CN117306741A - Steel mesh composite wall structure system and construction process thereof - Google Patents

Abstract

The invention discloses a steel grid composite wall structure system and a construction process thereof, wherein the steel grid composite wall structure system comprises a plurality of prefabricated steel grid wallboard frameworks, a plurality of upright posts and a cross beam, a first connecting part comprises a connecting plate, one side of the connecting plate, which is far away from a steel bar, is also connected with a clamping joint through an inserted link, and the connecting plate is fixedly connected with the exposed end of the steel bar; the connecting seat of the second connecting part is internally provided with a clamping channel, at least one elastic clamping piece is arranged in the clamping channel along the circumferential direction of the clamping channel, the elastic clamping piece can be abutted with the clamping connector when the clamping connector enters the clamping channel and retract towards one side far away from the clamping connector, and after the clamping connector enters one side of the elastic clamping piece far away from the first connecting part, the elastic clamping piece stretches to limit the clamping connector. The invention also discloses a construction process of the steel mesh composite wall structure system, which can improve the assembly efficiency and the shock resistance, is simple and easy to operate in construction and is convenient for realizing standardized operation.

Description

Steel mesh composite wall structure system and construction process thereof

Technical Field

The invention relates to the technical field of assembled shear walls, in particular to a steel mesh composite wall structure system and a construction process thereof.

Background

The steel lattice composite wall structure system is a novel structure system developed by combining the advantages of light steel and concrete mechanisms, a lattice beam and a lattice column formed by steel bars are used as steel framework and form a plurality of lattice spaces, after an insulation board is embedded in the lattice spaces, concrete is poured to form a stressed member, and the stressed member is assembled to form a wall body, so that the steel lattice composite wall structure system is suitable for being applied to residential buildings.

However, the experience of the current domestic engineering practical projects shows that the common problem of the prefabricated grid shear wall component is that a plurality of nodes are connected on site in the structural system, longitudinal steel bars and transverse steel bars between two independent assemblies are required to be bound or welded after being lapped, the workload is large, the construction period is long, the current structural system lacks a plurality of fortification anti-seismic mechanisms, and the stress requirement under the action of repeated loads is difficult to meet, for example, the patent application of Chinese patent publication No. 201410182025.8 discloses a structural form named as the construction process of the assembled grid shear wall structural system. The assembled grid shear wall structure system comprises a plurality of layers of shear wall plates which are distributed from top to bottom, wherein each layer of shear wall plate comprises a shear wall body formed by splicing a plurality of prefabricated grid shear walls, an upper constraint hidden beam and two vertical edge constraint components, and two adjacent prefabricated grid shear walls are connected through a connecting hidden column; a rectangular insulation board is embedded in each rectangular grid on the inner framework of the prefabricated grid shear wall, the anti-seismic mechanism of the whole wall body in the system disclosed by the invention completely depends on the steel member, meanwhile, the connecting nodes depend on the lap joint binding of the reinforcing steel bars, the workload is large, the longitudinal and transverse lacing bar anchoring failure easily occurs, the interlayer dislocation is caused, the anti-seismic effect is poor, and the stress requirement under the action of repeated load is difficult to meet.

Disclosure of Invention

The invention aims to overcome the problems in the prior art and provide a steel mesh composite wall structure system and a construction process thereof.

The invention provides a steel lattice composite wall structure system, which comprises a plurality of prefabricated steel lattice wall plate frameworks, a plurality of upright posts and a plurality of cross beams, wherein the upright posts are respectively used for connecting two adjacent prefabricated steel lattice wall plate frameworks on the left and right, the cross beams are respectively used for connecting two prefabricated steel lattice wall plate frameworks on the upper and lower, and the outer Zhou Yuliu of the prefabricated steel lattice wall plate frameworks is provided with a reinforcing steel bar exposed end; all connect through connection structure between reinforcing bar exposed end and stand and the crossbeam, connection structure includes:

the number of the first connecting parts is multiple, the first connecting parts comprise connecting plates, one side of each connecting plate, which is far away from the exposed end of the steel bar, is also connected with a clamping joint through an inserted link, and the connecting plates are fixedly connected with the exposed end of the steel bar;

the second connecting portion, with the quantity of first connecting portion is the same, the second connecting portion includes the connecting seat, be equipped with the joint passageway in the connecting seat, be equipped with at least one elasticity joint spare along joint passageway circumference in the joint passageway, elasticity joint spare can be in the joint gets into when the joint passageway with joint butt is and to the one side indentation of keeping away from the joint, after the joint gets into one side of elastic joint spare and keeps away from the connecting plate, elasticity joint spare extension is right the joint carries out spacingly.

Preferably, the clamping connector is provided with a hemispherical surface and a bottom surface, the bottom surface is provided with a concave part, the inserting rod is further provided with a movable part, the movable part is provided with a first surface and a second surface, the first surface is close to the concave part and is configured into a protruding part matched with the concave part, the second surface is an arc surface, the inserting rod is further provided with a limiting ring, the limiting ring is used for limiting the movable part to move towards one side far away from the clamping connector, the elastic clamping part can be abutted with the first surface of the movable part and move to one side of the second surface of the movable part, and the first surface of the movable part can be embedded into the other side of the clamping connector along the second surface after the concave part so as to release the limiting relation between the elastic clamping part and the clamping connector.

