Method for controlling bare concrete wall column reinforcement protective cover

Abstract

The invention provides a method for controlling a bare concrete wall column reinforcement protective cover. The method comprises the steps that a galvanized steel pipe or a PVC pipe is arranged in advance for concrete pouring, the galvanized steel pipe or the PVC pipe are pulled upwards every time concrete with the thickness ranging from 500 mm to 600 mm is poured, and bubbles generated during concrete pouring disperse from the galvanized steel pipe or the PVC pipe; when concrete pouring is finished, the galvanized steel pipe or the PVC pipe is pulled out completely. According to the method for controlling the bare concrete wall column reinforcement protective cover, the appearance quality of the bare concrete is improved, the surface color of the bare concrete is kept consistent, no obvious color difference exists, no obvious cracks exist, the bubbles are uniform and tiny, the surface is flat and smooth after mold release, no oil stains or rusty spots or powdered objects exist, meanwhile, it is ensured that the thickness of the protective cover can meet the design requirement, and therefore durability of the concrete is improved.

Description

technical field [0001] The invention relates to the field of architectural engineering design, in particular to a method for controlling the steel bar protective layer of fair-faced concrete wall columns. Background technique [0002] At present, in addition to high requirements on geometric dimensions, concrete appearance quality requires consistent color, no obvious color difference and surface rust spots, and the area and depth of surface air bubbles are strictly controlled. In the past, the protective layer of the project mainly used conventional concrete or plastic pads to control the concrete protective layer. This construction method is easy to cause: first, the protective layer pads are exposed, which is inconsistent with the surface color of the newly poured concrete; The fixation is not firm, and the thickness cannot be guaranteed, which affects the durability of the concrete; the third is that due to the high sealing requirements of the fair-faced concrete wall co...

AI Technical Summary

Problems solved by technology

[0003] The invention provides a method for controlling the steel bar protective layer of fair-faced concrete wall columns to solve the problems of inconsistent surface color of newly poured concrete caused by conventional control of the concrete protective layer, poor concrete durability and easy formation of air bubbles on the building surface

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