CN212715498U

CN212715498U - Shear wall body

Info

Publication number: CN212715498U
Application number: CN202021195754.4U
Authority: CN
Inventors: 周裕文
Original assignee: Shanghai Hengxu Energy Saving Environmental Protection Technology Co ltd
Current assignee: Shanghai Hengxu Energy Saving Environmental Protection Technology Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-03-16
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses a shear force wall body, include: an inner leaf panel comprising a first portion and a second portion disposed at a first angle; the middle wallboard comprises a first part and a second part which are arranged at a second angle, the middle wallboard is connected with the inner leaf wallboard through a plurality of first pulling pieces and encloses a first cavity with the inner leaf wallboard, and wall structure steel bars are arranged in the first cavity; the outer leaf wallboard comprises a first portion and a second portion, wherein the first portion and the second portion are arranged in a third angle mode, the outer leaf wallboard is connected with the middle wallboard through a plurality of second pulling pieces and encloses a second cavity with the middle wallboard, a heat-insulation wallboard is arranged in the second cavity, and the heat-insulation wallboard is connected with the second pulling pieces. The utility model discloses a shear force wall body has integrateed the external wall insulation, has removed the artifical formwork, the operation of form removal, the waterproof operation that keeps warm of job site from, has removed the artifical operation of plastering in later stage from even.

Description

Shear wall body

Technical Field

The utility model relates to a building technical field, in particular to shear force wall body.

Background

At present, the building wall in the building industry generally adopts a cast-in-place process, after the construction of a main structure and an enclosure structure is finished, heat preservation and waterproof treatment are carried out, and a common external heat preservation process needs to be carried out through a plurality of processes: processing a base layer wall, stirring glue, sticking a heat-insulating plate, polishing and leveling, installing an anchoring piece, laying grid cloth, coating surface mucilage, leveling and repairing and the like; the construction site needs to consume a large amount of labor and construction period. And this kind of outer heat preservation method of pasting has the potential safety hazard, and the protective layer that often can appear the heated board peels off, the exposed condition of heated board, and the mortar that peels off brings very big potential safety hazard for the pedestrian under the building, and exposed heated board also has the conflagration hidden danger.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that there is the potential safety hazard in the external heated board that pastes of building wall. The utility model provides a shear force wall body has integrateed the external wall insulation, has removed the artifical formwork, the operation of form removal, the waterproof operation that keeps warm of job site from, has removed the artifical operation of plastering in later stage from even.

In order to solve the technical problem, an embodiment of the utility model discloses a shear force wall body, include: an inner leaf panel comprising a first portion and a second portion disposed at a first angle; the middle wallboard comprises a first part and a second part which are arranged at a second angle, the middle wallboard is connected with the inner leaf wallboard through a plurality of first pulling pieces and forms a first cavity with the inner leaf wallboard in a surrounding mode, and wall structure steel bars are arranged in the first cavity; the outer leaf wallboard comprises a first part and a second part, wherein the first part and the second part are arranged in a third angle mode, the outer leaf wallboard is connected with the middle wallboard through a plurality of second pulling pieces and surrounds into a second cavity, a heat-insulating wallboard is arranged in the second cavity, and the heat-insulating wallboard is connected with the second pulling pieces.

By adopting the technical scheme, manual formwork supporting, formwork removing and heat-insulating waterproof operations on a construction site can be omitted, and even later manual plastering operations are omitted.

According to the utility model discloses a further concrete implementation mode, the heat preservation wallboard respectively with the laminating of the first portion and the second portion of middle part wallboard mutually, and with the interval sets up and forms the third cavity between the outer leaf wallboard.

According to the utility model discloses a further concrete implementation mode, the second drawknot piece passes the middle part wallboard with thermal insulation wallboard, one end is located in the outer leaf wallboard, the other end is located in the first cavity.

According to another embodiment of the present invention, one end of each of the first tie members is engaged with the inner leaf wall plate in a concave-convex manner, and the other end is engaged with the middle wall plate in a concave-convex manner; and/or one end of each second pulling piece is in concave-convex fit with the outer leaf wallboard, and the other end of each second pulling piece is in concave-convex fit with the middle wallboard or the building material poured in the first cavity.

According to another embodiment of the present invention, the first pulling element comprises a first body portion extending in a first direction, the first body portion having a front side and a back side in a second direction perpendicular to the first direction;

at least one first convex part is arranged at one end of the first body part and on the front surface and/or the back surface of the first body part;

at least one second protrusion is disposed on the front surface and/or the back surface of the first body portion at the other end of the first body portion.

According to another embodiment of the present invention, the middle region of the first body part is formed with an inner concave surface protruding from the back surface of the first body part in a direction from the front surface to the back surface of the first body part; or, in the direction from the back surface to the front surface of the first body part, the middle region of the first body part is formed with an inner concave surface which protrudes out of the front surface of the first body part.

According to the utility model discloses a further concrete implementation mode, the bottom of interior concave surface is equipped with two at least through-holes.

According to another embodiment of the present invention, the first body portion is flat.

According to another embodiment of the present invention, each of the first tie members is vertically connected to the inner leaf wall panel and the middle wall panel, respectively, along the first direction; along the second direction, the first body parts of the adjacent first pulling pieces are arranged in parallel and face to face.

According to another embodiment of the present invention, the second pulling element comprises a second body portion extending in a first direction, the second body portion having a front face and a back face in a second direction perpendicular to the first direction;

at least one first convex part is arranged at one end of the second body part and on the front surface and/or the back surface of the second body part;

at least one second protrusion is disposed on the front surface and/or the back surface of the second body portion at the other end of the second body portion.

According to another embodiment of the present invention, the middle region of the second body part is formed with an inner concave surface protruding the back surface of the second body part in a direction from the front surface to the back surface of the second body part; or, in the direction from the back surface to the front surface of the second body part, the middle region of the second body part is formed with an inner concave surface which protrudes out of the front surface of the second body part.

According to another embodiment of the present invention, the second body portion is flat.

According to another embodiment of the present invention, each of the second tie members is vertically connected to the outer leaf wall panel and the middle wall panel along the first direction; along the second direction, the second body parts of the adjacent second pulling pieces are arranged in parallel and face to face.

According to another embodiment of the present invention,

the first part of the inner leaf wallboard is parallel to the first part of the middle wallboard, and a plurality of first pulling pieces between the first part of the inner leaf wallboard and the first part of the middle wallboard are arranged in parallel and at equal intervals; the second part of the inner leaf wallboard is parallel to the second part of the middle wallboard, and a plurality of first pulling pieces between the second part of the inner leaf wallboard and the second part of the middle wallboard are arranged in parallel and at equal intervals;

the first part of the outer leaf wall panel is parallel to the first part of the middle wall panel, and a plurality of second pulling pieces between the first part of the outer leaf wall panel and the first part of the middle wall panel are arranged in parallel and at equal intervals; the second part of the outer leaf wallboard is parallel to the second part of the middle wallboard, and a plurality of second pulling pieces between the second parts of the outer leaf wallboard and the middle wallboard are arranged in parallel and at equal intervals.

According to another embodiment of the present invention, the distance between adjacent first pulling elements is smaller than the distance between adjacent second pulling elements.