Preferably, the end part of the connecting seat is also connected with an adjusting column for adjusting the length of the clamping channel, the adjusting column is in threaded connection with the clamping channel, and one end of the adjusting column, which is positioned in the clamping channel, is also connected with a damping piece.

Preferably, the outside of connecting seat still is connected with the buffer tank, it has high damping rubber to fill between buffer tank and the connecting seat, the periphery of buffer tank is fixed with the otic placode, the otic placode with stand or crossbeam fixed connection.

Preferably, the buffer grooves on two sides of the upright are connected through an SMA steel bar, the upright is provided with a longitudinal central axis, and the SMA steel bar horizontally penetrates through the upright and vertically intersects with the central axis of the upright.

The elastic clamping piece comprises a telescopic rod, a spring and a butt joint, wherein an installation cavity communicated with the clamping channel is further formed in the connecting seat, one end of the telescopic rod is fixed in the installation cavity, the other end of the telescopic rod is fixedly connected with the butt joint, the spring is sleeved on the telescopic rod between the telescopic rod and the installation cavity, the butt joint is an inclined plane or an arc surface, and the joint surface in contact with the bottom surface of the clamping joint is a plane.

Each prefabricated steel lattice wallboard skeleton includes a plurality of lattice beams that top-down set up and a plurality of lattice posts that set gradually from left to right, a plurality of lattice beams and a plurality of lattice posts constitute by a plurality of reinforcing bars, and the connecting plate of each first connecting portion is used for with same lattice post or same lattice beam the reinforcing bar exposes the end and is connected, with the connecting seat that the connecting plate that connects on the lattice beam corresponds is fixed on the crossbeam, with the connecting seat that the connecting plate that the lattice post is connected corresponds is fixed on the stand.

And the heat preservation plates are assembled in the areas formed by the lattice beams and the lattice columns of the prefabricated steel lattice wallboard framework, the front side and the rear side of the heat preservation plates are also provided with disassembly-free templates, the front and the rear disassembly-free templates and the heat preservation plates between the two disassembly-free templates are connected into a whole through a plurality of drawknot steel bars, the adjacent two drawknot steel bars are obliquely arranged in the opposite directions, and the distance between the front and the rear disassembly-free templates is equal to the thickness of the steel lattice composite wall.

The utility model discloses a thermal insulation board, including lattice beam, lattice column, frame bar, fixed strip, the fixed strip is last all to be equipped with a plurality of dovetails and a plurality of dovetail, the fixed strip with the thermal insulation board passes through a plurality of dovetails and dovetails is connected, all include a plurality of skeleton reinforcing bars that set up along length direction and cover to be established a plurality of ring tendons on the skeleton reinforcing bar, the equal interval is equipped with on the skeleton reinforcing bar and is used for the card to establish a pair of limiting plate of ring tendons, still connect the fixed strip on the limiting plate, the periphery of thermal insulation board with all the interval is equipped with a plurality of dovetails and a plurality of dovetail on the fixed strip.

The construction process of the steel mesh composite wall structure system comprises the following steps:

processing a prefabricated steel grid wallboard skeleton in a factory, wherein the exposed ends of steel bars of the prefabricated steel grid wallboard skeleton are connected with connecting plates, and clamping joints of the connecting plates penetrate into clamping channels of the second connecting parts and are clamped through elastic clamping pieces;

measuring and paying off;

hoisting a prefabricated disassembly-free steel lattice framework;

building upright posts and cross beams;

connecting seats corresponding to the left side and the right side of the prefabricated steel grid wallboard framework with the upright posts, and connecting seats corresponding to the upper side and the lower side of the prefabricated steel grid wallboard framework with the cross beams; finishing the assembly of the layer of prefabricated steel lattice wallboard framework, the upright posts and the cross beams;

assembling the multi-layer prefabricated steel grid wallboard framework, the upright posts and the cross beams;

pouring concrete and curing;

and (5) finishing the construction of the multi-layer prefabricated steel grid composite wall structure.

Compared with the prior art, the invention has the beneficial effects that: the steel mesh composite wall structure system adopts a designed connection structure to realize the rapid and stable connection of the steel bars, the upright posts and the cross beams, and greatly reduces the huge workload of field lap joint and binding of the steel bars; meanwhile, the connecting structure has a multi-stage buffering function, can improve the energy consumption capability between the prefabricated steel grid wallboard skeleton and the upright posts and the cross beams, reduce the internal stress borne by the shear wall system, further improve the shock resistance of the whole steel grid composite wall structure system, and meet the stress requirement under the action of repeated load.

The connecting structure designed by the invention can realize the limiting unlocking function by utilizing the movable part which is designed in a matching way in the initial assembly stage, is convenient for quickly separating the clamped prefabricated steel lattice wallboard skeleton from the upright post or the cross beam in the assembly process, and can realize quick assembly after replacement or readjustment.

The connecting structure provided by the invention has a plurality of anti-seismic mechanisms, the stress requirement under the action of repeated load can be met, a certain displacement compensation amount is reserved between the clamping connector and the clamping connection channel in the connecting structure, the load can be resisted through the relative position after the clamping connector and the clamping connection channel are subjected to the load, when the load can not be resisted after the relative displacement occurs, the connecting seat, the buffer groove and the high damping rubber positioned in the gap between the connecting seat and the buffer groove participate in energy consumption, and the SMA steel bar arranged between the buffer grooves at the two sides of the upright column can be used as a further anti-seismic mechanism to resist the load.

