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孔钻孔

孔钻孔

孔钻孔

孔钻孔

1

Time effect of wet drilling pile is investigated through the static load experiment on pile No. 22 of Guanhe Bridge .

通过灌河大桥 22 号试桩的静载试验，研究了湿作业成孔钻孔灌注桩的时间效应。

2

The determination of in-situ stress from wellbore breakouts in the main borehole of the Chinese Continental Scientific Drilling

中国大陆科学钻探主孔钻孔崩落与现场应力状态的确定

3

The Shallow Discussion About the Construction Craft of the Bore Prime Stake in the Super Deep Bore

浅议超深孔钻孔灌注桩施工工艺

4

Analysis of construction technique of deep secant piles

深孔钻孔咬合桩施工技术分析

5

Measures prevent deviation of deep drilling and test method

防治深孔钻孔偏孔及检测方法

6

Large Diameter Bored Pile Drilling Tech. In Donghai Bridge

东海大桥大口径深孔钻孔灌注桩成孔技术

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