Waist beam formwork fixing structure

Abstract

The utility model discloses a waist beam formwork fixing structure. The waist beam formwork fixing structure comprises fender posts, a waist beam, a formwork and tie assemblies. The waist beam is a pentagonal prism with a pentagonal cross section; the cross section of the waist rail comprises an upper bottom edge, a lower bottom edge, an outer side edge, an inner side edge and a bevel edge for connecting the outer side edge and the lower bottom edge; connecting steel bars are arranged in the waist beams, and pile body main bars are arranged in the fender posts; the face where the inner side edge of the cross section of the waist beam is located is arranged on the outer side face of the fender post, the face where the bevel edge of the cross section of the waist beam is located inclines downwards and is provided with a formwork, and multiple sets of tie assemblies are arranged in the length direction of the formwork at intervals. Each group of tie components comprises at least two split bolts and a group of double steel pipes; the split bolt comprises a bolt body and a clamp shaped like a Chinese character'shan ', the bolt body penetrates through the formwork and extends into the waist beam, and the end of the bolt body is fixedly connected with the connecting steel bar. And the double steel pipes are arranged along the length direction of the waist beam and are clamped and fixed with the E-shaped clamps. The utility model solves the technical problems of difficult formwork erecting, long construction period, high formwork erecting cost and the like during waist beam construction.

Description

Technical Field

[0001] The utility model relates to the technical field of waist beam construction, in particular to a waist beam template fixing structure. Background Art

[0002] The waist beam refers to the steel beam installed on the upper part of the supporting piles. Its main function is to keep the formwork in the assembled plane shape and connect the formwork to the lifting frame as a whole. In the support system, the stiffness of the waist beam has a great influence on the stiffness of the entire supporting structure. The waist beam of reinforced concrete is a downward convex slope, and the lower earthwork has not been completely excavated, making it difficult to support the formwork. If tension bolts are used to reinforce the waist beam formwork, it is difficult to operate the tension bolts on one side of the supporting piles, and there is no space to tighten the tension bolts. The existing public technology generally supports the casting of waist beams and crown beams after the earthwork is excavated and leveled and the raft concrete is poured. This will result in a longer construction period, more time, and higher formwork costs. Utility Model Content

[0003] The utility model aims to provide a waist beam template fixing structure, so as to solve the technical problems of the prior art in that the formwork is difficult to support during waist beam construction, the construction period is long, and the cost of supporting the formwork is high.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The utility model provides a waist beam template fixing structure, comprising a guard pile, a waist beam, a template and a tie assembly; the waist beam is a pentagonal prism with a pentagonal cross section; the cross section of the waist beam comprises an upper bottom edge, a lower bottom edge, an outer side edge, an inner side edge, and a hypotenuse connecting the outer side edge and the lower bottom edge; connecting steel bars are arranged inside the waist beam, and pile body main bars are arranged inside the guard pile; the surface where the inner side edge of the waist beam cross section is located is arranged on the outer side surface of the guard pile, the surface where the hypotenuse of the waist beam cross section is located is inclined downward and is provided with a template, and a plurality of groups of tie assemblies are arranged at intervals in the long direction of the template; each group of tie assemblies comprises at least two tension bolts and a group of double steel pipes; the tension bolts comprise a bolt body and a mountain-shaped clamp, the bolt body passes through the template and extends to the inside of the waist beam, and the end of the bolt body is fixedly connected to the connecting steel bar; the double steel pipes are arranged along the long direction of the waist beam and are clamped and fixed with the mountain-shaped clamp.

[0006] Preferably, back ribs are arranged between the double steel pipes and the template.

[0007] Preferably, the waist beam includes longitudinal distribution reinforcement and stirrups.

[0008] Preferably, the longitudinal distribution reinforcement is arranged along the entire length of the waist beam and is evenly arranged on each side of the waist beam; and the stirrups are arranged at intervals in the length direction of the longitudinal distribution reinforcement.

[0009] Preferably, the connecting steel bar is Z-shaped, one bottom side of the connecting steel bar is welded and fixed to the main reinforcement of the pile body, and the other bottom side is welded and fixed to the bolt body.

