Rapid construction method for large-diameter pile foundation in deepwater karst area

The invention relates to the field of pile foundation construction, in particular to a rapid construction method for a large-diameter pile foundation in a deepwater karst area. A rotary excavating drill bit assembly is composed of a first drill bit body, a second drill bit body and a rotary connecti...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	JIAO GUOCHEN, AI XIA, LU YIYUN, GAO GUILIN, CHANG SHIMIN, WANG FULIN, PAN JIANFENG, ZENG BICONG, CHEN CHAOFAN, CUI BINBIN, LI RUI, GONG MING, JIANG TINGQIU, XIONG PENGBO, HONG ZESHUI, YANG LIN, DU WEIHUANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DREDGING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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