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Blocking, pouring and reinforcing construction method for building with pile foundations in underground bomb shelter

A construction method and air-raid shelter technology, which is applied in building maintenance, building types, buildings, etc., can solve problems affecting underground air-raid shelters, etc., and achieve the effects of solving construction difficulties, improving construction efficiency, and speeding up construction progress

Inactive Publication Date: 2014-02-26
CHINA CONSTR SECOND ENG BUREAU LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the difficult problem of the underground air-raid shelter that affects foundation construction

Method used

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  • Blocking, pouring and reinforcing construction method for building with pile foundations in underground bomb shelter
  • Blocking, pouring and reinforcing construction method for building with pile foundations in underground bomb shelter
  • Blocking, pouring and reinforcing construction method for building with pile foundations in underground bomb shelter

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Embodiment Construction

[0021] Below in conjunction with specific implementation case the present invention is specifically described as follows: figure 1 As shown, the survey conducted inside the air-raid shelter, the room position survey in the air-raid shelter is more accurate, but the accuracy of the air-raid shelter channel position survey is not high. In order to ensure the location of the air-raid shelter passage, the newly opened air-raid shelter is located above the air-raid shelter, and based on the drawings drawn in the preliminary survey, probe holes will be carried out within the scope of the air-raid shelter passage. Based on the prepared drawings, probe holes shall be constructed at intervals of 1m along the passage of the air-raid shelter. After the completion of the sounding hole, the precise positioning of the air-raid shelter is reflected on the ground, and after the new hole construction is carried out at the passage position, the actual measurement of the elevation of the roof, t...

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Abstract

The invention relates to a blocking, pouring and reinforcing construction method for a building with pile foundations in an underground bomb shelter. The method includes firstly, detecting the underground bomb shelter, drawing a bomb-shelter course map, performing hole detection on overlapped or adjacent pile foundations on the bomb-shelter course map, and determining pile positions affected by the bomb shelter; secondly, erecting supporting frames in the bomb shelter to prevent collapse, building retaining walls around the pile foundations and the bomb shelter in the bomb shelter to perform segmented blocking, and pouring concrete onto the pile foundations, wherein the strength of the concrete is increased by one grade as compared with the design strength; finally, pouring concrete to and tamping the bomb shelter after pouring of the pile foundations is finished and the design strength is achieved. By the method, the problem of construction difficulty in processing the underground bomb shelter is solved, construction efficiency is improved, and construction progress is accelerated.

Description

technical field [0001] The invention relates to an engineering construction method, in particular to a reinforcement construction method for a pile foundation in an underground air-raid shelter. Background technique [0002] The air-raid shelter is a cave dug during the Anti-Japanese War to avoid the bombing of enemy artillery fire and to protect the safety of people and property. The air-raid shelters in Chongqing began at the beginning of the outbreak of the Anti-Japanese War. Most of them were brick walls, stone strips, and some concrete structures. However, with the transformation of the city and the loss of some data, many air-raid shelters were abandoned and buried underground. Due to the complex terrain and long and narrow shape of this type of air-raid shelter, it is difficult to find it in the early exploration, and it is only discovered during the foundation construction process. There is little experience in the construction of underground caverns such as undergr...

Claims

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Application Information

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IPC IPC(8): E04G23/02E04H9/12
Inventor 马文浩石立国刘强罗艺郑雄陈博朱俊成张继川李太云
Owner CHINA CONSTR SECOND ENG BUREAU LTD
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