Reasonably?Simplified?Calculation?Model?of?Integral?Simple?Supported?Slab??Bridge?with?Large?Width-Span?Ratio

doi:10.3969/j.issn.1674-0696.2009.06.04

Journal of Chongqing Jiaotong University(Natural Science) ›› 2009, Vol. 28 ›› Issue (6): 991-994.DOI: 10.3969/j.issn.1674-0696.2009.06.04

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Reasonably?Simplified?Calculation?Model?of?Integral?Simple?Supported?Slab??Bridge?with?Large?Width-Span?Ratio

ZHOU Jian-ting, LAN Yong, YUAN Rui, PAN Dong-hong, DENG Zhi

Chongqing?Jiaotong?University,?Chongqing?400074,?China

Received:2009-03-17 Online:2009-12-15 Published:2015-04-15

大宽跨比整体简支板桥合理简化计算模式探讨

周建庭,蓝??勇,袁??瑞,潘东宏,邓??智

重庆交通大学,重庆400074

作者简介:周建庭(1972—),男,浙江金华人,教授,博士生导师,主要研究方向为桥梁加固与远程监测、安全评价。E-mail:jt-zhou@163.com

Abstract

Abstract: Aiming?at?the?integral?simple?supported?slab?bridge?with?large?width-span?ratio,?the?approximation?and?limitation?of?the?calculation?principle?of?transverse?distribution?commonly?used?nowadays?are?analyzed.?Three?bridges?with?different?width-span?ratio?are?selected,and?five?kinds?of?ANSYS?finite?element?entity?models?are?established?according?to?different?deck-load?conditions.?A?reasonably?simplified?calculation?model?of?internal?force?of?integral?simple?supported?slab?is?put?forward?by?analyzing?the?difference?between?the?results?got?by?model?and?those?got?by?transverse?distribution?calculation?method.

Key words: integral slab , finite element method , transverse distribution , simplified calculation

摘要： 针对宽跨比较大的整体简支板桥,分析现今常用横向分布计算方法原理的近似与局限。选取3组不同宽跨比桥梁,依不同桥面布载分5种工况建立ANSYS有限元实体模型。分析模型数据与常用横向分布计算方法之间的结果差异,提出了一套适用于整体板桥的内力简化计算模式。

关键词: 整体板, 有限元法, 横向分布, 简化计算

CLC Number:

U443.35

ZHOU Jian-ting, LAN Yong, YUAN Rui, PAN Dong-hong, DENG Zhi. Reasonably?Simplified?Calculation?Model?of?Integral?Simple?Supported?Slab??Bridge?with?Large?Width-Span?Ratio[J]. Journal of Chongqing Jiaotong University(Natural Science), 2009, 28(6): 991-994.

周建庭,蓝??勇,袁??瑞,潘东宏,邓??智. 大宽跨比整体简支板桥合理简化计算模式探讨[J]. 重庆交通大学学报（自然科学版）, 2009, 28(6): 991-994.

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Reasonably?Simplified?Calculation?Model?of?Integral?Simple?Supported?Slab??Bridge?with?Large?Width-Span?Ratio

大宽跨比整体简支板桥合理简化计算模式探讨

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