The prefabricated steel mesh wallboard skeleton can take the dismantling-free template as a part of a wall unit, so that the procedures of formwork supporting, concrete pouring and formwork dismantling in the prefabrication stage are omitted, and meanwhile, the prefabricated steel mesh wallboard skeleton, the upright posts and the cross beams are simultaneously poured on site, so that the prefabricated steel mesh wallboard skeleton is integrally formed, the integrity is good, and the load capacity of a shear wall system is improved.

The invention also designs the limit groove based on the connection structure, avoids binding of the ring rib and the framework steel bar during the manufacture of the lattice beam and the lattice column, improves the tight connection between the heat insulation board and the prefabricated steel lattice wallboard framework through the design of the fixing strip, and simultaneously, the fixing strip also serves as a blocking piece to prevent the dislocation of the ring rib and the framework steel bar, thereby ensuring the stability and uniform stress of the whole steel lattice framework structure.

The steel mesh composite wall structure system has the advantages of simple construction process, high construction efficiency and convenient realization of standardized operation.

Drawings

FIG. 1 is a schematic structural view of a steel mesh composite wall structure system of the present invention;

FIG. 2 is a schematic diagram of the connection structure of the prefabricated steel lattice wallboard skeleton and the upright post of the present invention;

FIG. 3 is a schematic view showing the state of the clamping connector entering the connecting seat provided with the adjusting column;

FIG. 4 is a schematic view of the clamping state of the clamping connector, the elastic clamping member and the movable member according to the present invention;

FIG. 5 is a schematic diagram showing a first state of the snap-fit joint, elastic snap-fit member and movable member disassembling process according to the present invention;

FIG. 6 is a second schematic view showing the disassembling process of the snap-fit connector, the elastic snap-fit member and the movable member according to the present invention;

FIG. 7 is a third schematic view showing the disassembling process of the snap-fit connector, the elastic snap-fit member and the movable member according to the present invention;

FIG. 8 is a schematic diagram of the connection of the upright post and the buffer tanks on both sides and SMA steel bars;

FIG. 9 is a schematic view of the connection structure of the insulation board, the fixing strips and the lattice beams;

fig. 10 is a cross-sectional view of a prefabricated steel lattice wallboard skeleton provided with a tamper-free form in accordance with the present invention.

Reference numerals illustrate:

1. prefabricated steel mesh wallboard skeleton, 11, lattice beam, 111, skeleton reinforcing steel, 112, ring rib, 113, limiting plate, 114, fixing strip, 12, lattice column, 13, insulation board, 14, dismounting-free form, 15, tie reinforcing steel, 16, vertical distributing rib, 101, reinforcing steel exposed, 2, upright post, 3, cross beam, 4, connecting plate, 5, inserting rod, 6, clamping head, 61, concave part, 7, connecting seat, 71, clamping channel, 72, elastic clamping piece, 711, telescopic rod, 712, spring, 713, abutting head, 73, mounting cavity, 74, adjusting column, 75, damping piece, 8, moving piece, 81, first surface, 82, second surface, 9, limiting ring, 10, buffer groove, 20, high damping rubber, 21, lug plate and 22.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure. It will be apparent that the described embodiments are some, but not all, of the embodiments of the present disclosure. All other embodiments, which can be made by one of ordinary skill in the art without the need for inventive faculty, are within the scope of the present disclosure, based on the described embodiments of the present disclosure.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The terms "first," "second," and the like in the description and in the claims, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, is intended to mean that elements or items that are present in front of "comprising" or "comprising" are included in the word "comprising" or "comprising", and equivalents thereof, without excluding other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to denote relative positional relationships, which may also change accordingly when the absolute position of the object to be described changes.

At present, although the steel lattice wallboard is prefabricated in advance in a factory, most of the steel lattice wallboard is a formed wall body formed by directly prefabricating the prefabricated steel lattice wallboard into a steel lattice skeleton in the interior and pouring concrete, the wall body is heavy, hoisting, transportation and assembly are laborious, meanwhile, when the steel lattice wallboard is prefabricated, a formwork is required to be supported and removed, a certain trouble is brought to construction, and a hidden beam, a hidden column and the concrete of the steel lattice wallboard are poured in a multi-step manner, so that the main stress system of the whole system is poor in integrity and poor in load capacity; when the grid shear wall is assembled, the connection between the grid shear wall prefabricated by the prior method and the connecting hidden column, namely the upright post 2 depends on the manners of steel bar binding and the like, so that the workload is huge, the shock resistance of the connecting part is poor, the overlapped steel bar nodes are easy to fail, the shock resistance of the whole shear wall system is influenced, and repeated loads cannot be resisted in the shock resistance process of the shear wall system; therefore, one of the purposes of the invention is to design a connecting structure for connecting a prefabricated wallboard unit with a stand column or a cross beam conveniently so as to reduce the binding amount of steel bars in the assembly process and improve the assembly efficiency of the whole wall body; the second purpose is to improve the anti-seismic performance of the connection nodes on the basis of realizing stable connection of the connection nodes so that the connection nodes can resist repeated loads in the anti-seismic stage, and the third purpose is to construct a prefabricated disassembly-free steel grid composite wall structure system by optimally designing the existing steel grid wallboard, so that the construction process is simplified.

