Formwork supporting structure for haunching wall corner of shear wall

Abstract

The utility model discloses a shear wall corner haunched template supporting structure, which comprises a shear wall template, a haunched template and raft concrete, the upper part of the haunched template is clamped with the shear wall template through a fixing block, and the lower part of the haunched template is fixedly connected with the raft concrete through a fastener. According to the template supporting structure for haunching of the wall corner of the shear wall, the pouring and construction difficulty of the haunching part is effectively reduced, the forming effect of the haunching part is improved, the template supporting structure is suitable for the haunching project of the shear wall with the small project amount, and the extra cost for purchasing customized aluminum films is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of building engineering, in particular to a formwork support structure for adding armpits to a shear wall corner. Background Art

[0002] In construction projects, the base of cast-in-place reinforced concrete outer shear walls and cast-in-place reinforced concrete water tank shear walls of building construction projects often bear large side wall shear forces and bending moments. In order to improve the bearing capacity of such shear walls, an eight-shaped boot-shaped structure is often added to one or both sides of the shear wall and the bottom plate, that is, the corner armpit. In construction projects, the construction quality and technical measures of the armpit at the base of the external wall are the key parts of the current construction, the focus of construction quality control, and the difficulty of implementing technical measures.

[0003] In the existing technology, the installation of shear walls at the added armpits is not convenient enough, the construction process is complicated, and the casting is difficult; in addition, different shear wall added armpit projects require customized aluminum templates of special sizes to achieve better molding effects at the added armpits, but the additional cost of customized aluminum film is large, which is not suitable for shear wall added armpit projects with smaller project volumes. Utility Model Content

[0004] The purpose of the utility model is to provide a formwork support structure for adding armpits at the corners of shear walls, which effectively reduces the difficulty of pouring and construction of the added armpit parts, increases the molding effect of the added armpit parts, is suitable for shear wall adding armpit projects with smaller engineering volumes, and avoids the extra cost of purchasing customized aluminum films.

[0005] To achieve the above-mentioned purpose, the utility model provides a shear wall corner arm formwork support structure, comprising a shear wall formwork, an arm formwork and a raft concrete, wherein the upper part of the arm formwork is clamped with the shear wall formwork through a fixing block, and the lower part of the arm formwork is fixedly connected with the raft concrete through a fastener.

[0006] Preferably, the angle between the axil formwork and the shear wall formwork is 45°.

[0007] Preferably, the upper portion of the axil template is embedded in the lower portion of the fixing block.

[0008] Preferably, the fastener comprises a wooden square arranged along the lower edge of the axilted formwork, and a plurality of evenly distributed first connecting rods and second connecting rods are arranged on the wooden square, and the first connecting rods and the second connecting rods are arranged at intervals.

[0009] Preferably, the first connecting rod includes a main rod and a first sub-rod arranged at the bottom end of the main rod, the main rod is perpendicular to the first sub-rod and welded to the midpoint of the first sub-rod, and a second sub-rod is arranged in the middle section of the main rod, and the second sub-rod is arranged parallel to the first sub-rod along the direction of the main rod.

[0010] Preferably, the length of the second secondary rod is half of the length of the first secondary rod.

[0011] Preferably, the first auxiliary rod is arranged on the inner bottom surface of the raft concrete, and the second auxiliary rod is arranged on the outer bottom surface of the raft concrete.

[0012] Preferably, the second connecting rod comprises a fastening portion and a bending portion, the fastening portion and the bending portion are welded to each other, the fastening portion is in contact with the surface of the wooden square, and the bending portion is welded to the raft concrete.

[0013] Therefore, the utility model adopts the above-mentioned formwork support structure for adding armpits at the corners of shear walls, which effectively reduces the difficulty of pouring and construction of the added armpit parts, increases the molding effect of the added armpit parts, is suitable for shear wall adding armpit projects with smaller engineering volumes, and avoids the extra cost of purchasing customized aluminum films.

[0014] The technical solution of the utility model is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of an embodiment of a shear wall corner and arm template support structure of the utility model;

[0016] Figure 2 The utility model is a side view of a shear wall corner arm formwork supporting structure embodiment of the utility model.

[0017] Reference numerals

[0018] 1. Shear wall formwork; 2. Armpit formwork; 3. Raft concrete; 4. Fixed block; 5. Wooden square; 6. Main rod; 7. First auxiliary rod; 8. Second auxiliary rod; 9. Fastening part; 10. Bending part. DETAILED DESCRIPTION

[0019] The technical solution of the utility model is further described below through the accompanying drawings and embodiments.

[0020] Unless otherwise defined, the technical terms or scientific terms used in the present invention shall have the usual meanings understood by persons with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "include" or "comprise" and the like mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" and the like are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0021] As shown in the figure, a formwork support structure for adding armpits to the corners of a shear wall includes a shear wall formwork 1, an armpit formwork 2 and a raft concrete 3, wherein the angle between the armpit formwork 2 and the shear wall formwork 1 is 45°. The upper part of the armpit formwork 2 is clamped with the shear wall formwork 1 through a fixing block 4. Specifically, the upper part of the armpit formwork 2 is embedded in the lower part of the fixing block 4. The lower part of the armpit formwork 2 is fixedly connected to the raft concrete 3 through fasteners, completing the placement and fixing of the 45° oblique armpit formwork 2, thereby forming an armpit angle of uniform size.

