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Installation method of support middle beam in foundation pit of section steel cement-soil wall

A technology for cement-soil wall and foundation pit support, applied in excavation, infrastructure engineering, construction, etc., can solve problems such as low construction efficiency, low accuracy, safety accidents, etc., and achieve fast installation speed, high work efficiency, and adjustment. high precision effect

Inactive Publication Date: 2012-07-25
天津华悦工程咨询有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method has the following technical disadvantages: 1. The construction efficiency is low, not only the welding and fixing efficiency is low, but also the disassembly is time-consuming and laborious, which seriously affects the construction period and project progress
2. It is difficult to pull out the section steel
The surface of the profile steel is no longer smooth due to welding, making it difficult to pull out the profile steel
3. The cost of supporting the waist beam is high. In addition to the cost of low construction efficiency, it also causes waste of materials such as welding, fixing, cutting and dismantling
4. Low accuracy
The accuracy of the welding position is low and cannot be adjusted, which affects the support effect of the lumbar beam
5. Poor security
This construction method has potential safety hazards, is difficult to construct, and is likely to cause safety accidents and other problems.

Method used

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  • Installation method of support middle beam in foundation pit of section steel cement-soil wall
  • Installation method of support middle beam in foundation pit of section steel cement-soil wall
  • Installation method of support middle beam in foundation pit of section steel cement-soil wall

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Embodiment 1

[0020] A method for installing the supporting waist beam of a foundation pit of a steel-cement-earth wall. The supporting waist beam is installed in a hoisting manner. There are shaped steel inside the steel-cement-earth wall. On the upper part, support is installed on the waist beam for steel cement soil wall support.

[0021] Concrete hoisting method: there is a crown beam 7 on the steel cement soil wall 9, steel cement soil wall 9 internal profiled steel 1, and the hoisting mechanism on the profiled steel 1 includes a suspension wire rope 2, a length adjustment lockset turnbuckle 4 and a waist beam fixing wire rope 6, suspended Pull the steel wire rope 2 and be connected on the section steel 1 of the steel cement soil wall, and the length adjustment lockset turnbuckle 4 is equipped with an upper screw adjustment rod 3 and a lower screw adjustment rod 5 . The lower end of the lower screw adjusting rod 5 has a hook, and the lower end of the lower screw adjusting rod hooks the...

Embodiment 2

[0023] A method for installing the supporting lumbar beam in a foundation pit of a steel-cement-earth wall. The supporting lumbar beam is installed in a hoisting manner. There is shaped steel in the steel-cement-earth wall. On the upper part, support is installed on the waist beam for steel cement soil wall support.

[0024] Concrete hoisting method: steel-cement-earth wall interior section steel 11 has davit 12, and davit 12 hoists waist beam 13 in desired position. Others are the same as embodiment 1.

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Abstract

The invention relates to an installation method of a support middle beam in a foundation pit of a section steel cement-soil wall, and belongs to the technical field of foundation pit construction. The installation method is characterized in that the support middle beam is installed in a hoisting mode; the section steel cement-soil wall is internally provided with section steel; the support middlebeam is installed on the inner section steel of the section steel cement-soil wall in a hoisting mode; and a support is arranged on the middle beam so as to support the steel cement-soil wall. The installation method has the advantages of simple structure, economical efficiency, practicability, low cost, high adjusting accuracy, low fault rate, high operating efficiency and the like, and is convenient in construction, disassembly and assembly and maintenance.

Description

technical field [0001] The invention belongs to the technical field of foundation pit construction, and in particular relates to a method for installing a waist beam supporting a foundation pit with a steel cement-earth wall. Background technique [0002] At present, the waist beam installation method for supporting the foundation pit of the shaped steel cement-earth wall adopts the waist beam to be welded on the shaped steel in the foundation pit of the shaped steel cement-earth wall, and then supports. This method has the following technical disadvantages: 1. The construction efficiency is low, not only the welding and fixing efficiency is low, but also the dismantling is time-consuming and laborious, which seriously affects the construction period and project progress. 2. It is difficult to pull out the section steel. Due to welding, the surface of the section steel is no longer smooth, which makes it difficult to pull out the section steel. 3. The cost of supporting t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D17/02E02D17/04
Inventor 刘福林孙忠良田乃婷曹文胜孙钟靖王少华高成伟孙浩尚昆王凯张子琦马青海张志军李建强韩颖袁朋安朋解明杰李满元潘道静张建博沈勤郭蔚飞
Owner 天津华悦工程咨询有限公司