[0010] Preferably, the connecting steel bars and the longitudinal distribution bars are made of Φ20 steel bars, and the stirrups are made of Φ10 steel bars.

[0011] Preferably, the hole through which the bolt body passes through the template is filled with a plugging material.

[0012] Preferably, the sealing material is a water stop ring or a sealant.

[0013] The beneficial effects of the utility model are embodied in:

[0014] 1) The utility model provides a waist beam template fixing structure, in which the connecting steel bars are welded and fixed to the pile body steel bars, so as to realize the fixing of the waist beam and the surrounding piles, and the bolt body of the tension bolt is welded and fixed to the connecting steel bars, so as to solve the problem that the tension bolt is difficult to fix and tighten on one side of the pile body, so that unilateral tightening can be realized, and the tensioning components can be arranged at intervals on the template to realize the tensioning of the template, so that the template can be fixed without using a supporting formwork structure, and there is no need to wait for the earthwork to be excavated and leveled and the raft slab concrete to be poured. The template is simple and easy to fix, and the construction period is shortened and the construction efficiency is improved;

[0015] 2) The utility model provides a waist beam formwork fixing structure, which uses tension bolts and double steel pipes to fix the formwork, does not require other formwork devices, has the characteristics of easy disassembly, and is also highly economical.

[0016] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The main purpose and other advantages of the utility model can be realized and obtained by the solutions particularly pointed out in the description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0018] Figure 1 It is a side sectional view of the utility model.

[0019] Figure 2 It is a schematic diagram of the connection between the longitudinal distribution reinforcement and the stirrup reinforcement of the waist beam of the utility model.

[0020] Figure numerals: 1-guard pile, 2-waist beam, 3-formwork, 4-anchor assembly, 5-back rib, 11-main reinforcement of pile body, 21-connecting steel bar, 22-longitudinal distribution reinforcement, 23-stirrups, 41-tension bolts, 42-double steel pipe, 43-mountain-type clamp. DETAILED DESCRIPTION

[0021] The technical solution of the present invention is described in detail below through embodiments. The following embodiments are merely exemplary and can only be used to explain and illustrate the technical solution of the present invention, but cannot be interpreted as limiting the technical solution of the present invention.

[0022] Reference Figure 1 The utility model provides a waist beam template fixing structure, including a retaining pile 1, a waist beam 2, a template 3 and a tie assembly 4; the waist beam 2 is a pentagonal prism with a pentagonal cross section; the cross section of the waist beam 2 includes an upper bottom side, a lower bottom side, an outer side side, an inner side side, and a bevel connecting the outer side side and the lower bottom side; a connecting steel bar 21 is arranged inside the waist beam 2, and the connecting steel bar 21 adopts a steel bar of Φ20 specification, and the connecting steel bar 21 is Z-shaped, and a pile body main reinforcement 11 is arranged inside the retaining pile 1, and one of the bottom sides of the connecting steel bar 21 is welded and fixed to the pile body main reinforcement 11; the surface where the inner side side of the cross section of the waist beam 2 is located is arranged on the outer side surface of the retaining pile 1, The hypotenuse of the cross section of the waist beam 2 is inclined downward and is provided with a template 3, and multiple groups of anchor components 4 are arranged at intervals in the length direction of the template 3; each group of anchor components 4 includes at least two tension bolts 41 and a group of double steel pipes 42, and a back rib 5 is arranged between the double steel pipes 42 and the template 3; the tension bolt 41 includes a bolt body and a mountain-shaped clip 43, the bolt body passes through the template 3 and extends to the inside of the waist beam 2, and the bolt body passes through the hole of the template 3 and is filled with a sealing material, and the sealing material is a water stop ring or a sealant; the end of the bolt body is welded and fixed to the other bottom edge of the connecting steel bar 21; the double steel pipes 42 are arranged along the length of the waist beam 2 and are clamped and fixed with the mountain-shaped clip 43.