In the steel mesh composite wall structure system disclosed in this embodiment, as shown in fig. 1, the steel mesh composite wall structure system comprises a plurality of prefabricated steel mesh wall plate frameworks 1, a plurality of upright posts 2 and a plurality of cross beams 3, wherein the plurality of upright posts 2 are respectively used for connecting two adjacent prefabricated steel mesh wall plate frameworks 1 left and right, the cross beams 3 are respectively used for connecting two prefabricated steel mesh wall plate frameworks 1 up and down, the outer Zhou Yuliu of the prefabricated steel mesh wall plate frameworks 1 is provided with a steel bar exposed end 101, and the connecting structure is used for connecting the steel bar exposed end 101 of the prefabricated steel mesh wall plate frameworks 1 with the upright posts 2 and the plurality of cross beams 3; the following description will proceed with reference being made to specific embodiments;

the connection structure in this embodiment as shown in fig. 2 includes a plurality of first connection portions, where the first connection portions include a connection board 4, and a side of the connection board 4 away from the reinforcing steel bar is further connected with a clamping connector 6 through a plug rod 5, and the connection board 4 is fixedly connected with an exposed end 101 of the reinforcing steel bar; the connecting members in this embodiment are all steel members, and the connecting plate 4 and the exposed end 101 of the steel bar can be welded or screwed, and because the connection between the exposed end 101 of the steel bar and the first connecting portion can be prefabricated in advance, the binding amount on site can be reduced, and the connecting plate 4 and the inserting rod 5 and the clamping piece 6 thereon can be manufactured in a standardized manner, so that the connecting plate can be directly used in prefabrication after batch processing; the mode that adopts through standard part connection also can make the uniformity of connected node better, is convenient for standardized operation, and the connection reliability for the scene ligature of different workman is higher, and the operation is more convenient.

With continued reference to fig. 2, the second connection portion of the present disclosure, the same as the first connection portion in number, the second connection portion includes a connection seat 7, a clamping channel 71 is provided in the connection seat 7, at least one elastic clamping piece 72 is provided in the clamping channel 71 along the circumference of the clamping channel 71, the elastic clamping piece 72 can abut against the clamping connector 6 and retract towards a side far away from the clamping connector 6 when the clamping connector 6 enters the clamping channel 71, and after the clamping connector 6 enters the side of the elastic clamping piece 72 far away from the first connection portion, the elastic clamping piece 72 extends to limit the clamping connector 6. The clamping connection of the clamping connector 6 and the connecting seat 7 can adopt a mode of fixing the connecting seat 7 on the upright post 2 or the cross beam 3 in advance and then clamping on site; the connecting seat 7 can be directly fixed on the corresponding upright post 2 or the corresponding cross beam 3 during site construction by being clamped in advance; when the connector 6 and part of the inserting rod 5 are connected in a clamping way 71, the elastic clamping pieces 72 are compressed to avoid the fact that the connector 6 can enter the clamping way 71 deeper along with the penetration of the connector 6, after the connector 6 passes through the position where the elastic clamping pieces 72 are located, the elastic clamping pieces 72 are reset to form a limiting effect on the connector 6, and the number of the elastic clamping pieces 72 can be two, three or four. And are uniformly distributed along the circumferential direction of the clamping passage 71, the elastic clamping member 72 may be made of high-strength steel in order to enhance the strength of the elastic clamping member 72. In this embodiment, the plurality of prefabricated steel mesh wallboard frames 1 are rectangular structures, the same side edge of the prefabricated steel mesh wallboard frames can share the same connecting plate 4, and a plurality of clamping connectors 6 are arranged on the connecting plate 4 along the side length direction of the prefabricated steel mesh wallboard frames 1, so that the steel plate consumption can be saved, a group of transverse steel bars or longitudinal steel bars forming one lattice beam or one lattice column of the internal framework can be connected with the same connecting plate 4, and the steel plate can be selected according to factors such as the loading capacity of a construction system of construction.

In this embodiment, through adopting the mode of joint, realized exposing the quick connect of reinforcing bar tip 101 and periphery component, and only need once only dock when connecting and can accomplish the node assembly of same one side, for example when needs dock wallboard unit with left stand, only need with the prefabricated wallboard unit that has joint 6 in advance to be fixed with the stand 2 of second connecting portion and remove for in the joint passageway 7 that corresponds of individual joint 6 gets into, of course, a plurality of joints 6 and the inserted bar 5 specification that set up along the vertical direction on the prefabricated steel mesh wallboard skeleton 1 are the same, can get into respectively corresponding joint passageway 7 simultaneously.

If the mode of connecting the connecting seat 7 with the upright post 2 or the cross beam 3 is adopted and is clamped in advance, the connecting seat 7 is only required to be welded on the upright post 2 or the cross beam 3 on site; compared with the mode of overlapping and binding all the steel bars with the upright posts 2 and the cross beams 3 one by one, the construction amount is obviously reduced and the assembly efficiency is improved no matter the mode of clamping in advance or on site is adopted; meanwhile, in this embodiment, after the clamping connector 6 and the elastic clamping member 72 are clamped, a moving gap, such as 50-20mm, is reserved between the clamping connector 6 and the clamping channel 71 near the other end of the upright post 2 or the cross beam 3, so that the clamping connector 6 can have the function of moving displacement compensation for resisting load in the clamping channel 71, and the shock resistance of the connection node is improved on the basis of ensuring stable connection.

