Chapter
Jul 21, 2016
Effectiveness of Buttress and Cross-Wall in Deep Excavations
Authors: Shong-Loong Chen [email protected], Cheng-Tao Ho [email protected], Chia-Yu Yeh [email protected], and Meen-Wah Gui, M.ASCE [email protected]Author Affiliations
Publication: Geo-China 2016
Abstract
Buttress and cross-wall have been widely adopted with success in soft ground excavation work. The interaction between the soil, buttress/cross-wall and diaphragm wall is a three dimensional (3D) problem but in practice the problem is commonly simplified into a two-dimensional problem. This study compared the contribution of buttress and cross-wall on the displacement of diaphragm wall via a series of 3D finite element (FE) analysis. The numerical procedure was first calibrated against the field data obtained from a 16 m deep excavation project in Taipei City. The model was then used in the subsequent parametric study to evaluate the efficiency of buttress and cross-wall for a diaphragm wall supported excavation. Result showed that cross-wall and buttress were equally efficient in restraining the lateral displacement of diaphragm wall.
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Published In
Geo-China 2016
Pages: 267 - 275
Copyright
© 2016 American Society of Civil Engineers.
History
Published online: Jul 21, 2016
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Authors
Affiliations
Professor, Dept. of Civil Engineering, Taipei Tech, No 1, Sec 3, ZhongXiao E Rd., Taipei 10608, Taiwan. E-mail: [email protected]
Senior Engineer, Chao-Wei Engineering Consultant, 5F, No 185, Sec 1, DunHua S Rd., Taipei 106, Taiwan. E-mail: [email protected]
Graduate Student, Dept. of Civil Engineering, Taipei Tech, No 1, Sec 3, ZhongXiao E Rd., Taipei 10608, Taiwan. E-mail: [email protected]
Professor, Dept. of Civil Engineering, Taipei Tech, No 1, Sec 3, ZhongXiao E Rd., Taipei 10608, Taiwan. E-mail: [email protected]
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.