| 沉入式圆筒结构与土相互作用的模式及位移计算方法 |
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| 引用本文： | 王元战,迟丽华. 沉入式圆筒结构与土相互作用的模式及位移计算方法[J]. 土木工程学报, 1997, 0(2) |
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| 作者姓名： | 王元战 迟丽华 |
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| 作者单位： | 天津大学(王元战)，天津大学(迟丽华) |
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| 基金项目： | 国家自然科学基金资助项目 |
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| 摘 要： | 本文提出了沉入式无底大直径圆筒结构筒体与土协同工作的一种分析模型.该模型假设土体中任一点对筒壁竖向位移的剪切变形刚度系数与该点的土下深度和筒体水平位移成正比.在这一假设下得到的求解筒体位移的平衡方程为—非线性方程组,为此建立了求解这一方程组的迭代算法,并用模型试验结果对该模型及其计算方法进行了检验.
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| 关 键 词： | 沉入式圆筒 相互作用模型 迭代算法 |
LARGE BURIED CYLINDER-SOIL INTERACTION AND APPROACH TO DISPLACEMENT CALCULATION |
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| Wang Yuanzhan Chi Lihua. LARGE BURIED CYLINDER-SOIL INTERACTION AND APPROACH TO DISPLACEMENT CALCULATION[J]. China Civil Engineering Journal, 1997, 0(2) |
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| Authors: | Wang Yuanzhan Chi Lihua |
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| Affiliation: | Tianjin University |
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| Abstract: | A model for analyzing large buried cylinder-soil interaction is presented. It is assumed that the stiffness coefficent of vertical shear deformation of soil at a point on the cylinder surface is proportional to the depth of the point under the ground surface and the horizontal displacement of the cylinder. Thus, the equations of equilibrium for solving the displacements are nonlinear. An iterative approach to solve the equations is developed in the paper, and is verified by model tests. |
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| Keywords: | large buried cylinder interaction model iterative approach |
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