NDLI: Application of new Top-Down method in deep foundation

Content Provider	IEEE Xplore Digital Library
Author	Jiao Ling
Copyright Year	2011
Description	Author affiliation: School of Urban and Environment, Xuchang University, Xuchang Henan China (Jiao Ling)
Abstract	Aiming at deficiency of cost higher in large area, and deep foundation pit excavation with conventional Top-Down method, A new Top-Down excavation method was introduced based on the general top-down excavation method. The key design techniques of the new Top-Down method include: using the temporary fender cast-in-place piles as exterior-protected construction in top-down excavation process; substituting level bracing system by basement slabs; combining the vertical structural supporting column with the temporary vertical shoring etc. A series of new techniques, including the profiled bar — concrete controlled bracing system, substituting level bracing system by variable level basement roof slap, several large diameter rings bracing on complex boundary condition, the top-down method of podium and the down-up method of turret etc. were first introduced and practiced in excavation engineering. It is shown that the new top-down method have good economic and social benefits. The method provides a new excavation engineering design choice for the similar pits, and the technology will be modified and improved in the future excavation design applications.
Starting Page	2970
Ending Page	2973
File Size	401027
Page Count	4
File Format	PDF
ISBN	9781612844589
e-ISBN	9781612844596
DOI	10.1109/CECNET.2011.5769455
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-04-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Profiled bar-concrete controlled bracing system New Top-Down method Design methodology Buildings Deep foundation Soil Control systems Rocks Substituting level bracing system by basement slab Slabs Monitoring
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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