According to another embodiment of the present invention, the first portion of the inner leaf wall panel is flat and the second portion of the inner leaf wall panel is flat, the first portion of the inner leaf wall panel is longer than the second portion of the inner leaf wall panel, the first portion of the inner leaf wall panel is formed by splicing at least two first subsections, one of the first subsections is arranged at the first angle with the second portion of the inner leaf wall panel; and/or the presence of a gas in the gas,

the first part of the middle wall board is flat and the second part of the middle wall board is flat, the first part of the middle wall board is longer than the second part of the middle wall board, the first part of the middle wall board is formed by splicing at least two second subparts, and one of the second subparts and the second part of the middle wall board are arranged at the second angle; and/or the presence of a gas in the gas,

the first part of outer leaf wallboard is the straight form, and the second part of outer leaf wallboard is the straight form, the first part of outer leaf wallboard is longer than the second part of outer leaf wallboard, the first part of outer leaf wallboard is formed by at least two third subportions concatenation, and one of them the third subportion with the second part of outer leaf wallboard is the third angle setting.

According to another embodiment of the present invention, the first part and the second part of the middle wall panel are connected at the joint by a third tie, the structure of the third tie being the same as the structure of the first tie.

According to another embodiment of the present invention, the first angle is 90 °, the second angle is 90 °, and the third angle is 90 °.

According to the utility model discloses a further concrete implementation mode, the front and/or the back of first noumenon portion are equipped with at least one lantern ring, the lantern ring perpendicular to first noumenon portion, hidden column reinforcing bar are located along the depth direction cover of shear force wall body in the lantern ring, and can follow the depth direction is relative the lantern ring removes.

According to the utility model discloses a further embodiment, be located in the cover intra-annular the dark post reinforcing bar can remove the settlement distance in the horizontal direction.

Drawings

Fig. 1 is a perspective view of a shear wall according to an embodiment of the present invention;

fig. 2 shows a first top view of a shear wall body according to an embodiment of the present invention;

fig. 3 shows a second top view of the shear wall body according to the embodiment of the present invention;

fig. 4 shows a side view of a shear wall body according to an embodiment of the present invention;

fig. 5 shows a third top view of a shear wall body according to an embodiment of the present invention;

fig. 6 shows a first perspective view of a first tie member in a shear wall body according to an embodiment of the present invention;

fig. 7 shows a first side view of a first fastener in a shear wall body according to an embodiment of the present invention;

fig. 8 shows a fourth top view of a shear wall body according to an embodiment of the present invention;

fig. 9 shows a fifth top view of a shear wall body according to an embodiment of the present invention;

fig. 10 is a perspective view of a second tie member in a shear wall body according to an embodiment of the present invention;

fig. 11 shows a second side view of a first fastener in a shear wall body according to an embodiment of the present invention;

fig. 12 is a perspective view of a drawknot component fixing tool according to an embodiment of the present invention;

fig. 13 is an enlarged view of a portion a in fig. 12;

fig. 14 shows a first side view of a fastener attachment assembly according to an embodiment of the present invention;

fig. 15 is a side view of a fastener fixing tool according to an embodiment of the present invention;

fig. 16 shows a second side view of a fastener mounting assembly according to an embodiment of the present invention.

Detailed Description

The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to only those embodiments. On the contrary, the intention of implementing the novel features described in connection with the embodiments is to cover other alternatives or modifications which may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Furthermore, some of the specific details are omitted from the description so as not to obscure or obscure the present invention. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1 to 4, the utility model provides a shear wall body 1, include: inner leaf panel 10, middle panel 20, and outer leaf panel 50. Alternatively, the inner leaf panels 10, middle panels 20 and outer leaf panels 50 are formed of concrete or other cement-based material without rebar structures therein. The inner leaf wall panel 10 includes a first portion 11 and a second portion 12 disposed at a first angle, in this embodiment, the first angle is 90 °, that is, the first portion 11 and the second portion 12 of the inner leaf wall panel 10 are perpendicular and orthogonally joined, so that the inner leaf wall panel 10 is integrally "L-shaped", but the first portion 11 and the second portion 12 of the inner leaf wall panel 10 may also be joined at other angles, that is, the first angle may be other angles, for example, 80 °, 95 °, 120 °, and so on.

The middle wall plate 20 comprises a first part 21 and a second part 22 arranged at a second angle, in this embodiment, the second angle is 90 °, that is, the first part 21 and the second part 22 of the middle wall plate 20 are perpendicular and are orthogonally spliced, so that the whole middle wall plate 20 is in an "L shape", but the first part 21 and the second part 22 of the middle wall plate 20 can also be spliced at other angles, that is, the second angle can be other angles, such as 80 °, 95 °, 120 ° and the like; the middle wall board 20 is connected with the inner leaf wall board 10 through a plurality of first tie pieces 40, and encloses a first cavity 10a with the inner leaf wall board 10, and a wall structure reinforcing steel bar 30 is arranged in the first cavity 10a, so that a structure function area of the shear wall body 1 is formed.

The outer leaf wall panel 50 comprises a first portion 51 and a second portion 52 arranged at a third angle, in this embodiment, the third angle is 90 °, that is, the first portion 51 and the second portion 52 of the outer leaf wall panel 50 are perpendicular and orthogonally joined, so that the outer leaf wall panel 50 is overall "L-shaped", but the first portion 51 and the second portion 52 of the outer leaf wall panel 50 may also be joined at other angles, that is, the third angle may be other angles, for example, 80 °, 95 °, 120 °, and so on. The outer leaf wallboard 50 is connected with the middle wallboard 20 through a plurality of second tie pieces 41 and encloses into a second cavity 50a with the middle wallboard 20, and a heat preservation wallboard 60 is arranged in the second cavity 50a, and the heat preservation wallboard 60 is connected with the second tie pieces 41 to form a heat preservation functional area of the shear wall body 1.

Therefore, in the shear wall body 1 of the present application, in the thickness direction (shown in the direction H in fig. 3), the shear wall body 1 is composed of two functional areas, namely, a structural functional area and a thermal insulation functional area. The shear wall body 1 is a prefabricated component with a cavity structure, the shear wall body 1 is provided with a first cavity 10a and a second cavity 50a, and is integrated with the external wall heat preservation and the structural steel bars 30 of the shear wall body 1, the shear wall body 1 is manufactured in a factory, after being hardened, is demoulded and maintained, is transported to a site for assembly, is hoisted in place according to the requirements of a construction drawing, and is poured with concrete in the first cavity 10a to form the building wall body. Manual formwork supporting, formwork removing and heat preservation operations on a construction site are omitted, and even later manual plastering operations are omitted.

In a factory, the heat-insulating wall board 60 is integrated with the middle wall board 20 and the outer leaf wall board 50 into a prefabricated part through the second pulling piece 41, so that manual operation on a construction site is avoided, and the phenomenon that a heat-insulating protective layer is peeled off due to quality problems is avoided. The shear wall body 1 of this application adopts the structure of taking the cavity, wants lighter than traditional precast concrete side fascia dead weight, and the cost of manufacture is lower, the preparation efficiency is higher. Can effectively reduce the cost and is more beneficial to the popularization and the comparison of the assembly type building technology.

