Supporting component for independent supporting of post-cast strip and construction method

Abstract

The invention discloses a supporting component for independent supporting of a post-cast strip and a construction method, the supporting component is composed of a rod body, a concrete block and an adjustable support, and the concrete block and the adjustable support are arranged at the two ends of the rod body respectively. According to the method, formwork support models and drawings of a main body structure support and a post-cast strip independent support are exported according to the BIM technology, and meanwhile, a main body structure formwork support and a post-cast strip independent support frame body are erected to be used for fixing a pouring formwork of a main body structure and a pouring formwork of a post-cast strip; main body structure concrete is poured, after the concrete strength reaches the standard, a main body structure formwork supporting frame and a pouring formwork are dismantled, and the post-cast strip independent supporting frame body is strictly prohibited from being dismantled; the pouring formwork of the post-cast strip is taken down in a segmented mode through the adjustable support, and post-cast strip concrete is cleaned; and the pouring formwork of the post-cast strip is fixed again through the adjustable support, and erecting of the pouring formwork of the post-cast strip is completed. According to the supporting component and the construction method, formwork supporting operation is convenient, formwork reinforcing is reliable, reutilization can be achieved, the post-cast strip formwork supporting construction cost is reduced, and the construction efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, and in particular to a supporting component for independently supporting a post-cast strip and a construction method. Background Art

[0002] With the rapid development of the construction industry, the requirements for construction efficiency, cost, environmental protection, quality control, etc. are becoming higher and higher. As a cantilever component, the post-cast strip can be demolded only after the casting strength reaches 100%, which is different from the demolding conditions and time of the surrounding pre-cast components.

[0003] The traditional steel pipe independent support system, quick-disassembly system, and disc-type scaffolding independent support system used for post-cast strip support are complex in form, with a backlog of pipe and formwork materials, poor economy, complicated erection operations, long construction periods, and low construction efficiency, and can no longer meet the current intelligent construction production needs of the construction industry. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a supporting member and a construction method for independent support of a post-cast strip. The supporting member and the construction method overcome the defects of traditional post-cast strip support. The supporting member is easy to operate for supporting the formwork, the formwork reinforcement is reliable and can be reused, which reduces the construction cost of the post-cast strip formwork and improves construction efficiency.

[0005] In order to solve the above technical problems, the supporting member for independent support of the post-cast strip of the present invention includes a rod body, a concrete block and an adjustable support. The concrete block is cast at the bottom end of the rod body, and a steel plate is provided at the top end of the rod body. The adjustable support includes a bottom plate, an internally threaded sleeve, a top plate and a screw. The internally threaded sleeve is centrally arranged on the bottom plate, and the screw is centrally arranged on the top plate. The screw is screwed into the internally threaded sleeve. The bottom plate is arranged on the steel plate at the top end of the rod body and is connected with pins.

[0006] Furthermore, the rod body is a DN200 seamless steel pipe, the internal threaded sleeve has a diameter of 80 mm and a length of 200 mm, and the screw rod is a threaded bolt with a length of 200 mm.

[0007] A support construction method for independent support of post-cast strip based on the above support member comprises the following steps: Step 1: Export the formwork frame model and drawings of the main structure support and the post-casting belt independent support according to the BIM technology. Set up the main structure formwork frame and the post-casting belt independent support frame according to the formwork frame model and drawings, install the rod body, cast concrete blocks at the bottom of the rod body to fix it, and use steel pipes to pull and fix the rod bodies; Step 2: Install an adjustable support at the top of the rod body, and adjust the distance between the bottom plate and the top plate through the internal threaded sleeve and the screw rod, so that the top plate fixes the casting template of the main structure support frame and the post-casting belt independent support frame; Step 3: Pour the main structure concrete. After pouring, when the concrete strength reaches the condition for demolding, start to remove the main structure formwork and pouring formwork. It is strictly forbidden to remove the independent support frame of the post-casting belt. Step 4: Use the adjustable support to remove the casting template of the independent support frame of the post-casting belt in sections and clean the concrete of the post-casting belt; Step 5. After the concrete of the post-casting strip is cleaned, the adjustable support is used again to fix the casting formwork of the independent support frame of the post-casting strip, and the erection of the casting formwork of the post-casting strip is completed.

[0008] Furthermore, the formwork frame model and drawings in step one are designed with the BIM technology based on the location, size, form of surrounding main structure components and concrete strength of the post-cast strip, and the frame production and processing drawings are derived.

