| 三峡厂房坝段引水管道孔口配筋三维非线性分析 |
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| 引用本文： | 彭宣茂,傅作新,钱向东.三峡厂房坝段引水管道孔口配筋三维非线性分析[J].水力发电,2001(4):15-18. |
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| 作者姓名： | 彭宣茂 傅作新 钱向东 |
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| 作者单位： | 河海大学工程力学研究所, |
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| 基金项目： | 三峡枢纽工程大坝专题［ZF-95(Ⅰ)-14］ |
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| 摘 要： | 采用三维非线性有限元分析方法，考虑钢筋和混凝土的联合作用，对三峡厂房坝段引水管道孔口配筋方案进行计算研究，求出了设计工况下引水管道孔口周围混凝土和钢筋的开裂和屈服范围。通过逐加大孔内水压力强度，求得钢筋应力达到屈服时的内水压力超载系数，用以估计厂房坝段孔口配筋后的强度安全度。
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| 关 键 词： | 厂房坝段 孔口配筋 三维非线性分析 三峡工程 引水管道 |
| 文章编号： | 0559-9342(2001)04-0015-04 |
| 修稿时间： | 2000年7月4日 |
Three-dimensional
non-linear analysis on the reinforcement in the opening of diversion pipe in the dam
section of power house of Three Gorges Project |
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| PENG Xuanmao,FU Zuoxin,QIAN Xiangdong.Three-dimensional
non-linear analysis on the reinforcement in the opening of diversion pipe in the dam
section of power house of Three Gorges Project[J].Water Power,2001(4):15-18. |
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| Authors: | PENG Xuanmao FU Zuoxin QIAN Xiangdong |
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| Affiliation: | Hehai University |
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| Abstract: | The reinforcement arrangement in the opening of diversion pipe in the powerhouse dam section of Three Gorges Project was calculated and studied by using the three dimensional non linear finite analysis method and taking the joint action of steel bar and concrete into account. The scope of crack and yielding of concrete and steel bar in the surrounding of the opening of diversion pipe under the design working conditions was got. Through increasing gradually the water pressure in the opening, the overload coefficient of internal water pressure was got when the stresses of steel bar reaches yielding limit, in order to assess the safety degree of the strength of the opening of powerhouse dam section after reinforcement. |
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| Keywords: | powerhouse dam section opening reinforcement three dimensional non linear analysis Three Gorges Project |
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