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Title:
METHOD FOR ALTERNATELY CONSTRUCTING UNDERGROUND VERTICAL MEMBERS USING TOP-DOWN CONSTRUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2020/262735
Kind Code:
A1
Abstract:
The present invention is intended to shorten a period of underground frame construction in a top-down method for basement level construction, and provides a construction 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 is characterized by comprising: a first step for excavating a first basement level and constructing a floor of a first level after installing an earth retaining wall and constructing an underground pillar post; a second step for first constructing a core part of one basement level in order to support a core part of above-ground levels which is constructed upwards while constructing a slab of a basement level down to the level below; a third step for alternately constructing underground vertical members downward; and a step for simultaneously constructing the underground vertical members of the remaining levels 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.

Inventors:
YANG, Kyeongok (KR)
Application Number:
KR2019/007842
Publication Date:
December 30, 2020
Filing Date:
June 27, 2019
Export Citation:
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Assignee:
YANG, Kyeongok (KR)
International Classes:
E02D29/055
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