[0009] Furthermore, the main structure formwork and the independent supporting frame of the post-cast strip adopt the frame safety calculation software, combined with the standard value of the self-weight of the casting formwork in the post-cast strip part in the building construction drawings, the self-weight of the casting concrete, the standard value of the self-weight of the steel bars, the load parameters generated by vibrating the concrete, the material parameters of the selected rods and the calculation model to perform the corresponding frame safety calculation, and finally determine the parameters of the supporting components used. Since the supporting member and construction method for the independent support of the post-casting strip of the present invention adopt the above-mentioned technical scheme, that is, the supporting member is composed of a rod body, a concrete block and an adjustable support, and the concrete block and the adjustable support are respectively arranged at both ends of the rod body. The method derives the formwork frame model and drawings of the main structure support and the independent support of the post-casting strip according to the BIM technology, and at the same time sets up the main structure formwork frame and the independent support frame of the post-casting strip to fix the casting formwork of the main structure and the post-casting strip; casts the main structure concrete, and removes the main structure formwork frame and the casting formwork after the concrete strength reaches the standard, and it is strictly forbidden to remove the independent support frame of the post-casting strip; uses the adjustable support to remove the casting formwork of the post-casting strip in sections and clean the concrete of the post-casting strip; reuses the adjustable support to fix the casting formwork of the post-casting strip, and completes the erection of the casting formwork of the post-casting strip. The supporting member and construction method overcome the defects of the traditional post-casting strip support, the supporting member formwork is easy to operate, the formwork reinforcement is reliable, and it can be reused, which reduces the construction cost of the post-casting strip formwork and improves the construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments: Figure 1 It is a schematic diagram of a supporting member for independent support of a post-cast strip according to the present invention; Figure 2 This is a schematic diagram of the independent support frame structure of the post-cast strip in this method. DETAILED DESCRIPTION

[0011] Implementation example Figure 1 As shown, the supporting member for independent support of the post-cast strip of the present invention includes a rod body 1, a concrete block 2 and an adjustable support 3, the concrete block 2 is cast at the bottom end of the rod body 1, a steel plate 11 is provided at the top end of the rod body 1, the adjustable support 3 includes a bottom plate 31, an internal threaded sleeve 32, a top plate 33 and a screw 34, the internal threaded sleeve 32 is centrally arranged on the bottom plate 31, the screw 34 is centrally arranged on the top plate 33, the screw 34 is screwed into the internal threaded sleeve 32, and the bottom plate 31 is arranged on the steel plate 11 at the top end of the rod body 1 and is connected by pins.

[0012] Preferably, the rod body 1 is a DN200 seamless steel pipe, the internal threaded sleeve 32 has a diameter of 80 mm and a length of 200 mm, and the screw rod 34 is a threaded bolt with a length of 200 mm.

[0013] like Figure 2 As shown, a support construction method for independent support of post-cast strip based on the above-mentioned support member comprises the following steps: Step 1: According to BIM technology, the formwork frame model and drawings of the main structure support and the post-casting belt independent support are derived. According to the formwork frame model and drawings, the main structure formwork frame and the post-casting belt independent support frame 4 are simultaneously set up, and the rod body 1 is installed. The bottom end of the rod body 1 is cast with a concrete block 2 for fixing, and the rod bodies 1 are fixed by pulling with steel pipes 5; Step 2: An adjustable support 3 is installed at the top of the rod body 1, and the distance between the bottom plate and the top plate is adjusted through the internal threaded sleeve and the screw rod, so that the top plate fixes the main structure support formwork and the casting formwork 6 of the post-casting belt independent support frame; Step 3: pour the main structure concrete. After pouring, when the concrete strength reaches the condition for demolding, start to dismantle the main structure formwork and pouring formwork. It is strictly forbidden to dismantle the independent support frame 4 of the post-casting belt. Step 4: Use the adjustable support 3 to remove the casting template 6 of the post-casting belt independent support frame 4 in sections, and clean the post-casting belt concrete; Step 5: After the post-casting strip concrete is cleaned, the adjustable support 3 is used again to fix the casting template 6 of the post-casting strip independent support frame 4, and the erection of the casting template of the post-casting strip is completed.

