| 提高超静定桁架承载能力的杆长调整法 |
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| 引用本文： | 隋允康,邵建义. 提高超静定桁架承载能力的杆长调整法[J]. 应用数学和力学, 2002, 23(3): 269-272 |
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| 作者姓名： | 隋允康 邵建义 |
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| 作者单位： | 1.北京工业大学, 机电学院, 北京, 100022; |
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| 基金项目： | 北京市教委资助课题 (99JG_11)，国家自然科学基金委资助项目 (10 0 72 0 0 5 )，北京市自然科学基金委资助的课题 (30 0 2 0 0 2 ) |
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| 摘 要： | 基于超静定桁架的内力分布特点,调整杆长改变单元应力,使结构承载能力得到提高,通过几个例题验证了方法的有效性。
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| 关 键 词： | 超静定桁架 杆长调整 良性工作状态 优化设计 优化建造 |
| 文章编号： | 1000-0887(2002)03-0269-04 |
| 收稿时间： | 2000-05-26 |
| 修稿时间： | 2000-05-26 |
A Method of Adjusting Bar-Iength of Statically Indeterminate Truss for Increasing Its Load Capacity |
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| SUI Yun-kang ,SHAO Jian-yi. A Method of Adjusting Bar-Iength of Statically Indeterminate Truss for Increasing Its Load Capacity[J]. Applied Mathematics and Mechanics, 2002, 23(3): 269-272 |
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| Authors: | SUI Yun-kang SHAO Jian-yi |
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| Affiliation: | 1.College of Mechanical Engineering and Applied Electronic Technique, Beijing Polytechnic University, Beijing 100022, P R China;2.Department of Engineering Mechanics, Dalian University of Technology, Dalian 116023, P R China |
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| Abstract: | Based on the character of the internal force distribution of the statically indeterminate truss, the elements stresses were changed by adjusting the length of bars to increase load capacity of structure. The efficiency of the method is illustrated by several examples. |
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| Keywords: | statically indeterminate truss adjusting bar-length good working state optimum design optimum construction |
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