Construction method of sole plate post-poured strip form bracing system

A technology of a foundation floor and a construction method, which is applied in the treatment of formwork, the treatment of building materials, the preparation of building components on site, etc., can solve the problem of affecting the construction quality, pollution of the cavity of the post-cast belt, and difficulty of the support material of the post-cast belt. Demolition and other problems, to achieve the effect of simple construction, ensure construction quality, simple production and operation process

Active Publication Date: 2010-09-15
南通建工集团股份有限公司
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Problems solved by technology

Generally, the post-cast belt formwork support of the foundation base plate adopts steel mesh formwork, and the post-cast belt support material is difficult to remove, and is generally left in the post-cast belt, and the formwork support material is a one-time consumption; The grout leakage in the gap of the protective layer of the steel bar will cause pollution to the cavity of the post

Method used

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  • Construction method of sole plate post-poured strip form bracing system
  • Construction method of sole plate post-poured strip form bracing system
  • Construction method of sole plate post-poured strip form bracing system

Examples

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Example Embodiment

[0025] A construction method of post-casting with formwork support system for foundation slab includes the following steps:

[0026] 1) Prefabricated concrete retaining bars 1, making steel mesh mold 2; steel mesh mold includes steel mesh 3, each of the steel mesh is rectangular, and the steel mesh is tied by lead wires with vertical steel bars 4, horizontal steel bars 5 and scissors-type lead wire oblique Tension strip 6, 90-degree hooks are set at the end of the vertical steel wire to facilitate the removal of vertical and horizontal steel bars; the upper and lower steel mesh molds reserve 80-120mm steel mesh allowances respectively, which are the corners of the post-cast belt Used for wrapping and blocking the grout; 180-220mm allowance of expanded metal is reserved on one side of each expanded metal mold to facilitate the on-site binding and lap connection between expanded metal molds;

[0027] 2) After the foundation slab cushion concrete, protective layer concrete or advanced...

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Abstract

The invention discloses a sole plate post-poured strip form bracing system, applicable to sole plate post-poured strip form bracing of basement in constructional engineering. The form bracing system is mainly composed of components of a steel screen mould, a cable-stayed bolt and structural steel back plank, a precast slurry baffle concrete strick and a slurry baffle wood block. The invention utilizes a sole plate reinforcing mattress as a main bracing body, side pressure of concrete at the two sides of the post-poured strip can be effectively braced, the cavity of the formed post-poured strip is clean, tidy and clear and has no concrete pouring oozing or laitance pollution, most materials in the post-poured strip form bracing system are available and can be dismantled and recycled, and design function of post-poured strip can be effectively realized.

Description

Technical field: [0001] The invention relates to a construction technology of civil engineering and construction engineering, which is a construction method of a post-cast belt formwork support system for a foundation base plate. Background technique: [0002] The post-pouring belt construction formwork support material of the foundation base plate has no other function except to form the cavity of the post-casting belt. Generally, the post-cast belt formwork support of the foundation base plate adopts steel mesh formwork, and the post-cast belt support material is difficult to remove, and is generally left in the post-cast belt, and the formwork support material is a one-time consumption; The grout leakage in the gap of the protective layer of the steel bar will cause pollution to the cavity of the post-cast belt. Generally, mortar is used to block it or a cast-in-place plain concrete grout strip is arranged before the reinforcement of the foundation floor is bound. After t...

Claims

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Application Information

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IPC IPC(8): E04G21/00E04G21/02E04G21/12E04G19/00
Inventor 易兴中刘旭李光顾俊祥汪翔
Owner 南通建工集团股份有限公司
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