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Construction method of conical concrete roof on top of silo

A construction method and concrete technology, applied in construction, building structure, construction material processing and other directions, can solve the problems of non-compact vibration, local roof leakage, difficult vibration of roof concrete, etc., to ensure construction quality, The effect of ensuring utilization efficiency and preventing material waste

Inactive Publication Date: 2016-09-28
CCCC FIRST HARBOR ENG +1
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

Improper construction methods will lead to quality problems such as difficulty in vibrating the roof concrete, insufficient vibration, and dimensions after completion that do not meet the design requirements, which will lead to defects such as uneven stress on the roof structure and local roof leakage.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The construction method for the concrete conical roof of the silo roof is characterized in that it comprises the following steps:

[0021] (1) Determine the size of the bottom mold of the conical roof, process the formwork after the template is turned over, and install it in sequence according to the turnaround diagram during installation;

[0022] (2) Concrete pouring is carried out in four stages. In the first stage, the lower ring beam is poured to 1 / 3 of the first ring beam, and the amount of concrete poured in the first stage is 240m 3 In the second stage, 1 / 3 of the first ring beam to 1 / 3 of the second ring beam is poured, and in the third stage, 1 / 3 of the second ring beam is poured to 2 / 5 of the third ring beam. Four-stage pouring from 2 / 5 of the third ring beam to the upper platform, and the concrete volume of each stage from the second to the fourth stage is about 90m 3 , the four stages are poured continuously in sequence. When the concrete strength of the p...

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Abstract

The invention discloses a construction method of a conical concrete roof on the top of a silo. The construction method of the conical concrete roof on the top of the silo comprises the steps that the size of a bottom template of a conical roof plate is determined firstly; machining is conducted after transformation of the bottom template is completed, and sequential installation is conducted according to a transformation drawing during installation; concrete pouring is conducted in four stages; construction seams are reserved between all the stages according to actual construction requirements; and vertical transport equipment is arranged in the construction process, and a cover template with split bolts and a bottom plate in opposite pulling is adopted during vibrating of concrete. According to the construction method of the conical concrete roof on the top of the silo, the construction characteristics and processing methods of the conical roof are taken into consideration systematically, the construction quality is guaranteed, and cost for quality defect maintenance is reduced; and the material utilization rate is guaranteed, and material waste is prevented.

Description

technical field [0001] The invention relates to the field of building engineering construction, in particular to a construction method for a concrete conical roof on the top of a silo. Background technique [0002] The concrete conical roof of the silo is widely used in grain silo projects because of its large water catchment area, smooth drainage, and meeting the grain storage requirements in the silo. It is widely used in grain storage silo structures due to its beautiful shape, good drainage, and heat insulation performance. However, due to the geometric characteristics of the conical roof, higher requirements are put forward for the construction method. Improper construction methods will lead to quality problems such as difficulty in vibrating the roof concrete, insufficient vibration, and dimensions after completion that do not meet the design requirements, which will lead to defects such as uneven stress on the roof structure and partial roof leakage. Contents of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G21/00E04G21/04
CPCE04G21/00E04G21/04
Inventor 陈聪刘玉宝秦国鹏李小强
Owner CCCC FIRST HARBOR ENG
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