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Method for alternately constructing underground vertical members using top-down construction method

A technology of vertical components and construction methods, applied in underwater structures, excavation, artificial islands, etc., can solve problems such as great influence on air quality, and achieve the effect of shortening the overall construction period, shortening the construction period, and not delaying the overall construction period

Pending Publication Date: 2022-02-01
梁京沃
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, according to the construction speed of the underground floors, due to the structural constraints that the floors above the ground cannot be raised above a certain number of floors, the underground construction has a great impact on the air quality

Method used

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  • Method for alternately constructing underground vertical members using top-down construction method
  • Method for alternately constructing underground vertical members using top-down construction method
  • Method for alternately constructing underground vertical members using top-down construction method

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Effect test

Embodiment Construction

[0047] The construction method of every other underground vertical member constructed according to the reverse drilling method of the present invention will be described in detail below.

[0048] figure 1 It is a general flow chart of the construction method of the underground vertical member by the back-drilling method of every other construction according to an embodiment of the present invention. The target project is an SRC office building with 6 floors underground and 39 floors above ground.

[0049] see figure 1 , In the construction method of the underground vertical member of the present embodiment, in the retaining construction step S10, the retaining wall is constructed in the basement based on the outer wall of the basement floor of the building, and the mud walls, CIP, H piles are constructed. and ground plane.

[0050]In the underground pile construction step S20, the pillars of the building are constructed from the ground to the foundation and the floor mat by...

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Abstract

The present invention provides a construction method for shortening a period of underground frame construction in a top-down method, particularly a method for alternately constructing underground vertical members (core parts, pillars) down to lower levels and then constructing the remaining vertical members simultaneously, thus making it possible to shorten the construction period. This construction method comprises: a first step for excavating a first basement level and a floor of a first level of a construction site; a second step for constructing a slab of a basement level downward and constructing a core part of one basement level in order to support a core part of above-ground levels at the same time; a third step for alternately constructing underground vertical members downward; and a step for simultaneously constructing the remaining underground vertical members after constructing a mat of the lowest level or a foundation, wherein the construction period of the underground vertical members is shortened so that subsequent above-ground frame construction and finishing construction can be started early, thus shortening the overall construction period.

Description

technical field [0001] The invention relates to a top-down back-drilling method in order to shorten the period of the underground skeleton during construction, and more particularly, to a construction method in which every other underground vertical member is installed downward, and then after installing the floor mat and foundation , The vertical components of the remaining floors are constructed, thereby shortening the underground vertical components and the overall construction period. Background technique [0002] The reverse perforation method (top-down) is a method of shortening the construction period by constructing the frame on the basement level and simultaneously constructing the frame on the ground floor. [0003] The general sequence for underground back-drilling construction is to install retaining walls and columns, excavate each layer, construct slabs, and finally construct the lowest floor foundation or mat at a depth of 4 to 7 floors underground. [0004] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D29/055
CPCE02D29/055E02D17/04E02D17/083E02D2220/00E02D2300/002E02D2300/0029
Inventor 梁京沃
Owner 梁京沃
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