In addition, as shown in fig. 3, the wall structure reinforcing steel bars 30 inside the first cavity 10a integrate the wall body reinforcing steel bars (in the region of A, B in fig. 3) and the hidden column reinforcing steel bars (outside the region of A, B in fig. 3) of the shear wall, that is, the hidden column reinforcing steel bars are arranged at the two ends of the shear wall body 1, the wall body reinforcing steel bars are arranged in the middle part, and therefore, the reinforcing steel bars do not need to be manually bound on site, and a large amount of labor and material costs are saved. The first cavity 10a is a stressed structure layer of the shear wall body 1, and in the building construction process, after the shear wall body 1 is hoisted in place, concrete is poured into the first cavity 10a to fill the cavity, and the inner leaf wall panels 10 and the middle wall panels 20 on the two sides of the concrete are templates for pouring the concrete. Before concrete is poured, the cavity opening parts at the two ends of the shear wall body 1 can be sealed by using templates. The poured concrete forms a structural stressed wall together with the wall construction rebar 30 integrated within the first cavity 10 a. And, concrete is poured into the first cavity 10a, so that the wall body part and the hidden column part of the shear wall are formed by one-time pouring, and the condition that two construction processes of cast-in-place and prefabrication are staggered does not exist.

Moreover, the first tie member 40 and the second tie member 41 are installed in the shear wall body 1, and do not need to be installed and disassembled manually on the construction site, so that the labor cost can be effectively saved compared with the traditional counter-pulling screw, the construction period is shortened, the building industrialization degree is improved, and the cost can be effectively reduced compared with a fiber reinforced composite (FRP) tie member or a stainless steel tie member in a precast concrete wall body, and the popularization of the assembly type building technology is facilitated.

Alternatively, the inner leaf wall panels 10 and the middle wall panels 20 are tensile wall panels to resist lateral pressure generated when concrete is poured in the first cavity 10a, and the materials used include, but are not limited to, cement-based composite materials, metals, and synthetic composite materials.

Optionally, the outer leaf wall panel 50 is a decorative layer of the shear wall body 1 and a protective layer of the thermal insulation wall panel 60, so as to protect the thermal insulation wall panel 60 from external force and environmental damage, and meanwhile, the outer leaf wall panel 50 may also be integrated with an outer decoration of an outer wall, and the spraying and pasting processes of the outer wall decoration may be completed in a factory.

Alternatively, the thermal insulation wall board 60 may use a board with thermal insulation performance with fire-proof rating of B level or above, the surface of the thermal insulation wall board 60 may be coated or coated according to the requirement, and the position and range of the thermal insulation board are arranged according to the building drawing of the actual project.

Optionally, the first tie member 40 serves to connect the inner leaf wall panel 10 and the middle wall panel 20 together and to resist side pressure during concrete casting, and uses a processing material having a tensile strength, including but not limited to metal or synthetic composite material.

Optionally, the second tie member 41 is used to connect the thermal insulation wall board 60, the middle wall board 20 and the outer wall board 50 together, so that the outer wall board 50 with the thermal insulation layer protection function cannot fall off, in order to reliably connect the second tie member 41 with the wall structure part, the second tie member 41 penetrates through the middle wall board 20 and the thermal insulation wall board 60, one end of the second tie member is located in the outer wall board 50, the other end of the second tie member is located in the first cavity 10a, concrete is poured in the first cavity 10a, after the concrete is hardened, the second tie member 41 can be reliably fixed in the wall board of the shear wall body 1 and is not easy to fall off, so that the structural functional area and the thermal insulation functional area are connected into a whole through the first tie member 40 and the second tie member 41, and the overall strength of the shear wall body 1 is improved. Alternatively, the second pulling member 41 may be made of a material having a low heat transfer system, such as stainless steel.

Alternatively, referring to fig. 1, 3 and 4, the insulating wall panel 60 is attached to the first portion 21 and the second portion 22 of the middle wall panel 20, respectively, and is spaced apart from the outer leaf wall panels 50 to form a third cavity 50 b. That is, the thermal wall panel 60 includes the first portion and the second portion 62 that are the fourth angle setting, and the numerical value of fourth angle and second angle equals, and the first portion of thermal wall panel 60 is laminated with the first portion of middle part wallboard 20 mutually, and the second portion 62 of thermal wall panel 60 is laminated with the second portion 22 of middle part wallboard 20 mutually.

Be formed with third cavity 50b between outer leaf wallboard 50 and the heat preservation wallboard 60, third cavity 50b is the waterproof layer of shear force wall body 1, in case the rainwater passes through within piece or the crack infiltration outer leaf wallboard 50, moisture can be down the landing along the inner wall of outer leaf wallboard 50, or attach and wait for its evaporation on the inner wall of outer leaf wallboard 50, can not be toward inside infiltration again, and water-proof effects is good. Therefore, the shear wall body 1 integrates heat preservation and waterproof functions on the prefabricated parts, heat preservation and waterproof process operation on the wall board at the later stage of manual work is not needed, labor cost is reduced, and construction period is shortened.

Referring to fig. 1, 4 and 5, in the depth direction of the shear wall body 1 (shown in the Z direction in fig. 1 and 4), a plurality of layers of first tie members 40 are arranged between the inner leaf wall panel 10 and the middle wall panel 20, and each layer has a plurality of first tie members 40 arranged at intervals (the Y direction in fig. 5 shows the interval direction); a plurality of layers of second pulling-on pieces 41 are arranged between the middle wall plate 20 and the outer leaf wall plate 50, and each layer is provided with a plurality of second pulling-on pieces 41 arranged at intervals. Referring to fig. 5, taking the first fastener 40 as an example, along the extending direction (shown in the X direction in fig. 5) of the first fastener 40, one end of each first fastener 40 is concave-convex fitted with the inner leaf wall panel 10, and the other end is concave-convex fitted with the middle wall panel 20.

Alternatively, the ends of the first tie member 40 are anchored into the inner leaf wall panel 10 and the middle wall panel 20, respectively, the inner leaf wall panel 10 and the middle wall panel 20 being formed of concrete or other cement-based material, i.e. the ends of the first tie member 40 are anchored into the concrete or other cement-based material, respectively. Because both ends of first drawknot piece 40 respectively with interior leaf wallboard 10 and middle part wallboard 20 unsmooth cooperation, set up like this and can improve the bond stress of first drawknot piece 40 in interior leaf wallboard 10 and middle part wallboard 20 to promote interior leaf wallboard 10 and middle part wallboard 20 and resist the lateral pressure in the concrete placement process jointly. Alternatively, both end shapes of the first pulling piece 40 are processed into a concavo-convex shape.

In some possible embodiments, one end of each second pulling element 41 is concave-convex matched with the outer leaf wall plate 50, and the other end is concave-convex matched with the building material poured in the middle wall plate 20 or the first cavity 10 a. That is, the two ends of the second tie member 41 are respectively in concave-convex fit with the outer leaf wall plate 50 and the middle wall plate 20, so that the holding force of the second tie member 41 in the outer leaf wall plate 50 and the middle wall plate 20 can be improved. Or, both ends of the second tie member 41 are respectively in concave-convex fit with the outer leaf wall panel 50 and the building material poured in the first cavity 10a, so that the holding force of the second tie member 41 in the building material poured in the outer leaf wall panel 50 and the first cavity 10a can be improved.

