A composite shear wall with an interlocking structure and its construction method

Abstract

The present invention discloses a composite shear wall with an interlock structure and a construction method thereof. The composite shear wall includes: a precast wall A module, a precast wall B module, and a horizontal hoop; the precast wall A module is provided with ribs, correspondingly, the precast wall B module is provided with holes adapted to the ribs. When the precast wall A module and the precast wall B module are superposed, the ribs penetrate into the holes to complete the interlock, and the gap between the precast wall A module and the precast wall B module is set as a grouting area; the precast wall A module is embedded with a first vertical shear wall steel bar, and the precast wall B module is correspondingly embedded with a second vertical shear wall steel bar opposite to the first vertical shear wall steel bar; one end of the horizontal hoop is arranged on the first vertical shear wall steel bar, and the other end is arranged on the second vertical shear wall steel bar of the composite shear wall. The present invention solves the problems that supports and tie bolts need to be set during the casting of the module wall body and solves the integrity problem of the module composite shear wall in the use stage.

Description

Technical Field

[0001] The present invention relates to the technical field of concrete modular buildings, and particularly relates to a composite shear wall with an interlocking structure and a construction method thereof. Background Art

[0002] The modules in concrete modular buildings are usually pentahedrons or hexahedrons. Mechanical and electrical systems, decoration, etc. are integrated into the modules in the factory, and then the modules are transported to the site for installation. This technology can minimize on-site work and transform the construction industry into a manufacturing industry.

[0003] The shear walls of concrete modular buildings can use precast solid walls or composite walls. The former is not suitable for interior walls, and the main problems to be solved by the latter include finding an effective method to complete the superposition of two precast walls during the construction process without damaging the decoration and mechanical and electrical systems in the module. The existing technology generally completes the superposition by pouring concrete between two precast walls, which requires the installation of supports and tie bolts, thus causing damage to the module. Further, during actual use, the composite shear wall needs to show integrity and have the same structural performance as the cast-in-place shear wall.

[0004] There is still no solution for the existing modular building interior walls that meets the above requirements, and the present invention aims to propose a new composite wall technology to solve the above problems. Summary of the Invention

[0005] In view of the problems existing in the prior art, the present invention provides a composite shear wall with an interlocking structure and a construction method thereof.

[0006] To achieve the above object, the technical solution of the present invention is as follows:

[0007] A composite shear wall with an interlocking structure includes: a precast wall A module and a precast wall B module;

[0008] The precast wall A module is provided with ribs. Correspondingly, the precast wall B module is provided with holes adapted to the ribs. When the precast wall A module and the precast wall B module are superposed, the ribs penetrate into the holes to complete the interlocking, and the gap between the precast wall A module and the precast wall B module is set as a grouting area;

[0009] The precast wall A module is embedded with a first vertical shear wall reinforcement. Correspondingly, the precast wall B module is embedded with a second vertical shear wall reinforcement opposite to the first vertical shear wall reinforcement. The precast wall A module and the precast wall B module are respectively provided with horizontal stirrups for restraining the first vertical shear wall reinforcement and the second vertical shear wall reinforcement to prevent buckling under compression.

[0010] Preferably, the precast wall A module is further embedded with a first horizontal shear wall reinforcement perpendicular to the first vertical shear wall reinforcement.

[0011] Preferably, the precast wall B module is also embedded with a second horizontal shear wall reinforcement perpendicular to the second vertical shear wall reinforcement.

[0012] Preferably, the precast wall A module includes an upper precast wall A module and a lower precast wall A module; the precast wall B module includes an upper precast wall B module and a lower precast wall B module; module bottom plates are provided at the bottom side ends of the upper precast wall A module and the upper precast wall B module, and module top plates opposite to the module bottom plates are provided at the top side ends of the lower precast wall A module and the lower precast wall B module.

[0013] Preferably, the grouting area is provided with a grouting sleeve, which is placed at the ends of the first vertical shear wall reinforcement and the second vertical shear wall reinforcement for grouting connection.

