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Midspan hogging moment rapid demolding method for T-beam formwork

A technology of negative bending moment and beam formwork, applied in the treatment of formwork, the preparation of building components on site, construction, etc., can solve the problems of inconvenient demoulding, low work efficiency, low demoulding quality, etc., to increase labor Efficiency, reduced labor, and aesthetically pleasing effects

Pending Publication Date: 2022-07-29
云南渝霖模板制造有限公司
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  • Claims
  • Application Information

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Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a fast demoulding method for the mid-span negative bending moment of the T-beam formwork, which solves the problems of low work efficiency, low demoulding quality and inconvenient demoulding

Method used

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  • Midspan hogging moment rapid demolding method for T-beam formwork
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  • Midspan hogging moment rapid demolding method for T-beam formwork

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Embodiment

[0033] like Figure 1-3 As shown, the embodiment of the present invention provides a rapid demoulding method for a negative bending moment in a middle span of a T beam formwork, which specifically includes the following steps:

[0034] S1. Pre-processing

[0035] Before forming the mold, the negative bending moment tooth block is processed and used at 90°, the external angle of the negative bending moment tooth block is changed to a circular arc transition, and the anchor box is directly fixed on the template;

[0036] S2. Preparation before dismantling

[0037] When the formwork and its supports are dismantled, the concrete strength of the dismantled side formwork should reach 1.2MPa to ensure that the surface and edges and corners of the formwork are not damaged due to the dismantling of the formwork.

[0038] S3. Removal sequence

[0039] The order of removing the formwork is opposite to the order of installing the formwork. The formwork supported first is removed later,...

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Abstract

The invention provides a T-beam formwork mid-span hogging moment rapid demolding method, and relates to the technical field of building construction. The T-beam formwork mid-span hogging moment rapid demolding method specifically comprises the following steps that S1, earlier-stage processing is conducted, specifically, before formwork assembling is conducted, hogging moment tooth blocks are machined and used according to 90 degrees, the external corners of the hogging moment tooth blocks are changed to be in arc transition, and anchor boxes are directly fixed to a formwork; according to the T-beam formwork mid-span hogging moment rapid demolding method, the draft angle is increased, demolding becomes easy, only small force is needed, the formwork can automatically fall off under the gravity effect, concrete cannot be damaged after demolding, the appearance is attractive, secondary anchor sealing can be achieved only by filling in the position of an anchor box after tensioning, and the T-beam formwork mid-span hogging moment rapid demolding method is suitable for large-scale popularization and application. A template is not needed, so that the labor efficiency is improved, and the labor capacity is greatly reduced.

Description

technical field [0001] The invention relates to the technical field of building construction, in particular to a rapid demoulding method for a negative bending moment in a middle span of a T beam formwork. Background technique [0002] The building formwork is a temporary support structure, which is made according to the design requirements, so that the concrete structure and components are formed according to the specified position and geometric size, maintain their correct position, and bear the self-weight of the building formwork and the external load acting on it. The purpose of the formwork project is to ensure the quality and construction safety of the concrete project, speed up the construction progress and reduce the project cost. [0003] The existing patent (CN114182955A) discloses a concrete formwork demoulding device and a demoulding method, which relate to the technical field of construction tools, including a vibration unit, the vibration unit is connected wit...

Claims

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Application Information

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IPC IPC(8): E04G19/00
CPCE04G19/00
Inventor 康燕
Owner 云南渝霖模板制造有限公司
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