| 随机反复荷载下钢筋混凝土受弯构件变形的计算及可靠度分析 |
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| 引用本文： | 贡金鑫,赵尚传,赵国藩.随机反复荷载下钢筋混凝土受弯构件变形的计算及可靠度分析[J].工业建筑,2002,32(2):24-27. |
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| 作者姓名： | 贡金鑫 赵尚传 赵国藩 |
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| 作者单位： | 大连理工大学,土木工程系,大连,116023 |
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| 基金项目： | 国家自然科学基金 ( 5 98780 0 8)，中国博士后科学基金资助项目 |
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| 摘 要： | 对于承受反复荷载作用的钢筋混凝土受弯构件 ,设计中除要考虑产生的瞬时变形外 ,还要考虑产生的疲劳残余变形。介绍了随机反复荷载作用下钢筋混凝土受弯构件长期变形的计算和可靠度分析方法 ,并以一吊车梁为例进行了分析和计算
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| 关 键 词： | 钢筋混凝土结构 反复荷载 疲劳 变形 |
| 修稿时间： | 2001年1月21日 |
PREDICATION AND RELIABILITY ANALYSIS OF LONG-TERM DEFORMATION OF REINFORCED CONCRETE BENDING MEMBERS SUBJECTED TO RANDOM REPEATED LOAD |
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| Gong Jinxin\ Zhao shangchuan\ Zhao Guofan.PREDICATION AND RELIABILITY ANALYSIS OF LONG-TERM DEFORMATION OF REINFORCED CONCRETE BENDING MEMBERS SUBJECTED TO RANDOM REPEATED LOAD[J].Industrial Construction,2002,32(2):24-27. |
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| Authors: | Gong Jinxin\ Zhao shangchuan\ Zhao Guofan |
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| Abstract: | In addition to the instantaneous deformation,there exists an accumulated permanent deformation for reinforced concerete bending element subjected to repeated load,which results in a larger long\|term deformation and should be taken into account in the design.Approaches for predicating the long\|term deformation of the element subjected to random repeated load and analyzing its reliability are proposed and an illustration example of a creane beam is presented. |
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| Keywords: | reinforced concrete structures\ repeated load\ fatigue\ deformation |
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