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Construction method for bare concrete prefabricated stand board

A technology of fair-faced concrete and construction methods, which is applied in the processing of building materials, construction, building construction, etc., can solve the problems of long construction period, failure to achieve the surface decoration effect of fair-faced concrete, and failure to meet the construction period, etc., and achieve short turnover period , good decorative effect and fast construction speed

Inactive Publication Date: 2013-10-02
ANSHAN NORTHEAST CONSTR ARCHITECTURAL ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On-site pouring of the stand, the rough concrete surface cannot meet the surface decoration effect of fair-faced concrete, and the construction period is generally long, which cannot meet the requirements of the construction period

Method used

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  • Construction method for bare concrete prefabricated stand board
  • Construction method for bare concrete prefabricated stand board

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Embodiment Construction

[0028] Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described step by step:

[0029] Such as figure 1 , is a schematic diagram of the mold state during the construction of the stand plate embodiment of the present invention. The formwork 1 is a steel integral formwork, wherein the main bearing frame of the bottom formwork is a 240mm channel steel, the surface formwork adopts a 6mm steel plate, and the side formwork 2 is on an 80mm channel steel frame. Combination of 6mm steel plate and 80mm angle steel welded body; in the process of making the template, the allowable error of each dimension is ±2mm; the upper and lower parts of the template are controlled by screw rods 7, and the distance between adjacent screw rods 7 is 1~1.2m; In the formwork, paint the light release agent on 3 places on the inner surface of the mold; place the plastic bracket 6 at the position of the main reinforcement at the 4 places of the steel skele...

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Abstract

The invention relates to the field of concrete prefabricated members, in particular to a construction method for a bare concrete prefabricated stand board. The method comprises construction preparation, template manufacturing, steel bar framework manufacturing, concrete casting and vibrating, curing, demolding, piling and marking, and is characterized by comprising the following specific steps of: (1) making preparation for construction; (2) manufacturing a template; (3) manufacturing a steel bar framework; (4) coating an optical parting agent; (5) arranging a bracket; (6) inserting the steel bar framework into a mold; (7) assembling a steel mold; (8) fixing an embedded part and a hoisting ring; (9) performing self-checking and rechecking; (10) casting and vibrating concrete; (11) curing; (12) demolding and drawing; and (13) piling and marking. Compared with the prior art, the construction method has the beneficial effects of easiness and convenience in manufacturing, short turnover period, accurate geometric size, high construction speed, batch production and laminated assembly; due to the adoption of a prefabricating process, the engineering cost is reduced; and the construction method is particularly suitable for assembled reinforced concrete structures with high decorating requirements in large-sized stadiums.

Description

technical field [0001] The invention relates to the field of concrete prefabricated components, in particular to a construction method of fair-faced concrete prefabricated grandstand boards. Background technique [0002] Fair-faced concrete (As-cast Finish Concrete / Bare Concrete) is also called decorative concrete; it gets its name because of its great decorative effect. It belongs to one-time pouring molding, without any external decoration, and directly uses the natural surface effect of cast-in-place concrete as the finish. Therefore, it is different from ordinary concrete. Apply one or two coats of clear protector to look very natural and dignified. [0003] Clear-water concrete is the most advanced expression-form in the concrete material, and what it shows is the most essential a kind of aesthetic feeling, embodiment be the grade of " wearing no make-up during an audience with the emperor ". Fair-faced concrete has an unpretentious, natural and steady appearance char...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G21/00
Inventor 李泽杰冯永德谷晓峰宋博
Owner ANSHAN NORTHEAST CONSTR ARCHITECTURAL ENG
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