In the construction process, various problems that the quality of the wallboard units on the clamping needs to be changed, the clamping dislocation needs to be removed again for re-clamping, or the wallboard specification needs to be removed again for replacement when the special parts such as corners are forgotten to be replaced, and the like, all the clamping joints 6 which are well clamped need to be pulled out from the clamping channels 71, and the clamping joints 6 possibly have large difficulty in releasing limit due to the blocking of the elastic clamping pieces 72, so that the problem occurs once or the difficulty in refitting after the misloading is large, or when the clamping joints 6 are in a spherical structure, although the clamping joints are easy to pull out, the connecting stability is poor as connecting nodes, and certain hidden danger exists, so that the novel wallboard connector is not suitable for use; therefore, this embodiment further optimizes the fastening structure, so that it is more suitable for practical construction requirements, and can realize being convenient for disassembling and replacing on the basis of realizing stable fastening, the fastening head 6 is in a hemispherical structure, as another alternative, may be in a conical shape, the cross-sectional diameter of the fastening head 6 is continuously increased from top to bottom, and the surface is a smooth transition surface, in this embodiment, we prefer a hemispherical structure, as shown in fig. 3, the fastening head 6 has an arc-shaped surface and a bottom surface, the bottom surface has a concave portion 61, the inserting rod 5 is further provided with a movable member 8, the movable member 8 has a first surface 81 and a second surface 82, the first surface 81 is close to the concave portion 61, the first surface 81 is configured as a protruding portion matched with the concave portion 61, the second surface 82 is an arc-shaped surface, the inserting rod 5 is further provided with a limiting ring 9, the limiting ring 9 is used for limiting the movement of the movable member 8 to a side far away from the fastening head 6, the elastic fastening member 72 can abut against and move to the first surface 81 of the movable member 8 to the second surface 82, and the movable member 8 can move to the second surface 82 along the concave portion 6 at the second surface 82, and the first surface 82 can be removed from the first surface 81 of the movable member 6.

In the above-mentioned structure with optimized design, since the clamping head 6 is in a hemispherical structure and the bottom surface is a plane, the elastic clamping piece 72 is located at one side of the bottom surface, so that the limiting effect is obvious, the elastic clamping piece 72 is difficult to overcome the limiting effect of the bottom surface to release the clamping relationship between the two, so as to ensure the stability of the clamping, meanwhile, in order to facilitate the release of the limiting effect, the movable piece 8 of the embodiment is a key component for assisting in releasing the limiting relationship between the clamping head 6 and the elastic clamping piece 72, as shown in fig. 4, in the clamping stage, the elastic clamping piece 72 is located between the clamping head 6 and the movable piece 8, when the limiting is required to be released, the elastic clamping piece 72 and the clamping head 6 can be relatively displaced, for example, the clamping head 6 is not moved, as shown in fig. 5, the connecting seat 7 is moved along the direction of the inserting rod 5, the elastic clamping piece 72 in the connecting seat 7 moves to the side close to the movable piece 8, the elastic clamping piece 72 can transition to the second surface 82 along the protruding arc-shaped first surface 81 of the movable piece 8, and then moves reversely, namely when moving to the direction of the side where the clamping joint 6 is located, the elastic clamping piece 72 pushes the movable piece 8 to approach the clamping joint 6 until the first surface 81 of the movable piece 8 is embedded into the concave portion 61 of the clamping joint 6, and after the connecting seat 7 continues to move, as shown in fig. 6-7, the movable piece 8 does not move any more at this time, so that the elastic clamping piece 72 can transition to the outside of the arc-shaped surface of the clamping joint 6 along the arc-shaped second surface 82, and the limiting relation between the elastic clamping piece 72 and the clamping joint 6 is released.

Of course, in order to avoid the risk of releasing the limit relationship caused by the action of the movable member 8 in the anti-seismic stage, as another preferred embodiment of the present embodiment, as shown in fig. 4, an adjusting post 74 for adjusting the length of the clamping channel 71 is further connected to the end of the connecting seat 7, the adjusting post 74 is screwed with the clamping channel 71, and a damping member 75 is further connected to one end of the adjusting post 74 located in the clamping channel 71, where the damping member 75 may be a member with a buffering function such as rubber. After the assembly is completed, the adjusting column 74 can be screwed into the clamping channel 71, so that the movable displacement of the clamping connector 6 is smaller than the distance between the elastic clamping piece 72 and the movable piece 8, the contact opportunity of the elastic clamping piece 72 and the movable piece 8 is avoided, and the situation that the elastic clamping piece 72 is released from being limited by the movable piece 8 in the anti-seismic stage is avoided.