[0023] Reference Figure 2 The waist beam 2 includes longitudinal distribution reinforcement 22 and stirrups 23; the longitudinal distribution reinforcement 22 adopts Φ20 specification steel bars, which are arranged along the length of the waist beam 2 and are evenly arranged on each side of the waist beam 2; the stirrups 23 adopt Φ10 specification steel bars, which are arranged at intervals in the length direction of the longitudinal distribution reinforcement 22.

[0024] Furthermore, when the utility model is in use: after the longitudinal distribution reinforcement 22, stirrups 23, connecting steel bars 21, etc. inside the waist beam 2 are tied and welded and fixed, the formwork 3 is installed and the tie assembly 4 is installed on the formwork 3, and the back rib 5 is installed; the tension bolts 41 are passed through the formwork 3, and the ends of the tension bolts 41 are welded and fixed to the connecting steel bars 21, and then the sealing material is filled in the gap between the tension bolts 41 and the formwork 3; the double steel pipe 42 is clamped in the mountain-shaped clamp 43 and the mountain-shaped clamp 43 is tightened, so that the mountain-shaped clamp 43 and the double steel pipe 42 are clamped, thereby fixing the formwork 3. After all the tie assemblies 4 are fixed, the waist beam 2 concrete is poured, and after the concrete reaches the design strength, the tension bolts 41 are cut off, and the mountain-shaped clamp 43, the double steel pipe 42 and the back rib 5 are removed to complete the construction of the waist beam 2.

[0025] The above description is only a preferred specific implementation of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that a technician familiar with the technical field thinks of within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. A waist beam template fixing structure, characterized in that: It comprises a retaining pile (1), a waist beam (2), a template (3) and an anchor assembly (4); the waist beam (2) is a pentagonal prism with a pentagonal cross section; the cross section of the waist beam (2) comprises an upper bottom edge, a lower bottom edge, an outer side edge, an inner side edge, and a bevel connecting the outer side edge and the lower bottom edge; A connecting steel bar (21) is arranged inside the waist beam (2), and a pile body main reinforcement (11) is arranged inside the retaining pile (1); The surface where the inner side edge of the cross section of the waist beam (2) is located is arranged on the outer side surface of the retaining pile (1); the surface where the oblique side of the cross section of the waist beam (2) is located is inclined downward and is provided with a template (3); and a plurality of groups of tie assemblies (4) are arranged at intervals in the long direction of the template (3); Each group of tensioning components (4) comprises at least two tensioning bolts (41) and a group of double steel pipes (42); the tensioning bolts (41) comprise a bolt body and a mountain-shaped clamp (43); the bolt body passes through the template (3) and extends into the interior of the waist beam (2); the end of the bolt body is fixedly connected to the connecting steel bar (21); the double steel pipes (42) are arranged along the length of the waist beam (2) and are clamped and fixed to the mountain-shaped clamp (43).

2. A waist beam template fixing structure as claimed in claim 1, characterized in that: A back rib (5) is arranged between the double steel pipes (42) and the template (3).

3. A waist beam template fixing structure as claimed in claim 1, characterized in that: The waist beam (2) comprises longitudinal distribution reinforcement (22) and stirrups (23).

4. A waist beam template fixing structure as claimed in claim 3, characterized in that: The longitudinal distribution reinforcement (22) is arranged along the longitudinal direction of the waist beam (2) and is evenly arranged on each side of the waist beam (2); and the stirrups (23) are arranged at intervals in the longitudinal direction of the longitudinal distribution reinforcement (22).

5. A waist beam template fixing structure as claimed in claim 1, characterized in that: The connecting steel bar (21) is Z-shaped, one bottom side of the connecting steel bar (21) is welded and fixed to the main reinforcement (11) of the pile body, and the other bottom side is welded and fixed to the bolt body.

6. A waist beam template fixing structure as claimed in claim 5, characterized in that: The connecting steel bars (21) and the longitudinal distribution bars (22) are made of steel bars with a specification of Φ20, and the stirrups (23) are made of steel bars with a specification of Φ10.

7. A waist beam template fixing structure as claimed in claim 1, characterized in that: The hole through which the bolt body passes through the template (3) is filled with a plugging material.

8. A waist beam template fixing structure as claimed in claim 7, characterized in that: The sealing material is a water stop ring or sealant.

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