Alternatively, referring to fig. 6 and 7, the first pulling member 40 includes a first body portion 43 extending along the first direction (indicated by X direction in fig. 6 and 7), and optionally, the first body portion 43 has an elongated shape, and a length direction dimension of the first body portion 43 is greater than a width direction dimension (indicated by M direction in fig. 6); in a second direction (indicated by Y direction in fig. 7) perpendicular to the first direction, the first body portion 43 has a front surface 46 and a rear surface 47; at least one first convex part 441 is arranged on the front surface 46 and the back surface 47 of the first body part 43 at one end 44 of the first body part 43, that is, the one end 44 of the first body part 43 is processed into a concave-convex shape, two first convex parts 441 are shown in fig. 7, but the number of the first convex parts 441 is not limited to this, and is selected according to the actual engineering requirements; at the other end 45 of the first body portion 43, the front surface 46 and the back surface 47 of the first body portion 43 are provided with at least one second protrusion 451, that is, the other end 45 of the first body portion 43 is processed into a concave-convex shape, and two second protrusions 451 are shown in fig. 7, but the number of the second protrusions 451 is not limited thereto, and is selected accordingly according to the actual engineering requirements.

In some possible embodiments, at one end of the first body portion 43, the front surface 46 and the back surface 47 of the first body portion 43 are each provided with at least two first protrusions 441, and the adjacent first protrusions 441 on the front surface 46 of the first body portion 43 are different in thickness and the adjacent first protrusions 441 on the back surface 47 of the first body portion 43 are different in thickness along the second direction; at the other end of the first body portion 43, the front surface 46 and the back surface 47 of the first body portion 43 are provided with at least two second protrusions 451, and the thicknesses of the adjacent second protrusions 451 of the front surface 46 of the first body portion 43 and the thicknesses of the adjacent second protrusions 451 of the back surface 47 of the first body portion 43 are different in the second direction. By the arrangement, two ends of the first pulling piece 40 can be better matched with the inner leaf wallboard 10 and the middle wallboard 20 in a concave-convex mode, the holding force of the first pulling piece 40 in the inner leaf wallboard 10 and the middle wallboard 20 can be improved, and therefore the side pressure of the inner leaf wallboard 10 and the middle wallboard 20 in the concrete pouring process is improved.

In some possible embodiments, the front surface 46 or the back surface 47 of one end of the first body portion 43 is provided with at least one first protrusion 441, and the front surface 46 or the back surface 47 of the other end of the first body portion 43 is provided with at least one second protrusion 451.

Alternatively, referring to fig. 6 and 7, the first body portion 43 is flat, and the thickness of the first body portion 43 along the second direction is between 1mm and 3mm, including 1mm and 3mm, such as 1.8mm, 2.2mm, and the like. The first body portion 43 is formed with an inner concave surface 48 at a central region thereof in a direction from the front surface 46 to the rear surface 47 of the first body portion 43 (direction C in fig. 7), the inner concave surface 48 protruding beyond the rear surface 47 of the first body portion 43. The middle area of the first body part 43 can be processed into an inward concave shape by adopting but not limited to a stamping process, so that the strength of the first body part 43 in the weak axis direction (shown in the Y direction in fig. 7) can be effectively increased, the first pulling piece 40 is not easy to deform in the weak axis direction under the action of external force, the effect of enhancing the out-of-plane rigidity of the first pulling piece 40 is achieved, and then the strength of the inner leaf wallboard 10 and the middle wallboard 20 connected together through the first pulling piece 40 is improved.

In some possible embodiments, the thickness of the concave surface 48 protruding the back surface 47 of the first body portion 43 is between 1mm and 3mm, including 1mm and 3mm, such as 1.8mm, 2.2mm, and the like. This is advantageous in that the strength in the weak axis direction of the first body portion 43 is increased with a reduced thickness of the first body portion 43.

In some possible embodiments, the middle region of the first body portion 43 is formed with an inner concave surface 48 in a direction from the back surface 47 to the front surface 46 of the first body portion 43, the inner concave surface 48 protruding the front surface 46 of the first body portion 43. That is, the form of the machined concave surface 48 is the reverse of the above-described embodiment.

Referring to fig. 5, each of the first pulling members 40 is perpendicularly connected to the inner leaf wall panel 10 and the middle wall panel 20, respectively, in a first direction (indicated by X in fig. 5); in the second direction (shown in the Y direction in fig. 5), the first body portions 43 of the adjacent first pulling members 40 are arranged in parallel and face to face. That is, the depth direction of the shear wall body 1 is parallel to the first body part 43 and perpendicular to the weak axis direction of the first body part 43, and the first tie member 40 is arranged in this way, so that the first tie member 40 is prevented from being deformed in the process of transporting the shear wall body 1 to the site for assembly.

If the first pulling element 40 is connected vertically to the inner leaf panel 10 and the middle panel 20 in such a way that: the depth direction of the shear wall body 1 is perpendicular to the first body part 43 and parallel to the weak axis direction of the first body part 43, so that the first tie member 40 is easily deformed in the process of transporting the shear wall body 1 to the field for assembly, and the connection strength between the inner leaf wall panel 10 and the middle wall panel 20 is reduced.

Alternatively, referring to fig. 6, the bottom of the concave inner surface 48 is provided with at least two through holes 49. The at least two through holes 49 serve as a positioning function, so that when the first tie member 40 is installed in the inner leaf wall panel 10 and the middle wall panel 20, the first tie member 40 is maintained in a relatively vertical state with respect to the inner leaf wall panel 10 and the middle wall panel 20 at both ends thereof by corresponding tooling (described in detail later), and the depth of the first tie member 40 inserted into the inner leaf wall panel 10 and the middle wall panel 20 is ensured to be accurate. Because the two points define a straight line, the two holes can help the first fastener 40 to maintain a relatively perpendicular position with respect to the wall panels at the two ends, so as to achieve accurate positioning of the first fastener 40.

Alternatively, the structure of the second fastener member 41 is the same as that of the first fastener member 40, and reference may be made to the description of the first fastener member 40 in conjunction with fig. 6 and 7. The second pulling element 41 comprises a second body portion extending in the first direction, optionally the second body portion is elongated; the second body part has a front surface and a back surface along a second direction perpendicular to the first direction; at least one first convex part is arranged on one end of the second body part, the front surface and the back surface of the second body part, namely, one end of the second body part is processed into a concave-convex shape, and corresponding selection is made according to actual engineering requirements; at least one second convex part is arranged on the other end of the second body part, namely the front surface and the back surface of the second body part, namely the other end of the second body part is processed into a concave-convex shape, but the number of the second convex parts is not limited to the above, and the second convex parts are selected according to the actual engineering requirements.

In some possible embodiments, the front or back surface of one end of the second body part is provided with at least one first protrusion, and the front or back surface of the other end of the second body part is provided with at least one second protrusion.

Optionally, the second body portion is flat, and the thickness of the second body portion along the second direction is between 1mm and 3mm, including 1mm and 3mm, such as 1.8mm, 2.2mm, and the like. The middle region of the second body portion is formed with an inner concave surface protruding the back surface of the second body portion in a direction from the front surface to the back surface of the second body portion. The middle area of the second body part can be processed into an inward concave shape by adopting but not limited to a stamping process, the strength of the second body part in the weak axis direction can be effectively increased, the second pulling part is not easy to deform in the weak axis direction under the action of external force, the effect of enhancing the plane external rigidity of the second pulling part is achieved, and then the strength of the outer leaf wallboard 50 and the middle wallboard 20 connected together through the second pulling part 41 is improved.

