Application?of?Grillage?Method?to?Reinforcement?with??the?Section?Changing?Method?for?T.Girder?Bridge

doi:10.3969/j.issn.1674-0696.2009.03.11

Journal of Chongqing Jiaotong University(Natural Science) ›› 2009, Vol. 28 ›› Issue (3): 515-517.DOI: 10.3969/j.issn.1674-0696.2009.03.11

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Application?of?Grillage?Method?to?Reinforcement?with??the?Section?Changing?Method?for?T.Girder?Bridge

Dai Can¹, ZHOU Jian-ting¹, YANG Sheng-chao², NiNG De-biao³

1.?Chongqing?Jiaotong?University,?Chongqing?400074,?China;??2.?Beijing?Municipal?Engineering?Research?Institute,?Beijing?100037,?China;?3.?Highway?Science?＆?Technology?Research?Institute?of?Yunnan?Province,?Yunnan?Kunming?650051,?China

Received:2008-09-17 Revised:2008-12-23 Online:2009-06-15 Published:2015-04-15

梁格法在截面转换加固T型梁桥中的应用

戴灿¹,周建庭¹,杨圣超²,宁德飚³

1.重庆交通大学,重庆400074;2.北京市市政工程研究院,北京100037; 3.云南省公路科学技术研究所,云南昆明650051

作者简介:戴灿(1982—),男,湖南岳阳人,硕士研究生,主要研究方向:桥梁加固与监测。Email:daican@126.com。
基金资助:
国家自然科学基金项目( 50608072)

Abstract

Abstract: Grillage?method?is?an?effective?method?for?spatial?analysis?on?bridge?structure.?According?to?the?principle?of?the?grillage?method,?the?mechanical?behavior?of?reinforcement?with?section?changing?method?for?T-girder?bridge?is?analyzed.?Combining?with?the?specific?engineering?example,?the?contrasting?analysis?is?carried?out?between?the?grillage?method?and?2D?beam?finite?element?method.?The?eontrastive?results?show?that?the?application?of?grillage?method?to?the?reinforcement?with?section?changing?method?for?T-girder?bridge?is?effective.?The?dealing?measures?proposed?are?promising?to?offer?certain?guide?to?the?practice.

Key words: grillage method , section changing , reinforce , T-girder ;

摘要： 在基本原理阐述的基础上,用梁格法分析了截面转换加固T型梁桥的力学性态,并结合具体的实例和常规的平面杆系有限元模型计算分析方法进行了对比。对比结果表明,采用梁格法分析截面转换加固T型梁桥是有效的。该处理方法可望对实践起到一定的指导作用。

关键词: 梁格法, 截面转换, 加固, T型梁

CLC Number:

U445.7

Dai Can, ZHOU Jian-ting, YANG Sheng-chao, NiNG De-biao. Application?of?Grillage?Method?to?Reinforcement?with??the?Section?Changing?Method?for?T.Girder?Bridge[J]. Journal of Chongqing Jiaotong University(Natural Science), 2009, 28(3): 515-517.

戴灿,周建庭,杨圣超,宁德飚. 梁格法在截面转换加固T型梁桥中的应用[J]. 重庆交通大学学报（自然科学版）, 2009, 28(3): 515-517.

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Application?of?Grillage?Method?to?Reinforcement?with??the?Section?Changing?Method?for?T.Girder?Bridge

梁格法在截面转换加固T型梁桥中的应用

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