[0014] Preferably, the shape of the rib is set as T-shaped, or conical, or other shapes.

[0015] The present invention also provides a construction method for a composite shear wall with an interlocking structure, including the following steps:

[0016] Step 1: First, position and install the lower precast wall A module and the lower precast wall B module in place;

[0017] Step 2: After cleaning the module top plates of the lower precast wall A module and the lower precast wall B module, lay a mortar bedding layer;

[0018] Step 3: Align the upper precast wall A module with the lower precast wall A module;

[0019] Step 4: Align the upper precast wall B module with the lower precast wall B module, and make the hole sleeve the rib to complete the interlocking, and then insert the grouting sleeve;

[0020] Step 5: Then grout the gap between the precast wall A module and the precast wall B module;

[0021] Step 6: Finally, grout in the grouting sleeve.

[0022] Adopting the technical solution of the present invention has the following beneficial effects: The present invention solves the problems of setting supports and tension bolts during the casting of module walls, and solves the integrity problem of module composite shear walls in the use stage;

[0023] 1. Suitable for interior walls;

[0024] 2. Less on-site casting volume and less horizontal pressure generated;

[0025] 3. When grouting, there is no need to set up a support and tension system;

[0026] 4. The composite wall has good integrity and its structural performance is equivalent to that of a cast-in-place shear wall;

[0027] 5. When the precast walls of type A and type B are laminated, the ribs of type A penetrate into the holes of type B to complete the interlocking. After the interlocking, the shear wall forms a self - balancing system, which can resist the horizontal force generated during grouting without the need for additional support systems and tie - rod systems; the ribs can serve as shear keys to enhance the integrity of the laminated wall.

[0028] The precast wall is provided with horizontal stirrups to restrain the vertical steel bars and prevent them from buckling under compression. When the wall is relatively thin and the anchorage length is insufficient, the horizontal stirrups can be anchored in the grouting area. Brief Description of the Drawings

[0029] Figure 1 It is the plan view of the laminated wall of the present invention after assembly.

[0030] Figure 2 It is Figure 1 Cross - sectional view A - A;

[0031] Figure 3 It is the plan view of the precast wall module A and the precast wall module B of the present invention before assembly.

[0032] Figure 4 It is the cross - sectional view A - A of the precast wall module A of the present invention.

[0033] Figure 5 It is the cross - sectional view B - B of the precast wall module A of the present invention.

[0034] Figure 6 It is the plan view of the present invention after assembly with tapered ribs.

[0035] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, in which the same or similar reference numerals denote the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0036] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

[0037] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality of" means two or more unless otherwise specifically defined.

[0038] In the present invention, unless otherwise clearly specified and defined, terms such as "installed", "connected", "connected to", "fixed", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] In the present invention, unless otherwise clearly specified and defined, the first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature has a higher horizontal height than the second feature. The first feature being "below", "beneath" and "underneath" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the first feature has a lower horizontal height than the second feature.

[0040] Example 1:

[0041] Referring to Figures 1 to 5 , the present invention also provides a composite shear wall with a T-shaped interlocking structure, including: a precast wall A module 3A, a precast wall B module 3B, and horizontal stirrups 4;

[0042] The precast wall A module 3A is provided with a T-shaped rib 5. Correspondingly, the precast wall B module 3B is provided with a T-shaped hole 6 adapted to the T-shaped rib 5. When the precast wall A module 3A and the precast wall B module are superposed, the T-shaped rib 5 penetrates into the T-shaped hole 6 to complete the interlocking, and the gap between the precast wall A module 3A and the precast wall B module 3B is set as a grouting area 8;

[0043] The precast wall A module 3A is embedded with a first vertical shear wall steel bar 1, and the corresponding precast wall B module 3B is embedded with a second vertical shear wall steel bar 10 opposite to the first vertical shear wall steel bar 1; the precast wall A module and the precast wall B module are respectively provided with horizontal stirrups 4, and one end of the horizontal stirrup 4 is arranged on the first vertical shear wall steel bar 1 and the second vertical shear wall steel bar 10, for restraining the first vertical shear wall steel bar 1 and the second vertical shear wall steel bar 10 to prevent buckling under compression.

