Construction technology of machine-made sand fair-faced concrete

A technology of fair-faced concrete and construction technology, applied in the field of concrete, can solve the problems of rough surface, increase engineering cost, shedding, etc., achieve the effects of high flatness and smoothness, reduce engineering cost, and ensure workability

Inactive Publication Date: 2017-08-18
ZHENGZHOU UNIVERSITY OF AERONAUTICS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After conventional concrete construction, it is necessary to carry out secondary treatment on the finish of the concrete. The surface of the finish is relatively rough, and the finish layer is often coated with ash layer after the concrete is solidified, which increases the project cost, and will fail

Method used

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  • Construction technology of machine-made sand fair-faced concrete
  • Construction technology of machine-made sand fair-faced concrete
  • Construction technology of machine-made sand fair-faced concrete

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[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0019] see figure 1 , the present invention provides a kind of technical scheme: a kind of construction technology of machine-made sand fair-faced concrete, the concrete steps of the construction technology of this machine-made sand clear-water concrete are as follows:

[0020] S1: Install the formwork on the platform in strict accordance with the formwork assembly drawing, and pay attention to the accuracy between adjacent formworks to ensure that the shape a...

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Abstract

The invention discloses a construction technology of machine-made sand fair-faced concrete and belongs to the technical field of concrete. The construction technology of the machine-made sand fair-faced concrete includes the following specific steps of S1, assembling frameworks; S2, tying rebars; S3, preparing machine-made sand fair-faced concrete mixture; S4, pouring in the frameworks; S5, vibrating and compacting the concrete in the frameworks by a vibrating bar; and S6, removing the frameworks and conducting hydrating maintenance by adoption of plastic films. the machine-made sand fair-faced concrete prepared through the construction technology can guarantee workability, liquidity, pumpability, strength and anti-permeability performance of the concrete. The dried concrete surface is uniform in color, and high in flatness and smoothness, the concrete can be used as decoration materials directly, therefore a plastering layer and a surface layer are omitted, the project cost is reduced, and the quality problems of hollowing, falling and cracking caused by the plastering technology are eliminated.

Description

technical field [0001] The invention relates to the technical field of concrete, in particular to a construction technique of machine-made sand fair-faced concrete. Background technique [0002] Manufactured sand is also called artificial sand. It is made of rocks after soil removal, mechanical crushing, and screening. The rock particles whose nominal particle size is less than 5mm, but does not include soft rocks and weathered rock particles. Sand is the main material of concrete. With the development of the construction industry and the emphasis on the quality of construction projects, the quantity of sand used in the construction market is increasing, and the quality requirements are also getting higher and higher. The qualified natural sand resources are getting better and better. The resulting problems of project quality, damage to farmland and water resources are becoming more and more serious, and sand production also changes due to changes in resources. The use of ma...

Claims

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Application Information

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IPC IPC(8): E04G21/02
CPCE04G21/02
Inventor 赵瑞何盛东张志友杨玲苏洪涛曹艳艳王华史伟亚
Owner ZHENGZHOU UNIVERSITY OF AERONAUTICS
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