In some possible embodiments, the thickness of the rear face 47 of the concave face protruding out of the second body portion is between 1mm and 3mm, including 1mm and 3mm, such as 1.8mm, 2.2mm, etc.

In some possible embodiments, the middle region of the second body part is formed with an inner concave surface protruding from the front surface of the second body part in a direction from the rear surface to the front surface of the second body part. That is, the form of the machined concave surface is opposite to that of the above-described embodiment.

In the first direction, each second tie member 41 is vertically connected to the outer leaf wall panel 50 and the middle wall panel 20, respectively; in the second direction, the second body portions of the adjacent second pulling elements 41 are arranged in parallel and face to face. That is, the depth direction of the shear wall body 1 is parallel to the second body part and perpendicular to the weak axis direction of the second body part, and after the second tie member 41 is arranged in this way, the second tie member 41 is prevented from being deformed in the process of transporting the shear wall body 1 to the site for assembly.

If the second tie member 41 is vertically connected to the outer panel 50 and the middle panel 20 in such a manner that: the depth direction of the shear wall body 1 is perpendicular to the second body part and parallel to the weak axis direction of the second body part, so that the second tie members 41 are easy to deform in the process of transporting the shear wall body 1 to the site for assembly, and the connection strength between the outer leaf wall plate 50 and the middle wall plate 20 is reduced.

Optionally, the bottom of the concave surface is provided with at least two through holes. The at least two through holes serve as a positioning function, when the second tie member 41 is installed in the outer leaf wall plate 50 and the middle wall plate 20, the second tie member 41 is maintained in a relatively vertical state with respect to the outer leaf wall plate 50 and the middle wall plate 20 at both ends thereof by corresponding tooling (described in detail later), and the depth of the second tie member 41 inserted into the outer leaf wall plate 50 and the middle wall plate 20 is ensured to be accurate. Because the two points define a straight line, the two holes can help the second tie member 41 to maintain a relatively perpendicular state with respect to the wall panels at the two ends, so as to achieve accurate positioning of the second tie member 41.

Optionally, with continued reference to fig. 2 and 3, the first portion 11 of the inner leaf panel 10 is parallel to the first portion 21 of the middle panel 20, and a plurality of first tie members 40 between the first portion 11 of the inner leaf panel 10 and the first portion 21 of the middle panel 20 are arranged in parallel and equally spaced; the second portion 12 of the inner leaf wall panel 10 is parallel to the second portion 22 of the middle wall panel 20, and the plurality of first tie members 40 between the second portion 12 of the inner leaf wall panel 10 and the second portion 22 of the middle wall panel 20 are arranged in parallel and at equal intervals; the first portion 51 of the outer leaf panel 50 is parallel to the first portion 21 of the middle panel 20, and the plurality of second tie members 41 between the first portion 51 of the outer leaf panel 50 and the first portion 21 of the middle panel 20 are arranged in parallel and at equal intervals; the second portion 52 of the outer leaf wall panel 50 is parallel to the second portion 22 of the middle wall panel 20, and the plurality of second tie members 41 between the second portion 52 of the outer leaf wall panel 50 and the second portion 22 of the middle wall panel 20 are arranged in parallel and equally spaced.

Alternatively, the interval between the adjacent first pulling members 40 is smaller than the interval between the adjacent second pulling members 41. After the arrangement, the number of the second tie members 41 between the middle wall plate 20 and the outer leaf wall plate 50 can be reduced on the premise that the connection strength between the inner leaf wall plate 10 and the middle wall plate 20 is ensured. In some possible embodiments, when one end of the second pulling member 41 is located in the first cavity 10a, the interval between the adjacent second pulling members 41 may be further increased to reduce the number of the second pulling members 41.

Alternatively, referring to fig. 1 to 3, the first portion 11 of the inner leaf wall panel 10 is flat, the second portion 12 of the inner leaf wall panel 10 is flat, and the first portion 11 of the inner leaf wall panel 10 is longer than the second portion 12 of the inner leaf wall panel 10, i.e. the inner leaf wall panel 10 is formed by joining a longer straight wall section with a shorter straight wall section at the end, and optionally the inner leaf wall panel 10 is "L-shaped", i.e. the first portion 11 of the inner leaf wall panel 10 is perpendicular to the second portion 12 of the inner leaf wall panel 10. The first portion 21 of the middle wall panel 20 is flat, the second portion 22 of the middle wall panel 20 is flat, the first portion 21 of the middle wall panel 20 is longer than the second portion 22 of the middle wall panel 20, i.e. the middle wall panel 20 is formed by splicing a longer straight wall section and a shorter straight wall section at the end, optionally, the middle wall panel 20 is "L-shaped", i.e. the first portion 21 of the middle wall panel 20 is perpendicular to the second portion 22 of the middle wall panel 20. The first portion 51 of the outer leaf panel 50 is straight, the second portion 52 of the outer leaf panel 50 is straight, and the first portion 51 of the outer leaf panel 50 is longer than the second portion 52 of the outer leaf panel 50, i.e., the outer leaf panel 50 is formed by joining a longer straight wall section with a shorter straight wall section at the ends, alternatively, the outer leaf panel 50 is "L-shaped", i.e., the first portion 51 of the outer leaf panel 50 is perpendicular to the second portion 52 of the middle panel 20.

In some possible embodiments, the longer first portion 11 of the inner leaf panel 10 is integrally formed, the longer first portion 21 of the middle panel 20 is integrally formed, and the longer first portion 51 of the outer leaf panel 50 is integrally formed.

In some possible embodiments, referring to fig. 8 and 9, the first portion 11 of the inner leaf wall panel 10 is formed by splicing at least two first sub-portions 11a, one of the first sub-portions 11a being disposed at a first angle to the second portion 12 of the inner leaf wall panel 10. That is, the first portion 11 of the longer inner panel 10 is formed by splicing together shorter sections to facilitate manufacture and installation. The first portion 21 of the middle wall panel 20 is formed by splicing at least two second sub-portions 21a, wherein one second sub-portion 21a is arranged at a second angle to the second portion 22 of the middle wall panel 20. That is, the first portion 21 of the longer central panel 20 is formed by splicing together shorter sections to facilitate manufacture and installation. The first portion 51 of the outer leaf wall panel 50 is formed by splicing at least two third sub-portions 51a, wherein one third sub-portion 51a is arranged at a third angle to the second portion 52 of the outer leaf wall panel 50. That is, the first portion 51 of the longer outer panel 50 is formed by splicing together shorter sections to facilitate manufacture and installation. The first part of the thermal wall panel 60 is formed by splicing at least two fourth subsections 61a, wherein one fourth subsection 61a is arranged at a fourth angle to the second part 62 of the thermal wall panel 60. That is, the first part of the longer insulating wall panel 60 is formed by splicing a plurality of shorter sections, which is advantageous for processing and installation.

Referring to fig. 9, an opening 10b extending in the depth direction of the shear wall body 1 and communicating with the first cavity 10a is formed between the two first sub-portions 11a, the opening 10b serves as an operation working surface, and a blocking template 11b covers the opening 10 b.