[0044] The precast wall A module 3A is further embedded with a first horizontal shear wall steel bar 2 which is perpendicular to the first vertical shear wall steel bar 1. The precast wall B module 3B is further embedded with a second horizontal shear wall steel bar 20 which is perpendicular to the second vertical shear wall steel bar 10.

[0045] The precast wall A module 3A includes an upper precast wall A module 103 and a lower precast wall A module 101; the precast wall B module 3B includes an upper precast wall B module 104 and a lower precast wall B module 102; the bottom side ends of the upper precast wall A module 103 and the upper precast wall B module 104 are both provided with module bottom plates 7, and the top side ends of the lower precast wall A module 101 and the lower precast wall B module 102 are both provided with module top plates 11 opposite to the module bottom plates 101.

[0046] The grouting area is provided with a grouting sleeve 9, and is placed at the ends of the first vertical shear wall steel bar 1 and the second vertical shear wall steel bar 10 for grouting.

[0047] The present invention also provides a construction method for a composite shear wall with a T-shaped interlocking structure, including the following steps:

[0048] Step 1: First, align and install the lower precast wall A module 101 and the lower precast wall B module 102 in place;

[0049] Step 2: After cleaning the module top plates 11 of the lower precast wall A module 101 and the lower precast wall B module 102, lay a mortar bedding layer 100;

[0050] Step 3: Align the upper precast wall A module 103 with the lower precast wall A module 101;

[0051] Step 4: Align the upper precast wall B module 104 with the lower precast wall B module 102, and make the T-shaped hole 6 sleeve the T-shaped rib 5 to complete the interlocking, and then sleeve the grouting sleeve 9;

[0052] Step 5: Grout in the grouting area 8;

[0053] Step 6: Finally, grout in the grouting sleeve 9.

[0054] Example 2:

[0055] Refer to Figure 6, the difference from the above-mentioned Embodiment 1 is that the T-shaped rib 5 is replaced by a tapered rib 5. Correspondingly, the T-shaped hole 6 is replaced by a tapered hole. The present invention provides a composite shear wall with a tapered interlocking structure, including: a precast wall A module 3A, a precast wall B module 3B, and horizontal stirrups 4;

[0056] The precast wall A module 3A is provided with tapered ribs. Correspondingly, the precast wall B module 3B is provided with tapered holes 6 adapted to the tapered ribs 5. When the precast wall A module 3A and the precast wall B module are superposed, the tapered ribs 5 penetrate into the T-shaped holes 6 to complete the interlocking, and the gap between the precast wall A module 3A and the precast wall B module 3B is set as a grouting area 8.

[0057] The precast wall A module 3A is embedded with a first vertical shear wall reinforcement bar 1, and correspondingly, the precast wall B module 3B is embedded with a second vertical shear wall reinforcement bar opposite to the first vertical shear wall reinforcement bar 1; The precast wall A module and the precast wall B module are respectively provided with horizontal stirrups 4. One end of the horizontal stirrups 4 is arranged on the first vertical shear wall reinforcement bar 1 and the second vertical reinforcement bar to restrain the first vertical shear wall reinforcement bar 1 and the second vertical shear wall reinforcement bar to prevent buckling under compression.

