Construction method of ultrahigh facing bare concrete vertical column

A technology of fair-faced concrete and construction method, which is applied in formwork/template/work frame, formwork treatment, and on-site preparation of building components, etc. Edge corners, uneven surface color and other problems, to achieve the effect of reducing template assembly time, good visual quality and good visual effect

Inactive Publication Date: 2019-08-09
CHINA RAILWAY SIXTH GROUP +1
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Problems solved by technology

[0004] The present invention is a construction method for super-high-decorated fair-faced concrete columns. This method is mainly aimed at the curved-surface and irregular-faced fair-faced concrete canopy project with complex shape and tight construction period, and the traditional construction method cannot meet the design appearance effect, and mainly solves the following problems : ① After the concrete pouring o

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  • Construction method of ultrahigh facing bare concrete vertical column

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Embodiment Construction

[0024] The newly built Beijing-Zhangjiakou Railway Changping Station ZFSG1 platform windshield column is a finished fair-faced concrete structure, with a height of 4057mm, complex shape, and extremely dense reinforcement; the Taizicheng station building column is a 6.5m high-faced fair-faced concrete structure. The appearance quality of facing fair-faced concrete cannot be guaranteed by the construction technology of ordinary concrete columns. The construction technology of the ultra-high facing fair-faced concrete column of the present invention greatly reduces construction difficulty, ensures construction safety, and improves construction quality.

[0025] Specially formulated steel formwork and concrete conduit measures are used to ensure the geometric dimension accuracy of super-high special-shaped column concrete. The thickness of the panel is 5mm, and the back corrugation is made of 12# channel steel; the height is 4.057 meters (the height of the column formwork of Taizi...

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Abstract

The invention relates to a concrete vertical column construction process, in particular to a construction method of an ultrahigh facing bare concrete vertical column. A traditional concrete column construction process is integrated and improved through process optimization of all links such as the match ratio of bare concrete, quality control of raw materials, a material of formworks, a material of a release agent, formwork mounting and dismounting, pouring and vibration of the bare concrete, rain shed curing of the bare concrete, and protection of a finished bare concrete product. According to the process, the problems that as for a special-shaped facing bare concrete column, modelling construction is difficult, and the appearance quality is difficult to guarantee are effectively solved,it is guaranteed that the facing bare concrete is poured to be formed at a time, pitted surface bubbles are avoided, the color is uniform, and opposite joints of the formworks are regular and uniform,and have the mechanism and texture of the concrete.

Description

technical field [0001] The invention relates to a construction technique for a concrete column, in particular to a construction method for a super-high-faced fair-faced concrete column. Background technique [0002] Fair-faced concrete is a new, green, high-performance concrete that integrates structure and decoration. Economically, it is beneficial to save resources. The fair-faced concrete structure is no longer used for exterior decoration, which saves traditional decoration materials, which is of great significance to the conservation of natural resources, and does not require exterior decoration, which greatly reduces project costs. And as facing concrete, there is a higher standard in appearance quality than fair-faced concrete. [0003] With the rapid development of high-speed railway construction, the construction standards of railway stations and canopies are getting higher and higher. At present, most station platform canopies are in the form of steel structure c...

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Application Information

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IPC IPC(8): E04G13/02E04G21/02E04G19/00
CPCE04G13/02E04G19/00E04G21/02
Inventor 侯欣高立状梁生武王攀刘海泉王辉陈小重潘宏图贾珍则郝天坤李伟
Owner CHINA RAILWAY SIXTH GROUP
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