[0014] Preferably, the formwork frame model and drawings in step one are designed according to the location, size, form of surrounding main structure components and concrete strength of the post-cast strip, using BIM technology to model the main structure formwork frame and the post-cast strip independent support frame, and the frame production and processing drawings are derived.

[0015] Preferably, the main structure formwork and the independent supporting frame of the post-cast strip adopt the frame safety calculation software, combined with the standard value of the self-weight of the casting formwork at the post-cast strip part in the building construction drawings, the self-weight of the cast concrete, the standard value of the self-weight of the steel bars, the load parameters generated by vibrating the concrete, the material parameters of the selected rods and the calculation model to perform the corresponding frame safety calculation, and finally determine the parameters of the supporting components used.

[0016] This support component uses an adjustable support to support the casting formwork. By adjusting the distance between the bottom plate and the top plate of the adjustable support, the support and disassembly of the casting formwork can be easily realized, thereby improving the reliability of the casting formwork support. This method uses frame safety calculation software to calculate the corresponding frame parameters, and designs and draws the frame model based on BIM technology combined with construction drawings. Finally, the frame is produced and processed and erected according to the model parameters. It can not only meet the independent support strength requirements of the post-casting strip, but also effectively save the number of frames used, improve installation and disassembly efficiency, improve turnover efficiency, and greatly reduce construction costs. It effectively solves the problems of difficult and inadequate cleaning of the post-casting strip concrete caused by the pouring of the main structure concrete; the use of standardized formwork production and formwork effectively shortens the construction period; and it can be used multiple times to save costs.

Claims

1. A supporting member for independent support of a post-cast strip, characterized in that: It includes a rod body, a concrete block and an adjustable support. The concrete block is cast on the bottom end of the rod body. A steel plate is provided on the top end of the rod body. The adjustable support includes a bottom plate, an internally threaded sleeve, a top plate and a screw. The internally threaded sleeve is centrally arranged on the bottom plate. The screw is centrally arranged on the top plate. The screw is screwed into the internally threaded sleeve. The bottom plate is arranged on the steel plate on the top end of the rod body and is connected with pins.

2. The supporting member for independent support of post-cast strip according to claim 1, characterized in that: The rod body is a DN200 seamless steel pipe, the inner threaded sleeve has a diameter of 80 mm and a length of 200 mm, and the screw rod is a threaded bolt with a length of 200 mm.

3. A supporting construction method for independent support of post-casting strip based on the supporting member according to claim 1 or 2, characterized in that The steps include: Step 1: Export the formwork frame model and drawings of the main structure support and the post-casting belt independent support according to the BIM technology. Set up the main structure formwork frame and the post-casting belt independent support frame according to the formwork frame model and drawings, install the rod body, cast concrete blocks at the bottom of the rod body to fix it, and use steel pipes to pull and fix the rod bodies; Step 2: Install an adjustable support at the top of the rod body, and adjust the distance between the bottom plate and the top plate through the internal threaded sleeve and the screw rod, so that the top plate fixes the casting template of the main structure support frame and the post-casting belt independent support frame; Step 3: Pour the main structure concrete. After pouring, when the concrete strength reaches the condition for demolding, start to remove the main structure formwork and pouring formwork. It is strictly forbidden to remove the independent support frame of the post-casting belt. Step 4: Use the adjustable support to remove the casting template of the independent support frame of the post-casting belt in sections and clean the concrete of the post-casting belt; Step 5. After the concrete of the post-casting strip is cleaned, the adjustable support is used again to fix the casting formwork of the independent support frame of the post-casting strip, and the erection of the casting formwork of the post-casting strip is completed.

4. The support construction method for independent support of post-cast strip according to claim 3 is characterized in that: In the step 1, the formwork frame model and drawings are designed according to the location, size, surrounding main structure component form and concrete strength of the post-cast strip, using BIM technology to model the main structure formwork frame and the post-cast strip independent support frame, and the frame production and processing drawings are derived.

5. The support construction method for independent support of post-cast strip according to claim 3 is characterized in that: The main structure formwork and post-cast strip independent support frame use frame safety calculation software, combined with the standard value of the self-weight of the casting formwork at the post-cast strip position in the building construction drawings, the self-weight of the cast concrete, the standard value of the self-weight of the steel bars, the load parameters generated by vibrating the concrete, the material parameters of the selected rods and the calculation model to perform corresponding frame safety calculations and finally determine the parameters of the supporting components used.

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