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Bearing capacity of foundation on slope determined by energy dissipation method and model experiments
  • ISSN号:1000-4750
  • 期刊名称:《工程力学》
  • 时间:0
  • 分类:P58[天文地球—岩石学;天文地球—地质学]
  • 作者机构:[1]School of Civil and Architectural Engineering, Central South University, Changsha 410075, China
  • 相关基金:Project(50408020) supported by the National Natural Science Foundation of China; project(05-0686) supported by the Program of New Century Excellent Talents in University; project(200550) supported by the Foundation for the Author of National Excellent Doctoral Dissertation of China
中文摘要:

在在实践泼出 groundsurface 上决定基础的最终的适用能力,精力驱散方法被用来提出适用的能力 asprogramming 问题,和照原尺寸的模型实验被调查分析土壤斜坡在实验室由长带地位装载了的 performanceof。土壤失败被一个 linearMohr 库仑收益标准管理,并且土壤变丑遵循一条联系流动规则。基于塑料力学的 theenergy 驱散方法,多楔获得与结合有关的三个适用的能力因素的翻译失败机制 wasemployed,相等的超载 loadand 为各种各样的斜坡倾斜角度的联合起来的严肃。数字结果是用模型实验的有限元素方法和那些的出版答案的比较 withthose。Thebearing 能力因素为实际使用 inengineering 在设计图表形式被介绍。限制分析答案模型测试接近到那些的结果表演, andthat 精力驱散 niethod 是有效的估计忍受土壤的能力斜坡。

英文摘要:

To determine the ultimate bearing capacity of foundations on sloping ground surface in practice, energy dissipation method was used to formulate the beating capacity as programming problem, and full-scale model experiments were investigated to analyze the performance of the soil slopes loaded by a strip footing in laboratory. The soil failure is governed by a linear Mohr-Coulomb yield criterion, and soil deformation follows an associated flow rule. Based on the energy dissipation method of plastic mechanics, a multi-wedge translational failure mechanism was employed to obtain the three bearing capacity factors related to cohesion, equivalent surcharge load and the unit gravity for various slope inclination angles. Numerical results were compared with those of the published solutions using finite element method and those of model experiments. The bearing capacity factors were presented in the form of design charts for practical use in engineering. The results show that limit analysis solutions approximate to those of model tests, and that the energy dissipation method is effective to estimate bearing capacity of soil slope.

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期刊信息
  • 《工程力学》
  • 中国科技核心期刊
  • 主管单位:中国科学技术协会
  • 主办单位:中国力学学会
  • 主编:袁驷
  • 地址:北京清华大学新水利馆114号
  • 邮编:100084
  • 邮箱:gclxbjb@tsinghuae.du.cn
  • 电话:010-62788648
  • 国际标准刊号:ISSN:1000-4750
  • 国内统一刊号:ISSN:11-2595/O3
  • 邮发代号:82-862
  • 获奖情况:
  • 1999年获在物理、力学类刊物中影响因子位居第二(0...
  • 国内外数据库收录:
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  • 被引量:32789