As another preferable mode, in order to further improve the shock resistance of the connection node while reducing the interaction force between the clip 6 and the elastic clip 72, the service lives of the clip 6 and the elastic clip 72 are improved. As shown in fig. 8, a buffer groove 10 is further connected to the outside of the connection seat 7 in this embodiment, a gap is reserved between the buffer groove 10 and the connection seat 7, high damping rubber 20 is filled in the gap, an ear plate 21 is fixed to the periphery of the buffer groove 10, and the ear plate 21 is fixedly connected with the upright post 2 or the cross beam 3. The buffer tank 10 may be prefabricated on the upright post 2 in advance, or a field fixing manner is adopted, in this embodiment, the buffer tank 10 is fixed on the upright post 2 or the cross beam 3, and the connection seat 7 is connected with the prefabricated steel mesh wallboard skeleton 1 into a whole in the anti-seismic stage, so that the buffer tank 10 can be used as a buffer member to consume the force between the prefabricated steel mesh wallboard skeleton 1 and the upright post 2 or the cross beam 3, meanwhile, the buffer tank 10 can reduce the interaction force between the clamping connector 6 and the elastic clamping member 72, in the stress stage, a certain relative displacement exists between the clamping connector 6 and the elastic clamping member 72 at first, a certain relative displacement occurs between the clamping connector 6 and the upright post 2 or the cross beam 3 when the maximum displacement is exceeded, and if the maximum displacement is exceeded, the clamping connector 6 contacts with the elastic clamping member 72 and the connection seat 7 can be equivalent to an integral body to perform displacement compensation again in the buffer tank 10, so that the interaction between the clamping connector 6 and the elastic clamping member 72 can be relieved, and meanwhile, the performance of the whole anti-seismic wall structure can be improved due to the multiple shear force in the anti-seismic wall system. Meanwhile, the buffer groove 10 and the connecting seat 7 are arranged on two opposite sides of the upright post 2, so that the lateral stress of the upright post 2 can be improved, the shear wall system can better resist horizontal load, the load capacity of the wall body is improved, and the shock resistance of the shear wall system is improved again.

As a more preferred embodiment, referring again to fig. 8, the buffer tanks 10 on both sides of the upright 2 are further connected by SMA steel bars 22, the upright 2 has a longitudinal central axis, and the SMA steel bars 22 horizontally penetrate into the upright 2 and vertically intersect with the central axis of the upright 2. The SMA steel bars 22 serve as reinforcing ribs of the upright posts 2 on one hand, and on the other hand, can effectively transfer stress between two prefabricated steel grid wallboard frameworks 1 on the same horizontal direction, so that wall damage caused by overlarge local stress is avoided.

Compared with the traditional joint connection mode of steel bar lap joint, the connecting structure disclosed by the embodiment has a plurality of fortification anti-seismic mechanisms, firstly, a certain displacement compensation amount is reserved between the clamping connector 6 and the clamping channel 71 in the connecting structure, the load can be resisted through the relative position after the load is received, secondly, when the clamping connector 6 and the clamping channel 71 still cannot resist the load after the relative displacement is generated, the connecting seat 7, the buffer groove 10 and the high damping rubber 10 positioned in the gap between the two parts participate in energy consumption, and the SMA steel bars arranged between the buffer grooves on two sides of the upright column can be used as the further fortification anti-seismic mechanisms to resist the load, so that the structural system has the plurality of fortification anti-seismic mechanisms in the present disclosure, and the stress requirement under the repeated load can be met.

In order to enable the elastic clamping piece 72 and the clamping connector 6 to perform relative displacement more smoothly in the clamping and unlocking processes, and ensure a limiting effect in a limiting stage, as shown in fig. 3, as another preferred mode, the elastic clamping piece 72 comprises a telescopic rod 711, a spring 712 and a abutting connector 713, a mounting cavity 73 communicated with the clamping channel 7 is further arranged in the connecting seat 7, one end of the telescopic rod 711 is fixed in the mounting cavity 73, the other end of the telescopic rod 711 is fixedly connected with the abutting connector 713, the spring 712 is sleeved on the telescopic rod 711 between the telescopic rod 711 and the mounting cavity, one surface, which is attached to the abutting connector 713, of the abutting connector 713 can be circular or rectangular or oval, the surface, which is contacted with the clamping connector 6, of the abutting connector 713 is the inclined surface or the cambered surface, which is matched with the clamping connector 6, of the other surface is the cambered surface or the plane, and as a more preferred mode, the end, which is contacted with the clamping connector 713, of the abutting connector 6 is designed to be the cambered surface.

As another embodiment, each prefabricated steel grid wallboard skeleton 1 of the present embodiment includes an inner skeleton, as shown in fig. 2, the inner skeleton includes a plurality of grid beams 11 disposed from top to bottom, and a plurality of grid columns 12 disposed from left to right in sequence, each of the plurality of grid beams 11 and the plurality of grid columns 12 is prefabricated by a plurality of reinforcing steel bars, reinforcing steel bars constituting the grid beams 11 and the plurality of grid columns 12 are reserved with exposed ends 101 of reinforcing steel bars at the periphery of the prefabricated steel grid wallboard skeleton 1, heat insulation boards 13 are installed in areas formed by the grid beams 11 and the grid columns 12, as shown in fig. 10, detachment-free templates 14 are further disposed at front and rear sides of the heat insulation boards 13, the heat insulation boards 13 between the front and rear detachment-free templates 14 and the two detachment-free templates 14 are integrally connected through tie reinforcing steel bars 15, the tie steel bars 15 are further connected with vertical distribution bars 16, the vertical distribution bars 16 are uniformly distributed at two sides of the front and rear 13 of the heat insulation boards, and the distance between the front and rear two detachment-free templates 14 is equal to the thickness of the composite steel grid wall. The form 14 can be taken as an external constraint component of the prefabricated steel lattice wallboard skeleton 1 and a form without dismantling, and the trouble of form erecting and form dismantling can be omitted.

