece machining device for laminated shear walls, which comprises a shell, an opening and closing door, a main shaft box, a power supply device body and a cooling supply device body, and the inner wall front side middle part of the shell is fixedly connected with an operator. In the present application, the machining stability is greatly improved through double clamping and accurate positioning of the load-bearing workpiece. The device integrates a horizontal clamping assembly and a vertical clamping assembly. The horizontal clamping assembly is driven through the meshing transmission of a rack, a positioning gear and another rack to realize synchronous centering and clamping of two clamping plates. The vertical clamping assembly is driven through the synergistic effect of a meshing plate, another meshing plate, a gear and another gear to uniformly apply force to two clamping plates. The double clamping structure locks the workpiece from two directions, and cooperates with the guidance and positioning of a limiting rod, another limiting rod, a limiting plate and another limiting plate to effectively offset the offset force generated by cutting vibration, so that the workpiece does not move and deform during the machining process.

The application discloses a method for extracting internal points of shear walls for judging the position relationship of shear walls, comprising the following steps: obtaining the graphic elements of shear walls, and extracting the maximum closed curves of the shear walls; obtaining the bounding box according to the maximum closed curves, and obtaining the center point of the bounding box; judging the position relationship between the center point of the bounding box and the corresponding maximum closed curve, and obtaining the internal points of the shear walls; if the center point is inside the maximum closed curve, the center point of the bounding box is the internal point; if the center point is on one side of the maximum closed curve or outside the maximum closed curve, the center point is adjusted to the inside of the maximum closed curve, and the internal points of the shear walls are obtained. The application also discloses a method for judging the position relationship of shear walls, which judges the position relationship of two shear walls according to the position relationship between the internal points of the two shear walls and the maximum closed curve of another shear wall. The method solves the problem that the method for judging the position relationship of two shear walls through the center point of the bounding box is not accurate.

The utility model provides an assembly type shear wall upper and lower layer vertical connection node, which relates to the technical field of shear walls, and comprises a plurality of groups of shear wall units connected with each other, each shear wall unit comprises an inner wall plate and an outer wall plate, a transverse rib is arranged between each inner wall plate and each outer wall plate, and a connecting piece is connected between the upper and lower adjacent shear walls. The connecting piece comprises a lower baffle, a first drag hook is connected to the lower baffle, a pull rod is fixedly connected to the top of the lower baffle, a threaded section is arranged at the upper end of the pull rod, a second drag hook is connected to the upper baffle, and a nut used for tightening the distance between the upper baffle and the lower baffle is in threaded connection with the threaded section. According to the design, the connecting pieces are adopted as connecting joints between the upper shear wall unit and the lower shear wall unit, the transverse bars between the upper shear wall unit and the lower shear wall unit are tied, the connecting mode is more efficient and faster, a steel framework can be formed in the subsequent pouring process, the connecting strength between the vertical shear walls is firmer, and the shear resistance is better.

The application discloses a type steel beam shear wall system which is easy to process, assemble, decorate and bear stress, and relates to the technical field of building engineering, and comprises the following steps: hollow type steel beam framework, which comprises at least three type steel columns arranged at intervals along the same horizontal direction and a plurality of inter-column plates arranged at intervals along the radial direction of the type steel columns; and plain concrete, which covers the hollow type steel beam framework, wherein the thickness of the plain concrete on the outer side of the framework is 20-50 mm; and the two ends of the type steel column respectively extend out of the outer part of the plain concrete to form anchoring sections. The application solves the problems of the existing building engineering, such as poor stress system, non-dense sleeve grouting at the connecting part, insufficient node stress and seismic performance, the need of fireproof paint in the steel-concrete composite structure system, long construction period, high cost and difficulty in decoration.

The application relates to the technical field of building information model construction, in particular to a parameterized modeling method of a fabricated shear wall BIM structure. The method obtains actual spatial positions, actual stresses, bottom areas, reference spatial positions and reference stresses of the fabricated shear wall; according to the included angle between each fabricated shear wall and its adjacent fabricated shear wall in each construction layer, the difference between the actual stresses and the reference stresses of the adjacent fabricated shear wall, the difference between the actual spatial positions and the reference spatial positions of the adjacent fabricated shear wall and the bottom area of the fabricated shear wall, the layer internal error degree of the construction layer is obtained; according to the layer internal error degree of each construction layer and the difference between the layer internal error degree of the lower construction layer and the layer internal error degree of the lowest construction layer, the comprehensive error degree of the construction layer is obtained to mark the high-risk construction layer. The application accurately marks the high-risk construction layer, realizes accurate identification and visualization of construction errors, and is beneficial to timely management and control of the construction errors.

A prefabricated shear wall multifunctional steel bar limiting device comprises a customized mold table, multiple sets of fixed pedestals are symmetrically arranged on the front, back, left and right sides of the edge of the customized mold table in the radial direction, a height adjusting rod is fixed to each fixed pedestal, and a movable pedestal is in sliding fit with the height adjusting rods and is locked through a locking assembly. According to the multifunctional reinforcing steel bar limiting device for the prefabricated shear wall, the horizontal distance between reinforcing steel bars on the same layer can be accurately positioned, the vertical distance between the reinforcing steel bars on the upper layer and the lower layer can be effectively adjusted, and the reinforcing steel bar binding quality and efficiency are improved; in the concrete vibrating process, displacement deformation of the reinforcing steel bars can be effectively limited, the production quality of the pre-supporting shear wall is guaranteed, and multiple purposes, repeated utilization and combined use are achieved.

The utility model is suitable for the technical field of building walls, and provides a cast-in-place shear wall which comprises a base plane, two first construction parts and two second construction parts. The two first building parts and the two second building parts are matched to be built at the top of the base face to form a pouring space, the sides, close to the pouring space, of the two first building parts are each provided with a plurality of bearing and hanging steel bar sets from top to bottom, and a plurality of steel bar nets are arranged in the pouring space. The multiple reinforcing meshes are erected in the pouring space one by one through the multiple bearing and hanging reinforcing steel bar sets between the two first building parts. A plurality of penetrating noses are arranged at the top and the bottom of each reinforcing mesh, reinforcing ribs corresponding to the penetrating noses in position and number are arranged on one of the two second building parts, lock holes corresponding to the reinforcing ribs in position and number are formed in the other of the two second building parts, and the reinforcing ribs penetrate through the penetrating noses and then are inserted into the lock holes. Therefore, the shear wall is split into a plurality of individuals, hoisting and operation are facilitated, and the strength is high after assembly and pouring.