| 沉管隧道结构的空间受力性态分析 |
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| 引用本文： | 陈清军,朱合华,李形,晏浩,赵云峰,姜文辉.沉管隧道结构的空间受力性态分析[J].上海力学,2000,21(2):237-242. |
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| 作者姓名： | 陈清军 朱合华 李形 晏浩 赵云峰 姜文辉 |
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| 作者单位： | [1]同济大学结构工程与防灾研究所 [2]同济大学地下建筑与工程系 |
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| 基金项目： | 国家自然科学基金资助项目(59823002，49804002)和上海市科委鉴定项目 |
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| 摘 要： | 目前沉管隧道的结构设计计算大我和一维弹性地基梁模型，或在此基础上再取若干个横截面进行平面分析。本文以甬江水底沉管隧道为工程背景，采用墙单元和板壳单元建立沉和结构的三维有限元分析模型，用水土分算原理确定沉管结构的水土荷载，对沉管隧道结构水土荷载的空间分布及沉管结构的空间受力性态进行了数值计算与分析，探讨了水位对沉管结构水土荷载值的影响以及沉管板底与基础的部分脱空和沉管顶部覆土厚度等因素对沉管结构内力
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| 关 键 词： | 三维有限元模型 空间受力性态 沉管随道结构 |
| 修稿时间： | 1999年9月17日 |
The 3D Internal Force Analysis of Immersed Tunnel Structure |
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| CHEN Qing-jun,ZHU He-hua,LI Tong,YAN Hao,ZHAO Yun-feng,JIANG Wen-hui.The 3D Internal Force Analysis of Immersed Tunnel Structure[J].Chinese Quarterly Mechanics,2000,21(2):237-242. |
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| Authors: | CHEN Qing-jun ZHU He-hua LI Tong YAN Hao ZHAO Yun-feng JIANG Wen-hui |
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| Abstract: | In this paper, The 3D internal force analysis of the Yongjiang immersed tunnel structure is investigated by using the finite element procedure in which the shear wall elements and plate - shell elements are used. The water -soil load on the immersed tunnel is calculated by using the principle of the separate calculation for water pressure and soil pressure. The effects of bottom plate and foundation separations and covered soils up the immersed tunnel are discussed. The designing computation model and working management measure for the yongjiang immersed tunnel are also suggested. |
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| Keywords: | immersed tunnel structure FEM 3D internal force analysis |
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