As a more preferable embodiment, as shown in fig. 9, the lattice beam 11 and the lattice column 12 each include a plurality of framework steel bars 111 arranged along the length direction and a plurality of ring steel bars 112 sleeved on the framework steel bars 111, two limiting plates 113 for clamping the ring steel bars 112 are arranged on the framework steel bars 111 at equal intervals, and fig. 9 is a schematic form of a lattice beam; since in this embodiment, the ends of a group of framework bars 111 forming the same lattice beam 11 or the same lattice column 12 may be fixed on the connecting plate 4 of the first connecting portion, then the other ends of the group of bars are gathered together so that all the ring bars 112 are sleeved outside all the framework bars 111, then the framework bars 111 are slowly stretched, the ring bars 112 are positioned between two limiting plates 113 arranged in parallel on the framework bars 111, and after all the ring bars 112 are positioned, the free ends of the group of framework bars 111 are fixed with another connecting plate 4, so that the connecting plate 4 of the present application can serve as a positioning plate of the framework bars 111 and a mounting plate of the inserting rod 5.

As a more preferable embodiment, with continued reference to fig. 9, the limiting plate 112 is further connected with a fixing strip 114, a plurality of dovetail blocks and a plurality of dovetail grooves are respectively arranged on the periphery of the thermal insulation plate 13 and the fixing strip 114 at intervals, the fixing strip 114 is connected with the thermal insulation plate 13 through the plurality of dovetail grooves and the dovetail blocks, the fixing strip 114 can serve as a blocking piece to prevent the ring rib 112 from displacing along the framework steel bar 111, and meanwhile, the thermal insulation plate 13 can be connected with the lattice columns and the lattice beams more tightly, so that the flatness of the thermal insulation plate 13 is ensured.

The embodiment also discloses a construction process of the steel mesh composite wall structure system, which comprises the following steps:

processing a prefabricated steel lattice wallboard skeleton 1 in a factory, wherein the exposed ends 101 of steel bars of the prefabricated steel lattice wallboard skeleton 1 are connected with a connecting plate 4, and a clamping connector 6 connected with the connecting plate 4 penetrates into a clamping channel 71 of a second connecting part and is clamped by an elastic clamping piece 72;

measuring and paying off;

hoisting a prefabricated steel grid wallboard framework 1;

building upright posts 2 and cross beams 3;

connecting seats 7 corresponding to the left side and the right side of the prefabricated steel mesh wallboard skeleton 1 with the upright posts 2, and connecting the connecting seats 7 corresponding to the upper side and the lower side of the prefabricated steel mesh wallboard skeleton 1 with the cross beams 3; finishing the assembly of the layer of prefabricated steel lattice wallboard framework 1, the upright posts 2 and the cross beams 3;

assembling the multi-layer prefabricated steel grid wallboard framework 1, the upright posts 2 and the cross beams 3;

pouring concrete and curing;

the construction of the multilayer prefabricated steel grid structure composite wall structure is completed, the construction process of the embodiment adopts integral assembly, and the integral pouring mode not only can accelerate the construction progress, but also can be used for integrally forming poured concrete, and has strong load capacity.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The steel grid composite wall structure system comprises a plurality of prefabricated steel grid wallboard frameworks (1), a plurality of upright posts (2) and a plurality of cross beams (3), wherein the upright posts (2) are respectively used for connecting two adjacent prefabricated steel grid wallboard frameworks (1) left and right, the cross beams (3) are respectively used for connecting two prefabricated steel grid wallboard frameworks (1) up and down, and the outer Zhou Yuliu of the prefabricated steel grid wallboard frameworks (1) is provided with a steel bar exposed end (101); the steel bar connecting structure is characterized in that the exposed ends (101) of the steel bars are connected with the upright posts (2) and the cross beams (3) through connecting structures, and the connecting structures comprise:

the number of the first connecting parts is multiple, the first connecting parts comprise connecting plates (4), one side, far away from the exposed ends (101) of the reinforcing steel bars, of each connecting plate (4) is also connected with clamping connectors (6) through inserting rods (5), and each connecting plate (4) is fixedly connected with the exposed ends (101) of the reinforcing steel bars;

the second connecting portion, with the quantity of first connecting portion is the same, the second connecting portion includes connecting seat (7), be equipped with joint passageway (71) in connecting seat (7), be equipped with at least one elasticity joint spare (72) along joint passageway (71) circumference in joint passageway (71), elasticity joint spare (72) can be in joint (6) get into when joint passageway (71) with joint (6) butt and to keeping away from one side indentation of joint (6), after joint (6) get into one side that elasticity joint spare (72) kept away from connecting plate (4), elasticity joint spare (72) are elongated and are right joint (6) are spacing.

2. The steel mesh composite wall structure system according to claim 1, wherein the clamping joint (6) has a hemispherical surface and a bottom surface, the bottom surface has a concave part (61), the inserted link (5) is further provided with a movable part (8), the movable part (8) has a first surface (81) and a second surface (82), the first surface (81) is close to the concave part (61), the first surface (81) is configured as a protruding part matched with the concave part (61), the second surface (82) is an arc surface, the inserted link (5) is further provided with a limiting ring (9), the limiting ring (9) is used for limiting the movable part (8) to move towards one side far away from the clamping joint (6), the elastic clamping part (72) can be abutted with the first surface (81) of the movable part (8) and move to one side of the second surface (82) of the movable part (8), and can be embedded on the first surface (81) of the movable part (8) to be embedded in the concave part (61) and then move to the other side of the second surface (82) along the concave part (61) to release the limiting part (72) from the limiting relation with the clamping joint (6).

