[1]张鸿,郑和晖,王敏.节段预制拼装波形钢腹板组合箱梁桥横向受力性能试验研究[J].东南大学学报(自然科学版),2016,46(5):1070-1075.[doi:10.3969/j.issn.1001-0505.2016.05.029]
 Zhang Hong,Zheng Hehui,Wang Min.Experimental study on transverse mechanical behavior of precast segmental composite box girder bridge with corrugated steel webs[J].Journal of Southeast University (Natural Science Edition),2016,46(5):1070-1075.[doi:10.3969/j.issn.1001-0505.2016.05.029]
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节段预制拼装波形钢腹板组合箱梁桥横向受力性能试验研究()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
46
期数:
2016年第5期
页码:
1070-1075
栏目:
交通运输工程
出版日期:
2016-09-20

文章信息/Info

Title:
Experimental study on transverse mechanical behavior of precast segmental composite box girder bridge with corrugated steel webs
作者:
张鸿1郑和晖2王敏2
1中交第二航务工程局有限公司, 武汉430040; 2长大桥梁建设施工技术交通行业重点实验室, 武汉 430040
Author(s):
Zhang Hong1 Zheng Hehui2 Wang Min2
1CCCC Second Harbour Engineering Co., Ltd., Wuhan 430040, China
2Key Laboratory of Large-Span Bridge Construction Technology of Ministry of Communication, Wuhan 430040, China
关键词:
波形钢腹板 组合箱梁 短线匹配预制 横向受力性能 足尺模型
Keywords:
corrugated steel web composite box girder short-line match casting transverse mechanical behavior full-scale model
分类号:
U448.36
DOI:
10.3969/j.issn.1001-0505.2016.05.029
摘要:
为研究波形钢腹板组合箱梁桥横向受力特性及其对节段预制拼装工艺的影响,设计并匹配制造了2榀足尺模型节段梁,对试验梁施工全过程桥面板变形进行了测试,并进行了静力加载试验,研究了桥面板合理的数值分析方法.结果表明:波形钢腹板组合箱梁能满足节段双层存放、吊装运输等工序的横向受力要求,但在短线匹配预制过程中需采取措施控制桥面板变形;运营期组合箱梁横向受力足够安全,当加载至1.3~2.5倍车辆荷载设计值时,桥面板出现初始弯曲裂缝;由考虑钢混连接件的实体元模型计算所得的桥面板变形值与实测值吻合较好;简化平面框架模型则在横向内力计算方面具有足够精度,可用以指导桥面板设计.
Abstract:
To study the transverse mechanical behavior of the box girder bridge with corrugated steel webs and its influence on precast segment assembling process technology, two full-scale segmental models for the girder were designed and assembled. The deformation of the bridge deck in the whole construction process was tested. The static-loading experiments were carried out. And the reasonable numerical analysis method for the deck was put forward. The results show that the composite box girder with corrugated steel webs can meet the transverse mechanical requirements in construction process such as double store and lifting transportation, but it is necessary to control the deformation of the deck during short-line match casting. In the operation period, the composite box girder has enough transverse mechanical safety. When the loading is up to 1.3 to 2.5 times the design value of vehicle, the initial bending cracks occurs in the deck. The numerical results by the finite element analysis(FEA)model considering the connector on the deformation of deck agree well with the experimental data. The plane-frame simplified model has sufficient accuracy for transverse internal force calculation and can be used for the guide of deck-design.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2016-02-26.
作者简介: 张鸿(1962—),男,博士,教授级高级工程师, ming040416@163.com.
基金项目: 交通运输部应用基础研究资助项目(201431949A230).
引用本文: 张鸿,郑和晖,王敏.节段预制拼装波形钢腹板组合箱梁桥横向受力性能试验研究[J].东南大学学报(自然科学版),2016,46(5):1070-1075. DOI:10.3969/j.issn.1001-0505.2016.05.029.
更新日期/Last Update: 2016-09-20