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Construction method for immersed tube type underground continuous wall without compacting

A construction method and tubular technology, applied in the direction of sheet pile walls, foundation structure engineering, construction, etc., can solve the problems of lack of guarantee of concrete quality, large amount of engineering, long construction period, etc., and achieve the elimination of soil squeezing effect, high quality of concrete, The effect of fewer construction steps

Inactive Publication Date: 2012-07-25
傅健
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of this construction method are the large amount of work, long construction period, not environmental protection, and the lack of guarantee of concrete quality

Method used

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  • Construction method for immersed tube type underground continuous wall without compacting
  • Construction method for immersed tube type underground continuous wall without compacting
  • Construction method for immersed tube type underground continuous wall without compacting

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Experimental program
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Embodiment Construction

[0025] The construction method of the immersed tube type non-crowding underground diaphragm wall, the construction steps are as follows:

[0026] 1) Place the solid concrete pile shoe 7 on the designated pile position;

[0027] 2) Use the pile driver equipment 1 to lift the rectangular pipe sinker 5, and set the rectangular pipe sinker 5 with the soil discharge pipes 6 on both sides on the solid concrete pile shoe 7;

[0028] 3) Hit the holder 3 on the top of the rectangular pipe sinker 5 with a high-frequency hydraulic vibrating hammer 2, vibrate in turn into a group of four rectangular pipe sinkers that are adjacent to each other, and the soil passes through the discharge pipes on both sides of the rectangular pipe sinker 6 The bottom port enters the soil discharge pipe 6, and is discharged to the ground from the mud outlet 4 on the top of the soil discharge pipe 6;

[0029] 4) Place a reinforcement cage in the rectangular immersed tube;

[0030] 5) Pour concrete into the ...

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Abstract

A construction method for an immersed tube type underground continuous wall without compacting belongs to construction methods for foundation treatment and foundation engineering. A group of rectangular tube settlers is firstly sleeved on a solid concrete pile shoe and sequentially hammered by a high-frequency vibratory hammer, a steel reinforcement cage is placed into each rectangular tube settler, concrete is filled into the first rectangular tube settler, the first rectangular tube settler is pulled out in a vibrating manner to form a first pile, the first rectangular tube settler is hammered into a fifth position, the second rectangular tube settler is hammered into a sixth position, and the process is repeated to form a second pile, a third pile, a fourth pile and the like, so that the continuous wall is constructed. The method is more reasonable in stress and more efficient in material use, owing to non-drilling hole formation, on-site pollution is less, the environment is clean and neat, a compacting effect is eliminated by the process, concrete quality is high, and construction is fast.

Description

technical field [0001] The invention belongs to a construction method for foundation treatment and foundation engineering, in particular to a construction method for an immersed tube type non-crowded underground diaphragm wall. Background technique [0002] The construction method of the traditional underground diaphragm wall is: excavate or punch out a groove with a certain width and depth along the periphery of the underground building and according to the predetermined position through special digging (flushing) equipment, and use mud Protect the wall, and set a steel cage with a certain rigidity in the groove; then, use a conduit to pour underwater concrete to build a unit groove, so that it is carried out section by section, and the construction is carried out in sections, and joints are used in a special way to form continuous underground reinforcement. Concrete walls. The disadvantages of this construction method are that the amount of work is large, the construction...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/20E02D5/38E02D11/00
Inventor 傅健
Owner 傅健
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