[0058] It can be seen from the above-mentioned Embodiments 1 and 2 that the present invention solves the problems of setting supports and tie bolts during the casting of modular walls, and solves the integrity problem of modular composite shear walls during the use stage; it is applicable to interior walls; the on-site casting volume is small and the generated horizontal pressure is small; during grouting, there is no need to set up a support and tie system; the composite wall has good integrity and its structural performance is equivalent to that of a cast-in-place shear wall; when the precast wall A module 3A and the precast wall B module are superposed, the A-type T-shaped rib (tapered rib) 5 penetrates into the B-type T-shaped hole (tapered hole) 6 to complete the interlocking. After the interlocking, the shear wall forms a self-balanced system, which can resist the horizontal force generated during grouting without the need to additionally set up a support system and a tie system; the T-shaped rib (tapered rib) 5 can be used as a shear key to enhance the integrity of the composite wall; the precast wall A module 3A and the precast wall B module 3B are provided with a first vertical shear wall reinforcement bar and a second vertical shear wall reinforcement bar 104 to restrain the vertical reinforcement bars to prevent them from buckling under compression. When the wall is thin and the anchorage length is insufficient, the horizontal stirrups 4 can be lapped in the grouting area.

[0059] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structural transformation made under the inventive concept of the present invention by using the content of the specification and drawings of the present invention, or directly / indirectly applied to other related technical fields, is included in the patent protection scope of the present invention.

Claims

1. A composite shear wall with an interlocking structure, characterized in that, it includes: a precast wall A module and a precast wall B module; The precast wall A module is provided with ribs. Correspondingly, the precast wall B module is provided with holes adapted to the ribs. When the precast wall A module and the precast wall B module are superposed, the ribs of the precast wall A module penetrate into the holes of the B module to complete interlocking, and the gap between the precast wall A module and the precast wall B module is set as a grouting area.

2. The composite shear wall with an interlocking structure according to claim 1, characterized in that The precast wall A module is embedded with a first vertical shear wall reinforcement bar, and correspondingly, the precast wall B module is embedded with a second vertical shear wall reinforcement bar opposite to the first vertical shear wall reinforcement bar; the precast wall A module and the precast wall B module are respectively provided with horizontal stirrups for restraining the first vertical shear wall reinforcement bar and the second vertical shear wall reinforcement bar to prevent buckling under compression.

3. The composite shear wall with an interlocking structure according to claim 2, characterized in that, The precast wall A module is further embedded with a first horizontal shear wall reinforcement bar perpendicular to the first vertical shear wall reinforcement bar.

4. The composite shear wall with an interlocking structure according to claim 2, characterized in that, The precast wall B module is further embedded with a second horizontal shear wall reinforcement bar perpendicular to the second vertical shear wall reinforcement bar.

5. The composite shear wall with an interlocking structure according to claim 2, characterized in that, The grouting area is provided with a grouting sleeve and is placed at the ends of the first vertical shear wall reinforcement bar and the second vertical shear wall reinforcement bar for grouting.

6. The composite shear wall with an interlocking structure according to claim 1, characterized in that, The shape of the rib is set as T-shaped, or conical, or other shapes.

7. The composite shear wall with an interlocking structure according to claim 2, characterized in that, The precast wall A module includes an upper precast wall A module and a lower precast wall A module; the precast wall B module includes an upper precast wall B module and a lower precast wall B module; the bottom side ends of the upper precast wall A module and the upper precast wall B module are both provided with module bottom plates, and the top side ends of the lower precast wall A module and the lower precast wall B module are both provided with module top plates opposite to the module bottom plates.

8. The construction method of the composite shear wall with an interlocking structure according to any one of claims 1-7, characterized in that, it includes the following steps: Step 1: First, align and install the lower precast wall A module and the lower precast wall B module in place; Step 2: After cleaning the module top plates of the lower precast wall A module and the lower precast wall B module, lay a mortar layer; Step 3: Align the upper precast wall A module with the lower precast wall A module; Step 4: Align the upper precast wall B module with the lower precast wall B module, and make the holes sleeve the ribs to complete interlocking, and then insert the grouting sleeve; Step 5: Then grout the gap between the precast wall A module and the precast wall B module; Step 6: Finally, grout in the grouting sleeve.

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