Trenching Construction Technology of Underground Diaphragm Wall by YCJF-20 Percussive and Reverse Circulation Rig

Home > Archive>Volume 45, Issue 11, 2018 >65-68

Trenching Construction Technology of Underground Diaphragm Wall by YCJF-20 Percussive and Reverse Circulation Rig
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                        YANG Dong-heYANG Dong-he
No.1 Institute of Geology and Mineral Resources of Shandong province
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LIU KeLIU Ke
No.1 Institute of Geology and Mineral Resources of Shandong Province
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XIA Xiao-xingXIA Xiao-xing
No.1 Institute of Geology and Mineral Resources of Shandong Province
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WANG Guo-weiWANG Guo-wei
No.1 Institute of Geology and Mineral Resources of Shandong Province
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ZHANG Yong-chunZHANG Yong-chun
No.1 Institute of Geology and Mineral Resources of Shandong Province
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LI Shao-linLI Shao-lin
No.1 Institute of Geology and Mineral Resources of Shandong Province
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Affiliation:No.1 Institute of Geology and Mineral Resources of Shandong province,No.1 Institute of Geology and Mineral Resources of Shandong Province,No.1 Institute of Geology and Mineral Resources of Shandong Province,No.1 Institute of Geology and Mineral Resources of Shandong Province,No.1 Institute of Geology and Mineral Resources of Shandong Province,No.1 Institute of Geology and Mineral Resources of Shandong Province
Clc Number:TU476 .3;P634.3 1
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Abstract:

The trenching construction is an important process for underground diaphragm wall, YCJF20 percussive and reverse circulation rig is used in trenching construction of underground diaphragm wall in a station of Xiamen metro line 3. This paper introduces YCJF20 rig about its main technical parameters, characteristics and working principles, as well as the construction process of guide wall and guide hole, drilling rig layout, mud preparation and trenching by percussive drilling.

Key words:underground diaphragm wall; YCJF20 percussive and reverse circulation rig; percussive boring; trenching construction; special hammer

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History

Received:May 25,2018
Revised:August 17,2018
Adopted:August 09,2018
Online: November 19,2018
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