CONSTRUCTION OF COMPOSITE BOX-GIRDER BRIDGE BY INCREMENTAL LAUNCHING THE CORRUGATED STEEL WEBS

被引：0

作者：

He, Jun ^{[1
]}

Liu, Yuqing ^{[1
]}

Chen, Airong ^{[1
]}

Lu, Shaohong ^{[2
]}

机构：

[1] Tongji Univ, Dept Bridge Engn, Shanghai 200092, Peoples R China

[2] Guangdong Highway Design Inst Co Ltd, Guangzhou 510507, Guangdong, Peoples R China

来源：

INNOVATION & SUSTAINABILITY OF STRUCTURES, VOLS 1 AND 2 | 2011年

关键词：

prestressed concrete box girder; corrugated steel web; incremental launching; nose optimization; construction stage analysis;

D O I：

暂无

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Prestressed concrete girder with corrugated steel webs (PCGCSW) have excellent properties, such as lightness of girders, efficiency of introducing prestress forces, short construction period, optimum force distribution, good seismic performance, and aesthetics appearance. etc, which have greatly promoted the application of such bridges. A construction method of PCGCSW by incremental launching the corrugated steel webs as nose was proposed to shorten construction period, reduce construction frameworks, and enhance the economic benefit. To verify the construction safety, this investigation focuses on optimization of the length and stiffness of launching nose, detailed construction stage analysis, the moment and deflection variation during launching process. The results revealed essential design issues should be considered when constructing PCGCSW using incremental launching method.

引用

页码：881 / 887

页数：7

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