Optionally, the corner cavity (similar to an "L-shaped" cavity) is defined by one of the first sub-portions 11a connected to the second portion 12 of the inner leaf wall panel 10, one of the second sub-portions 21a connected to the second portion 22 of the middle wall panel 20, and the remaining first sub-portions 11a of the inner leaf wall panel 10 and the remaining second sub-portions 21a of the middle wall panel define a straight-section cavity. That is, the first sub-section 11a of the inner leaf wall panel 10 is parallel to the second sub-section 21a of the middle wall panel 20, the second section 12 of the inner leaf wall panel 10 is perpendicular to the first sub-section 11a, and the second section 22 of the middle wall panel 20 is perpendicular to the second sub-section 21 a.

The wall structure reinforcing bars 30 include: the straight section hidden column steel reinforcement framework 31, the straight section wall body steel reinforcement framework 32, the connecting steel reinforcement 33 and the corner hidden column steel reinforcement framework 34; the corner cavity is equipped with corner hidden column steel reinforcement framework 34, the straight section cavity with the adjacent part of corner cavity is equipped with straight section wall steel reinforcement framework 32, the rest of straight section cavity is equipped with straight section hidden column steel reinforcement framework 31, straight section wall steel reinforcement framework 32 with corner hidden column steel reinforcement framework 34 is connected through connecting reinforcement 33. The novel prefabricated part for building construction is provided, and is favorable for completing the installation of the wall structure reinforcing steel bars 30 in the shear wall body 1.

Wherein, referring to fig. 8, the connecting steel bar 33 is located in the straight cavity before the first part 11 of the inner leaf wall panel 10 and the first part 21 of the middle wall panel 20 are spliced; referring to fig. 9, after the first portion 11 of the inner leaf wall panel 10 and the first portion 21 of the middle wall panel 20 are spliced and formed, the connection of the straight wall body steel reinforcement framework 32 and the corner hidden column steel reinforcement framework 34 is realized by the operation working face that the connection steel reinforcement 33 extends into the corner cavity from the straight section cavity. I.e. the process is repeated. The connecting steel bars 33 are initially retracted into the cavities of the straight sections and extend into the cavities of the corners to be spliced when the wall is spliced. The connecting steel bars 33 in the straight section cavities can extend into the corner cavities which are spliced with each other from the straight section cavities through the operation working face, the steel bar connection work of the two wall bodies is completed, and then the operation working face is blocked by the blocking template 11 b.

Also, the first cavity 10a enclosed by the inner leaf wall plate 10 and the middle wall plate 20 includes an L-shaped cavity and at least two straight-section cavities formed by splicing, the embedded column reinforcing steel bars are integrated in the L-shaped cavity and the straight-section cavity of the head section and the tail section of the first cavity 10a, and the wall reinforcing steel bars are integrated in the straight-section cavity of the middle section of the first cavity 10 a. This is favorable to reducing the installation degree of difficulty and the processing degree of difficulty of the shear wall body 1 of job site.

As described above, the inner leaf wall panel 10, the middle wall panel 20, the insulation wall panel 60, and the outer leaf wall panel 50 are not integrally formed, but are formed by splicing. In some possible embodiments, one of the inner leaf wall panel 10, the middle wall panel 20, the heat insulation wall panel 60 and the outer leaf wall panel 50 can be formed by splicing, and the rest are integrally formed; or two of the inner leaf wallboard 10, the middle wallboard 20, the heat-insulating wallboard 60 and the outer leaf wallboard 50 are spliced, and the rest are integrally formed; or three of the inner leaf wallboard 10, the middle wallboard 20, the heat-insulating wallboard 60 and the outer leaf wallboard 50 are spliced, and the rest are integrally formed.

Optionally, referring to fig. 3, the first portion 21 and the second portion 22 of the middle wall panel 20 are connected by a third tie member 42 at the connection position, and the structure of the third tie member 42 is the same as that of the first tie member 40, which may be specifically referred to the structural description of the first tie member 40 and will not be repeated herein. The first part 21 and the second part 22 of the middle wall panel 20 are connected by the third tie member 42 at the joint, which can further enhance the strength of the middle wall panel 20, facilitate resisting the lateral pressure generated when the concrete is poured in the first cavity 10a, and better support the thermal insulation wall panel 60, so that the overall strength formed by the structural functional area and the thermal insulation functional area is further improved.

As described above, the shear wall body 1 of the present application includes the inner leaf wall panel 10, the middle wall panel 20, the insulation wall panel 60, and the outer leaf wall panel 50. In some possible embodiments, the shear wall may be a shear wall comprising an inner leaf wall panel 10 (first wall panel) and a middle wall panel 20 (second wall panel), excluding the insulation wall panel 60 and the outer leaf wall panel 50. Middle part wallboard 20 and interior leaf wallboard 10 are connected through a plurality of first drawknot pieces 40 to set up with interior leaf wallboard 10 interval, the one end and the unsmooth cooperation of interior leaf wallboard 10 of each first drawknot piece 40, the other end and the unsmooth cooperation of middle part wallboard 20. In the first direction, each first pulling element 40 is vertically connected to the inner leaf wall panel 10 and the middle wall panel 20 respectively; in the second direction, the first body portions 43 of the adjacent first pulling elements 40 are arranged in parallel and face to face.

In some possible embodiments, the first angle of the first and second portions 11, 12 of the inner leaf panels 10 is 0 ° and the second angle of the first and

second portions

21, 22 of the middle panel 20 is 0 °.

Optionally, the embedded column reinforcing steel bars in the first cavity 10a can move relative to the shear wall body 1 along the depth direction, so that the embedded column reinforcing steel bars have a certain moving space, and if the embedded column reinforcing steel bars collide during hoisting, the collided embedded column reinforcing steel bars can be corrected easily.

Referring to fig. 10 and 11, each of the front surface 46 and/or the back surface 47 of the first body portion 43 is provided with at least one collar 431, the collar 431 is perpendicular to the first body portion 43, and the stud steel bar is sleeved in the collar 431 along the depth direction and can move relative to the collar 431 along the depth direction. That is, the lantern ring 431 plays a positioning role for the hidden column reinforcing steel bars, prevents the hidden column reinforcing steel bars from toppling over, influences the pouring quality, and does not influence the movement of the hidden column reinforcing steel bars in the depth direction. The first tie member 40 can also replace a tie bar or a single-limb hoop of the frame column wall body 1 to limit the deformation of the hidden column steel bar.

In the present embodiment, two collars 431 are provided on the back surface 47 of the first body portion 43, and the number of collars 431 is not limited thereto. The collar 431 may be provided on the front surface 46 of the first body portion 43. The location and number of the collars 431 are matched with the arrangement form of the hidden column reinforcing steel bars.

Optionally, the hidden column steel bar in the collar 431 can move in the horizontal direction for a set distance, the set distance is not limited, and the set distance is selected according to the construction requirement, for example, 1mm, 2mm, 3mm, and the like. Therefore, the hidden column reinforcing steel bars have certain moving space in the depth direction and the horizontal direction, and collision inspection and correction of the hidden column reinforcing steel bars are facilitated.

