首页|Construction of an ultra-deep diaphragm wall: a case study

Construction of an ultra-deep diaphragm wall: a case study

扫码查看
原文链接
  • NETL
  • NSTL
  • 万方数据
  • 维普
This paper presents a case study on an ultra-deep diaphragm wall with a depth of 110 m constructed in Ningbo City.The in-situ application shows that using Bauer BC40 cutter machine in conjunction with cutter wheels specified for different strata would be qualified for constructing the 110 m diaphragm wall with high efficiency and precision given that the quality of slurry and poured concrete can be guaranteed.The ground settlement can be effectively controlled by using the overlapping construction method.Sliding failure as a whole characterized by pronounced lateral deformation is likely to occur in the upper muddy clay layer due to its high compressibility and sensitivity.In contrast,local collapse of trench walls tends to happen in the sandy silt strata.Furthermore,careful attention should be paid to sandy silt during the entire construction period as the vertical displacement of the sandy silt continues to develop even after concrete pouring.

diaphragm wallsoft soilquality controlsettlementoverlapping methodtrench cutter BC40

SUN Jie、ZHANG Zi-xin、HUANG Xin、JU Xin

展开 >

Department of Geotechnical Engineering, Tongji University, Shanghai 200092, P.R.China

Key Laboratory of Geotechnical and Underground Engineering of the Ministry of Education, Tongji University, Shanghai 200092, P.R.China

Funded by the National Basic Research Program of China (973 Program)National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaState Key Laboratory for Geomechanics and Deep Underground Engineeringfunding provided by Zhuhai Da Heng Qin Company Limited

2014CB0469054117224951509186SKLGDUEK1303SG25-2014-173B1

2018

10.11835/j.issn.1671-8224.2018.01.01

重庆大学学报(英文版)
重庆大学

重庆大学学报(英文版)

影响因子：0.02
ISSN：1671-8224
年,卷(期)：2018.17(1)
  • 1
  • 1