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Channel cutting assembly type underground continuous wall and construction method

An underground diaphragm wall, prefabricated technology, applied in sheet pile walls, infrastructure engineering, construction, etc., can solve the problems of prolonged construction period and large space occupation.

Active Publication Date: 2018-12-07
浙江吉通地空建筑科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above two commonly used forms of foundation pit enclosure require the construction of two kinds of piles, of which the rigid piles located on the inside are used for retaining soil, and the underground cement-soil continuous wall located on the outside is used for water stop. During the construction of the structure, not only the construction period is prolonged, but also the space occupied is large

Method used

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  • Channel cutting assembly type underground continuous wall and construction method
  • Channel cutting assembly type underground continuous wall and construction method
  • Channel cutting assembly type underground continuous wall and construction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0082] Embodiment 1: as figure 1 , figure 2 As shown, a canal-cut assembled underground diaphragm wall includes: an underground cement-soil diaphragm wall 1, which is used to block groundwater to form a foundation pit enclosure; and an assembled wall inserted in the underground cement-soil diaphragm wall body member2.

[0083] The prefabricated wall components include a number of vertical reinforced concrete prefabricated parts 3 arranged in sequence along the length direction of the underground cement-soil continuous wall, and two adjacent vertical reinforced concrete prefabricated parts are connected by a mortise and tenon structure 4 .

[0084] Such as figure 1 , Figure 4 As shown, the mortise and tenon structure includes a vertical mortise 4.0 arranged on the side of one of the vertical reinforced concrete prefabricated parts and a vertical mortise 4.0 arranged on the side of the other vertical reinforced concrete prefabricated part and matched with the vertical To t...

Embodiment 2

[0096] Embodiment 2: A construction method of a canal-cut and assembled underground diaphragm wall. For the specific structure of the canal-cut and assembled underground diaphragm wall in this embodiment, refer to Example 1.

[0097] The construction method of the canal-cut prefabricated underground diaphragm wall includes the following steps in sequence:

[0098] Such as figure 1 As shown, an underground cement-soil continuous wall 1 is constructed on the foundation soil, such as a canal-cut cement-soil wall.

[0099] During the construction of the underground cement-soil diaphragm wall, after each construction of an underground cement-soil diaphragm wall with a set length (for example, after each construction of an underground cement-soil diaphragm wall with a set length of 5-10 meters), within this section of the underground cement-soil diaphragm wall Construction of the corresponding prefabricated wall components 2.

[0100] The construction of prefabricated wall compone...

Embodiment 3

[0108] Embodiment 3, the remaining structure of this embodiment is with reference to embodiment 1, and its difference is:

[0109] Such as Figure 5 , Figure 6 As shown, the vertical tenon is composed of several vertical steel pipes 4.11 distributed sequentially from bottom to top. The outer surface of the vertical steel pipe is provided with a number of grout holes 4.12 distributed sequentially from bottom to top, and the grout holes communicate with the inner chamber of the vertical steel pipe.

[0110] The vertical steel pipe is a round pipe. The upper and lower ends of the vertical steel pipe are open. The lower end of the vertical steel pipe is provided with a vertical insertion pipe 4.13. The outer diameter of the vertical insertion pipe is less than or equal to the inner diameter of the vertical steel pipe. Among the two adjacent vertical steel pipes, the vertical insertion pipe on the upper vertical steel pipe is inserted into the upper port of the lower vertical...

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Abstract

The invention discloses a channel cutting assembly type underground continuous wall and a construction method. The channel cutting assembly type underground continuous wall and a construction method which is capable of guaranteeing soil blocking capability and water stopping capability of a foundation pit enclosure, and a construction period of the foundation pit enclosure is effectively shortened, the occupied space of a foundation pit support is reduced is provided. The channel cutting assembly type underground continuous wall comprises an underground water soil continuous wall and an assembly type wall body component, wherein the underground water soil continuous wall is used for blocking underground water to form a foundation pit enclosure body, the assembly type wall body component isarranged into the underground water soil continuous wall in an inserted mode, the assembly type wall body component comprises a plurality of vertical reinforced concrete prefabricated parts which aredistributed in sequence along the length direction of the underground water soil continuous wall, and every two adjacent vertical reinforced concrete prefabricated parts are connected through a mortise and tenon structure.

Description

technical field [0001] The invention relates to an underground continuous wall, in particular to a canal-cut and assembled underground continuous wall and a construction method. Background technique [0002] In the foundation pit construction of buildings or structures, the enclosure of the foundation pit is generally constructed first, and then the foundation pit is excavated. [0003] There are many types of foundation pit enclosure structures, and the following two forms of foundation pit enclosure are usually used: First, the soil is retained by bored piles, and an underground cement-soil diaphragm wall is constructed on the outside of the bored piles, and the underground cement-soil diaphragm wall blocks groundwater to form a foundation pit Enclosure (such as canal-cut cement-soil wall); secondly, the reinforced concrete underground diaphragm wall is used to retain soil, and the underground cement-soil diaphragm wall is constructed on the outside to block groundwater to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D5/20
CPCE02D5/20
Inventor 江正兵何東霖张永红张治纯
Owner 浙江吉通地空建筑科技有限公司
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