Construction method for special structure layer of cone bottom wheat-immersion

Abstract

The invention discloses a construction method of a special structural layer for tapered bottom wheat steeping, comprising the following steps of: erecting a bracket according to the sequence of a special-shaped beam, a cross-shaped beam, a circular beam and a round hole; laying a special-shaped beam bottom form and a cross-shaped beam bottom form on the beam bottom bracket; banding a beam reinforcement cage above the special-shaped beam bottom form; placing the banded beam reinforcement cage on the special-shaped beam bottom form; banding a beam reinforcement cage above the cross-shaped beam bottom form; banding cantilever bracket tendons on the special-shaped beam and the cross-shaped beam, and passing reinforcing steel bars through the circular beam; preparing a triangular hollow cabinet from battens and bamboo veneers and fixing on the beam bottom protruding from the circular beam; laying a planking bottom form on the side from of each beam, and reserving post-casting zones at the corresponding position of the beam affecting on the stretching of the bonded prestressed tendons; pouring concrete; and stretching the special-shaped beam prestressed tendons in this layer. The inventive method has the advantages of no need of rework, convenient scaffold erection, accurate template erection positions, and safe structure.

Description

technical field [0001] The invention relates to a construction method, in particular to a construction method for a special structure layer of wheat soaked at the bottom of a cone. Background technique [0002] At present, in the vertical wheat tower project, there is a special structure layer of cone-bottom leaching wheat. This special structure layer is the most complicated layer in the wheat tower project. It has a large floor height and a long construction period. There are many types of work. [0003] The conventional construction method is to organize the construction according to the frame beam. Conventional methods cannot correctly understand the structural characteristics of each part, resulting in the phenomenon that the next process cannot be constructed after one process is completed, resulting in repeated rework; the scaffolding project only has a single design for each beam, and cannot unify the layer as a whole design, resulting in construction difficulties ...

AI Technical Summary

Problems solved by technology

Conventional methods cannot correctly understand the structural characteristics of each part, resulting in the phenomenon that the next process cannot be constructed after one process is completed, resulting in repeated rework; the scaffolding project only has a single design for each beam, and cannot unify the layer as a whole design, resulting in construction difficulties and unnecessary scaffolding; the on-site configuration of the round beam formwork caused a large deviation in the circle surrounded by the round beams, which could not meet the requirements of process installation; the formwork in special parts has a small space, such as conventional formwork way, it will make it difficult to support the formwork here and the size is inaccurate; if the formwork material is not selected properly, the appearance quality of the concrete will not be guaranteed or the cost of the formwork will be too high; The location of the steel bars has a large position shift, which affects the safety of the structure; the steel bars in some parts are too dense to make concrete pouring difficult; the prestressed tendons of this layer are stretched first, and then the roof layer is prestressed, which will easily lead to the final establishment of this layer. The prestress value is inaccurate, which affects the structural safety

Images