局部因子与非线性地基-结构相互作用

IF 0.3 Q4 ENGINEERING, GEOLOGICAL Geotechnical Engineering Pub Date : 2003-01-01 DOI:10.1680/GENG.2003.156.1.35
S. Lo
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引用次数: 1

摘要

通过一些历史实例,研究了部分因子在非线性地基-结构相互作用中的应用所面临的挑战。对于一些非线性地基-结构相互作用体系,在使用状态下计算其运动时岩土强度参数的选择是很重要的,但也存在一些问题。在结构强度设计的作用效应计算中,局部因子的应用需要模拟岩土和结构两种失稳模式的触发或路径。为避免不一致,作为相互作用系统一部分的土体自重的偏因子需要统一设置。对于一些复杂的土-结构相互作用体系,结构单元的设计作用取决于所检测的潜在破坏模式。
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Partial factors and non-linear ground–structure interaction
Challenges associated with the application of partial factors to non-linear ground–structure interaction were studied for some case history examples. For some nonlinear ground–structure interaction systems, the selection of geotechnical strength parameters for calculating the movement at service condition can be important but problematic. In the calculation of action effects for structural strength design, the application of partial factors needs to simulate the trigger or path to various modes of instability, both geotechnical and structural. To avoid inconsistency, the partial factor for the self-weight of soil that is part of the interaction system needs to be set at unity. For some complex soil–structure interaction systems, the design action effects on a structural element depend on the potential failure mode examined.
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来源期刊
Geotechnical Engineering
Geotechnical Engineering ENGINEERING, GEOLOGICAL-
CiteScore
0.50
自引率
0.00%
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0
期刊介绍: The objectives of the Association shall be the promotion of co-operation among geotechnical societies in SE Asia; and the assistance to member societies who have limited number of members. Now there is only one combined web titled: AGSSEA-SEAGS. SEAGS & AGSSEA encourage the submission of scholarly and practice-oriented articles to its journal. The journal is published quarterly. Both sponsors of the journal, the Southeast Asian Geotechnical Society and the Association of Geotechnical Societies in Southeast Asia, promote the ideals and goals of the International Society of Soil Mechanics and Geotechhnical Engineering in fostering communications, developing insights and enabling the advancement of the geotechnical engineering discipline.
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