Results 11 to 20 of about 8,075 (231)
Experimental Study on Reasonable Steam Curing Scheme of Prefabrication Box Girder
The assembly-line production mode was adopted to meet the production demands of prefabricated box girders for the Haiyan line. The steam curing method was introduced to accelerate concrete strength development, allowing the prestressing tension ...
Changpo Li, Chaoyu Zhu
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The composite box girder with corrugated web and steel bottom plate (CW-SBS) is a kind of improved steel-concrete structures. The design of CW-SBS box girders needs the accurate method to calculate the working response and accordion effect in ...
Ya-Nan Gan, Zi-Chen Zhang, Gen-Hui Wang
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Steel bottom plates are applied as replacements for the concrete bottom plates in order to reduce the dead weight of the composite box girders with corrugated steel webs and steel bottom plates (CSWSB).
Chi Ma +3 more
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The excessive deflection of large-span cantilever cast prestressed concrete (LCCPC) box girders has always been a complex problem to be solved in bridge engineering.
Jie Liu +3 more
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Research Status of Structural Optimization Design, Materials, and Prestressing Techniques for PC Small Box Beams: A Review of Research Progress [PDF]
Based on recent research findings and an analysis of the literature on Precast concrete (PC) small box girders, this paper presents a systematic discussion of the optimization design, materials, and prestressing techniques for PC small box girder ...
Fangyuan Li, Luda Li
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Study on the Dynamic Response of Composite Box Girder Bridges with Corrugated Steel Webs
To more accurately consider the dynamic response of composite box girder bridges with corrugated steel webs under the effect of live loads, based on the theory of vehicle-bridge coupled vibration, a refined finite element model of vehicle-bridge coupled ...
Ya-Na Mao +3 more
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This paper investigates structural performance of five reinforcement concrete (RC) box-girders under a combination loading of bending, shear and torsion, applying the structural stressing state theory.
Hengheng Xiao +4 more
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Since the bridges are subjected to complex environmental effects for a long period, it is important to have an accurate evaluation of vertical temperature gradient in box-girders for the assessment of the ambient thermal actions on the structure itself ...
Xingwang Sheng +4 more
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Fast 3D Pose Estimation Method for High Speed GMAW of Large Box Girders
In the process of high speed gas metal arc welding (GMAW), large box girder has many complex working conditions, such as positioning weld, low assembly accuracy, difficulty in strictly ensuring the pose of workpiece through tooling, real-time change of ...
LI Gaoyang, JIA Aiting, HONG Bo, LI Xiangwen, GAO Jiapeng
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A new procedure for load-shortening and -elongation data for progressive collapse method
Progressive Collapse Method (PCM) has been broadly applied to predict moment-carrying capacity of a hull girder, however accuracy of PCM has not been much studied.
Jonathan Downes +3 more
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