23-06-2023 дата публикации
Номер: CN116291226A
Автор:
LIU WEI,
HU FENG,
CHENG ENFENG,
YANG SHUAI,
LU KAI,
YANG GUANGTING,
DUAN JIWEI,
CUI YANJI,
WEN XIAOKANG,
WANG MINMIN,
GAI ZHONG,
WEI ZIYU,
LI JIANWEI,
JIANG YANGFAN,
XIE ZIJIE,
CHEN LING
Принадлежит:
The invention provides a method for excavating a deep foundation pit through combination of a movable platform and a temporary structure, and belongs to the field of building construction. According to the technical scheme, the excavation method comprises the following steps that S1, before excavation, a dewatering well needs to be excavated for dewatering, S2, mounting frames are mounted at the end of a pile foundation steel casing, the distance between the lowest positions of the mounting frames and the top face of the steel casing is 1.25 m, S3, prefabricated steel-encased concrete beams are placed on the two sides of the adjacent mounting frames, a plurality of adjacent steel-encased concrete beams form connecting beams, and the connecting beams are connected with the pile foundation steel casing. And S4, the rotary drilling rig excavates earthwork around the platform on the working platform, the working platform and the rotary drilling rig form a support, after excavation of the earthwork ...
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