In addition, in order to keep the first tie member 40 and the wall panels at the two ends thereof in a relatively vertical state, referring to fig. 12 to 16, the present application also provides a tie member fixing tool 7, including: a mounting portion 70 extending in a longitudinal direction (shown in a direction E in fig. 12 to 14), the mounting portion 70 having a mounting surface 71 for fitting with the first fastener 40, the specific shape of the mounting surface 71 is not limited, and may be a plane surface that can be fitted with the first fastener 40, or alternatively, the mounting surface 71 is a plane surface that is fitted with the first body portion 43 of the first fastener 40; the specific shape of the mounting portion 70 is not limited, and may be a mounting surface 71 that can be attached to the first tie member 40, and alternatively, the mounting portion 70 may be a rectangular tube, and in some possible embodiments, the mounting portion 70 may be a polygonal tube, a circular tube, or the like.

A plurality of sets of first positioning portions 72 are arranged on the mounting surface 71 at intervals along the length direction, each set of first positioning portions 72 includes at least two protrusions 721 arranged at intervals along the width direction (shown in the direction F in fig. 13 to 15), all the protrusions 721 are on the same straight line, an included angle between a connecting line of all the protrusions 721 and the length direction is a set angle, and each protrusion 721 is used for passing through the through hole 49 on the tie member when the first tie member 40 is attached to the mounting surface 71 along the width direction. That is, one set of the first positioning portions 72 corresponds to one first pulling member 40 for positioning the first pulling member 40.

The fastener fixing tool 7 further comprises a second positioning portion 73, the second positioning portion 73 comprises a clamping strip 732 and at least two clamping portions 731, the at least two clamping portions 731 are arranged on the mounting surface 71 at intervals along the length direction, the clamping strip 732 is used for respectively abutting against the first fastener 40 and the clamping portions 731 along the thickness direction (shown in the direction G in fig. 12, 15 and 16) after the through hole 49 of the first fastener 40 is sleeved on the projection 721 and attached to the mounting surface 71, and the movement of the first fastener 40 in the thickness direction is limited so as to mount the first fastener 40 on the fixing tool 7; wherein the thickness direction, the length direction and the width direction are mutually perpendicular.

In other words, all the first pulling members 40 to be mounted are attached to the mounting surface 71 along the width direction, the extending direction (the first direction) of the first pulling members 40 is consistent with the width direction, after the through holes 49 of all the first pulling members 40 are respectively sleeved on the corresponding protrusions 721, the clamping strips 732 are placed in the clamping portions 731, so that the clamping strips 732, the first pulling-connecting piece 40 and the clamping parts 731 are butted in the thickness direction, the number of the clamping strips 732 can be a plurality, the number of the catching strips 732 is selected according to the gap between the catching portion 731 and the first pulling member 40 in the thickness direction, so as to press the first pulling member 40, therefore, the movement of the first pulling member 40 in the thickness direction is restricted, the first pulling member 40 does not come off the projection 721, the first pulling member 40 is mounted on the fixing tool 7, and all the first pulling members 40 are perpendicular to the length direction of the mounting portion 70.

Then, when the first tie members 40 are vertically connected to the wall boards at two ends thereof, as long as it is ensured that the fixing tool 7 extends along the depth direction of the shear wall body 1, that is, the length direction of the fixing tool 7 is consistent with the depth direction of the shear wall body 1, all the first tie members 40 on the fixing tool 7 may be perpendicular to the depth direction of the shear wall body 1, and accordingly, all the first tie members 40 are perpendicular to the inner leaf wall board 10 and the middle wall board 20 extending along the depth direction.

Therefore, use fixed frock 7 of this application can guarantee that first drawknot piece 40 keeps relative vertical state with the wallboard at its both ends for drawknot power between the wallboard at first drawknot piece 40 and its both ends obtains guaranteeing, like this under the effect of first drawknot piece 40, the wallboard at its both ends is drawn together, can resist the lateral pressure that produces when pouring the concrete in the cavity.

Alternatively, the set angle between the line of all the protrusions 721 and the length direction is 90 °, that is, the line of all the protrusions 721 extends in the width direction, and the line of the plurality of through holes 49 on the first tie member 40 also extends in the width direction. The specific values of the angles set between the connection lines of all the bumps 721 and the length direction are not limited, and the following conditions are satisfied: the included angle between the connecting line of all the through holes 49 on the first pulling member 40 and the first direction is consistent with the set angle, the first pulling member 40 is attached to the mounting surface 71 along the width direction, and the through holes 49 on the first pulling member 40 are sleeved on the corresponding protrusions 721. For example, the set angle between the connection line of all the protrusions 721 and the length direction is 10 °, the included angle between the connection line of all the through holes 49 on the first pulling member 40 and the first direction is also 10 °, the first pulling member 40 is attached to the mounting surface 71 along the width direction, and the through holes 49 on the first pulling member 40 are sleeved on the corresponding protrusions 721.

Optionally, the multiple groups of first positioning portions 72 are disposed on the mounting surface 71 at equal intervals along the length direction, so that all the first pulling members 40 are also disposed on the mounting surface 71 at equal intervals along the length direction, which is beneficial to evenly distributing the pulling force of the first pulling members 40 and the wall boards at two ends thereof on the shear wall body 1.

Alternatively, at least two clamping parts 731 are arranged at intervals along the length direction and are positioned on the same straight line. Alternatively, the connecting lines of all the catching portions 731 extend in the longitudinal direction. Accordingly, the clip strip 732 also extends in the length direction. In some possible embodiments, all the clamping portions 731 may not be located on the same straight line, and the first pulling member 40 may be pressed against the mounting surface 71 by the clamping strip 732.

Optionally, referring to fig. 13, each of the clamping portions 731 and the mounting surface 71 form a notch 733, for clamping the clamping strip 732 into the notch 733. After all the first pulling members 40 are sleeved on the convex blocks 721 of the mounting surface 71, the clamping strips 732 are inserted into the notches 733 between the clamping portions 731 and the mounting surface 71, so that the first pulling members 40 are conveniently mounted on the fixing tool 7. Meanwhile, after all the first tie members 40 are vertically connected with the wall plates at the two ends of the first tie members, the clamping strip 732 is removed from the notch 733, so that the convex block 721 of the mounting part 70 can be conveniently separated from the through hole 49 of the first tie member 40, and the fixing tool 7 can be conveniently removed from the first tie member 40.

Optionally, the opening direction of each notch 733 is the same. This also facilitates insertion of the clip strip 732 into the notch 733 between the clip portion 731 and the mounting surface 71.

Alternatively, referring to fig. 15, each of the catching portions 731 is Z-shaped. Each of the clamping parts 731 includes a first portion 7311, a second portion 7312, and a third portion 7313 connected in sequence; the first portion 7311 is attached to the mounting surface 71 and fixed to the mounting surface 71 by bolts, the second portion 7312 is perpendicular to the mounting surface 71, and the third portion 7313 is parallel to the mounting surface 71 and spaced apart in the thickness direction to form the notch 733. When the first fastener 40 is fixed, the locking strip 732 is inserted into the notch 733 and then abuts against the first fastener 40 and the third portion 7313, respectively, to press the first fastener 40.