3. The steel mesh composite wall structure system according to claim 1, wherein an adjusting column (74) for adjusting the length of the clamping channel (71) is further connected to the end portion of the connecting seat (7), the adjusting column (74) is in threaded connection with the clamping channel (71), and a damping member (75) is further connected to one end of the adjusting column (74) located in the clamping channel (71).

4. The steel mesh composite wall structure system according to claim 1, wherein a buffer groove (10) is further connected to the outside of the connecting seat (7), high damping rubber (20) is filled between the buffer groove (10) and the connecting seat (7), an ear plate (21) is fixed to the periphery of the buffer groove (10), and the ear plate (21) is fixedly connected with the upright (2) or the cross beam (3).

5. Steel lattice composite wall structure according to claim 4, characterized in that the buffer grooves (10) on both sides of the upright (2) are also connected by SMA steel bars (22), the upright (2) has a longitudinal central axis, and the SMA steel bars (22) are horizontally inserted into the upright (2) and vertically intersect with the central axis of the upright (2).

6. The steel mesh composite wall structure system according to claim 1, wherein the elastic clamping piece (72) comprises a telescopic rod (711), a spring (712) and a butt joint (713), a mounting cavity (73) communicated with the clamping channel (71) is further formed in the connecting seat (7), one end of the telescopic rod (711) is fixed in the mounting cavity (73), the other end of the telescopic rod (711) is fixedly connected with the butt joint (713), the spring (712) is sleeved on the telescopic rod (711) between the telescopic rod (711) and the mounting cavity, the surface, which is in contact with the top of the clamping joint (6), of the butt joint (713) is an inclined surface or an arc surface, and the contact surface, which is in contact with the bottom surface of the clamping joint (6), is a plane.

7. The steel lattice composite wall structure system according to claim 1, wherein each prefabricated steel lattice wallboard skeleton (1) comprises a plurality of lattice beams (11) arranged from top to bottom and a plurality of lattice columns (12) arranged from left to right in sequence, each of the plurality of lattice beams (11) and the plurality of lattice columns (12) is composed of a plurality of reinforcing steel bars, the connecting plate (4) of each first connecting portion is used for being connected with the same lattice column (12) or the exposed end (101) of the reinforcing steel bar of the same lattice beam (11), the connecting seat (7) corresponding to the connecting plate (4) connected with the lattice beam (11) is fixed on the cross beam (3), and the connecting seat (7) corresponding to the connecting plate (4) connected with the lattice column (12) is fixed on the upright (2).

8. The steel grid composite wall structure system according to claim 7, wherein insulation boards (13) are assembled in areas formed by the grid beams (11) and the grid columns (12) of each prefabricated steel grid wallboard skeleton (1), disassembly-free templates (14) are further arranged on the front side and the rear side of the insulation boards (13), the front disassembly-free templates (14) and the rear disassembly-free templates (14) and the insulation boards (13) between the two disassembly-free templates (14) are connected into a whole through a plurality of tie bars (15), the adjacent two tie bars (15) are obliquely arranged in the opposite direction, and the distance between the front disassembly-free templates (14) and the rear disassembly-free templates (14) is equal to the thickness of the steel grid composite wall.

9. The steel grid composite wall structure system according to claim 7, wherein the grid beams (11) and the grid columns (12) comprise a plurality of framework steel bars (111) arranged along the length direction and a plurality of ring steel bars (112) sleeved on the framework steel bars (111), a pair of limiting plates (113) used for clamping the ring steel bars (112) are arranged on the framework steel bars (111) at equal intervals, fixing strips (114) are further connected on the limiting plates (113), a plurality of mutually matched dovetail blocks and dovetail grooves are formed in the periphery of the heat-insulating plates (13) and the fixing strips (114), and the fixing strips (114) are connected with the heat-insulating plates (13) through the dovetail grooves and the dovetail blocks.

10. Construction process of a steel lattice composite wall structure system according to any one of claims 1-9, characterized by the following steps:

processing a prefabricated steel lattice wallboard skeleton (1) in a factory, wherein the exposed ends (101) of steel bars of the prefabricated steel lattice wallboard skeleton (1) are connected with a connecting plate (4), and a clamping connector (6) connected with the connecting plate (4) penetrates into a clamping channel (71) of a second connecting part and is clamped by an elastic clamping piece (72);

measuring and paying off;

hoisting a prefabricated steel grid wallboard skeleton (1);

building a stand column (2) and a cross beam (3);

connecting seats (7) corresponding to the left side and the right side of the prefabricated steel lattice wallboard framework (1) with the upright posts (2), and connecting the connecting seats (7) corresponding to the upper side and the lower side of the prefabricated steel lattice wallboard framework (1) with the cross beams (3); finishing the assembly of the prefabricated steel lattice wallboard skeleton (1), the upright posts (2) and the cross beams (3);

finishing the assembly of the multi-layer prefabricated steel grid wallboard framework (1), the upright posts (2) and the cross beams (3);

pouring concrete and curing;

and (5) finishing the construction of the multi-layer prefabricated steel grid composite wall structure.