[0022] Specifically, the fastener includes a wooden square 5 arranged along the lower edge of the axil formwork 2, the axil formwork 2 is made of wood, and the wooden square 5 is fixedly connected to the axil formwork 2 by a long nail. A plurality of evenly distributed first connecting rods and second connecting rods are arranged on the wooden square 5, and the first connecting rods and the second connecting rods are arranged at intervals. Among them, the first connecting rod is a modified stirrup structure.

[0023] Specifically, the first connecting rod includes a main rod 6 and a first sub-rod 7 arranged at the bottom end of the main rod 6, the main rod 6 is perpendicular to the first sub-rod 7 and welded to the midpoint of the first sub-rod 7, the middle section of the main rod 6 is provided with a second sub-rod 8, and the second sub-rod 8 is arranged parallel to the first sub-rod 7 along the direction of the main rod 6. The length of the second sub-rod 8 is half the length of the first sub-rod 7. The first sub-rod 7 is arranged on the inner bottom surface of the raft concrete 3, and the second sub-rod 8 is arranged on the outer bottom surface of the raft concrete 3. The raft concrete 3 can be poured with concrete in layers, and as the concrete is poured, the firmness of the bottom of the first connecting rod is continuously improved, which improves the stability of the axil formwork 2 and enhances the molding effect of the axil part.

[0024] The second connecting rod includes a fastening portion 9 and a bending portion 10 , the fastening portion 9 and the bending portion 10 are welded together, the fastening portion 9 is in contact with the surface of the wood square 5 , and the bending portion 10 is welded to the raft concrete 3 .

[0025] The specific construction method is:

[0026] The first connecting rod and the second connecting rod are both made of grade 3 steel with a diameter of 14, and both are evenly arranged at a spacing of 1m. The overall height of the main rod 6 is 10cm higher than the elevation of the raft concrete 3, the first auxiliary rod 7 at the bottom is 30cm long, and the second auxiliary rod 8 at the top is 15cm long. The total length of the second connecting rod is 30cm, of which the welding length of the bent portion 10 is 5cm.

[0027] The wooden square 5 is nailed to the lower part of the axil formwork 2, the fixing block 4 is installed on the surface of the shear wall formwork 1 by bolts or other fixings, the axil formwork 2 is placed at 45 degrees at the bottom of the fixing block 4, the first connecting rod is inserted on the raft concrete 3 in sequence, and the second connecting rod is welded. After the arrangement is completed, the raft concrete 3 is poured in layers. When the concrete is gradually formed, the stability of the axil formwork 2 is gradually improved.

[0028] Therefore, the utility model adopts the above-mentioned formwork support structure for adding armpits at the corners of shear walls, which effectively reduces the difficulty of pouring and construction of the added armpit parts, increases the molding effect of the added armpit parts, is suitable for shear wall adding armpit projects with smaller engineering volumes, and avoids the extra cost of purchasing customized aluminum films.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that they can still modify or replace the technical solution of the utility model with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the utility model.

Claims

1. A shear wall corner and arm formwork support structure, characterized in that: It comprises a shear wall formwork, a side-added formwork and a raft concrete. The upper part of the side-added formwork is clamped with the shear wall formwork through a fixing block, and the lower part of the side-added formwork is fixedly connected with the raft concrete through a fastener.

2. A shear wall corner arm formwork support structure according to claim 1, characterized in that: The angle between the axil formwork and the shear wall formwork is 45°.

3. A shear wall corner arm formwork support structure according to claim 1, characterized in that: The upper part of the axil template is embedded in the lower part of the fixing block.

4. A shear wall corner arm formwork support structure according to claim 1, characterized in that: The fastener comprises a wooden square arranged along the lower edge of the axilted formwork, on which a plurality of evenly distributed first connecting rods and second connecting rods are arranged, and the first connecting rods and the second connecting rods are arranged at intervals.

5. A shear wall corner arm formwork support structure according to claim 4, characterized in that: The first connecting rod includes a main rod and a first sub-rod arranged at the bottom end of the main rod, the main rod is perpendicular to the first sub-rod and welded to the midpoint of the first sub-rod, the middle section of the main rod is provided with a second sub-rod, and the second sub-rod is arranged parallel to the first sub-rod along the direction of the main rod.

6. A shear wall corner arm formwork support structure according to claim 5, characterized in that: The length of the second secondary rod is half of the length of the first secondary rod.

7. The formwork support structure for adding armpits to shear wall corners according to claim 5, characterized in that: The first auxiliary rod is arranged on the inner bottom surface of the raft concrete, and the second auxiliary rod is arranged on the outer bottom surface of the raft concrete.

8. The shear wall corner arm formwork support structure according to claim 4, characterized in that: The second connecting rod comprises a fastening portion and a bending portion, the fastening portion and the bending portion are welded, the fastening portion is in contact with the surface of the wood, and the bending portion is welded to the raft concrete.

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