It will be understood by those skilled in the art that the shape of the catching portion 731 is not limited thereto, and the catching bar 732 can be inserted between the catching portion 731 and the first pulling member 40 to press the first pulling member 40.

With reference to fig. 14 and 16, the present application also provides a fastener attachment assembly 8 comprising: the fastener fixing tool 7 of any one of the embodiments described above; each of the first pulling members 40 of the above embodiments includes a first body portion 43, the first body portion 43 extends along a first direction, at least two through holes 49 are formed in the first body portion 43 and spaced along the first direction, the through holes 49 of the pulling members are sleeved on the protrusions 721, the first body portion 43 is attached to the mounting surface 71 along a width direction, and the first direction and the width direction are consistent; the engaging strips 732 abut against the first body portion 43 and the engaging portion 731 in the thickness direction, respectively, and the movement of the fastener in the thickness direction is restricted.

The application still provides a shear force wall body 1, including the fixed assembly 8 of the drawknot piece of any above-mentioned embodiment, the length direction of installation department 70 is unanimous with the depth direction of shear force wall body 1, and the one end of each first drawknot piece 40 is unsmooth cooperation with interior leaf wallboard 10, and the other end is unsmooth cooperation with middle part wallboard 20.

While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a more detailed description of the invention, and the specific embodiments thereof are not to be considered as limiting. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. A shear wall body, comprising:

an inner leaf panel comprising a first portion and a second portion disposed at a first angle;

the middle wallboard comprises a first part and a second part which are arranged at a second angle, the middle wallboard is connected with the inner leaf wallboard through a plurality of first pulling pieces and forms a first cavity with the inner leaf wallboard in a surrounding mode, and wall structure steel bars are arranged in the first cavity;

the outer leaf wallboard comprises a first part and a second part, wherein the first part and the second part are arranged in a third angle mode, the outer leaf wallboard is connected with the middle wallboard through a plurality of second pulling pieces and surrounds into a second cavity, a heat-insulating wallboard is arranged in the second cavity, and the heat-insulating wallboard is connected with the second pulling pieces.

2. The shear wall of claim 1, wherein the thermal insulation wall panel is attached to the first and second portions of the middle wall panel, respectively, and spaced apart from the outer leaf wall panels to form a third cavity.

3. The shear wall of claim 1, wherein the second tie passes through the middle wall panel and the insulating wall panel with one end located within the outer leaf wall panel and the other end located within the first cavity.

4. The shear wall of claim 1, wherein each of the first tie members has one end that is concavo-convex engaged with the inner leaf wall panel and another end that is concavo-convex engaged with the middle wall panel; and/or one end of each second pulling piece is in concave-convex fit with the outer leaf wallboard, and the other end of each second pulling piece is in concave-convex fit with the middle wallboard or the building material poured in the first cavity.

5. The shear wall of claim 4, wherein the first tie member includes a first body portion extending in a first direction, the first body portion having a front face and a back face in a second direction perpendicular to the first direction;

6. The shear wall of claim 5, wherein the central region of the first body portion is formed with an inner concave surface, in a direction from the front face to the back face of the first body portion, that protrudes beyond the back face of the first body portion; or, in the direction from the back surface to the front surface of the first body part, the middle region of the first body part is formed with an inner concave surface which protrudes out of the front surface of the first body part.

7. The shear wall of claim 6, wherein the bottom of the concave surface is provided with at least two through holes.

8. The shear wall of claim 5, wherein the first body portion is flat.

9. The shear wall of claim 5, wherein each of the first tie members is connected perpendicularly to the inner leaf wall panel and the middle wall panel, respectively, in the first direction; along the second direction, the first body parts of the adjacent first pulling pieces are arranged in parallel and face to face.

10. The shear wall of claim 4, wherein the second tie member includes a second body portion extending in a first direction, the second body portion having a front face and a back face in a second direction perpendicular to the first direction;

11. The shear wall of claim 10, wherein the central region of the second body portion, in a direction from the front face to the back face of the second body portion, is formed with an inner concave face that projects beyond the back face of the second body portion; or, in the direction from the back surface to the front surface of the second body part, the middle region of the second body part is formed with an inner concave surface which protrudes out of the front surface of the second body part.

12. The shear wall of claim 11, wherein the bottom of the concave surface has at least two through holes.

13. The shear wall of claim 10, wherein the second body portion is flat.

14. The shear wall of claim 10, wherein each of the second tie members is connected perpendicularly to the outer leaf wall panels and the middle wall panel, respectively, in the first direction; along the second direction, the second body parts of the adjacent second pulling pieces are arranged in parallel and face to face.

15. The shear wall body of claim 1,

16. The shear wall of claim 15, wherein the spacing between adjacent first tie members is less than the spacing between adjacent second tie members.

17. The shear wall of any one of claims 1 to 16, wherein the first portion of the inner leaf wall panel is flat and the second portion of the inner leaf wall panel is flat, the first portion of the inner leaf wall panel being longer than the second portion of the inner leaf wall panel, the first portion of the inner leaf wall panel being formed by splicing together at least two first sub-portions, one of the first sub-portions being disposed at the first angle to the second portion of the inner leaf wall panel; and/or the presence of a gas in the gas,

18. The shear wall of claim 17, wherein an opening extending in the depth direction of the shear wall and communicating with the first cavity is formed between the two first sub-portions, the opening serves as an operation working surface, and a blocking template covers the opening.

19. The shear wall of claim 18, wherein one of the first sub-portions connected to the second portion of the inner leaf wall panel, one of the second sub-portions connected to the second portion of the middle wall panel, and the second portion of the middle wall panel enclose a corner cavity;

the rest first sub-parts of the inner leaf wall plate and the rest second sub-parts of the middle wall plate enclose a straight section cavity;

the wall structure reinforcing bar includes: the straight section hidden column steel bar framework, the straight section wall body steel bar framework, the connecting steel bars and the corner hidden column steel bar framework;

the corner cavity is provided with the corner embedded column steel bar framework, the part of the straight section cavity adjacent to the corner cavity is provided with the straight section wall body steel bar framework, the rest part of the straight section cavity is provided with the straight section embedded column steel bar framework, and the straight section wall body steel bar framework and the corner embedded column steel bar framework are connected through connecting steel bars; wherein the content of the first and second substances,

before the first part of the inner leaf wallboard and the first part of the middle wallboard are spliced to form the connecting steel bar, the connecting steel bar is positioned in the straight section cavity;

the first part of inner leaf wallboard and the first part concatenation of middle part wallboard forms the back, through the operation working face will the connecting reinforcement by straight section cavity stretches into in the corner cavity, realize straight section wall body framework of steel reinforcement with corner hidden column framework of steel reinforcement's connection.

20. A shear wall according to any one of claims 1 to 16, wherein the first and second portions of the central panel are connected at the junction by a third tie member of the same construction as the first tie member.

21. The shear wall of any one of claims 1 to 16, wherein the first angle is 90 °, the second angle is 90 °, and the third angle is 90 °.

22. The shear wall body of claim 5, wherein the front and/or back of the first body portion is provided with at least one collar perpendicular to the first body portion, and the stud reinforcements are sleeved in the collar along the depth direction of the shear wall body and can move relative to the collar along the depth direction.

23. The shear wall of claim 22, wherein the embedded column rebar within the collar is capable of moving a set distance in a horizontal direction.