Chapter
Nov 12, 2013
Effect of Shoulder Cracks on Shoulder's Mechanical Behavior for CRTS III Slab Track
Authors: Heshan Huang [email protected], Juanjuan Ren [email protected], Sifang Zhang [email protected], and Zheng Yang [email protected]Author Affiliations
Publication: ICTE 2013: Safety, Speediness, Intelligence, Low-Carbon, Innovation
Abstract
Taking CRTS III slab track rail-support bed as an example and according to the relative analysis between field test and simulation model, the changes of bearing capacity of rail-support bed under different crack forms can be got. According to the results, different crack forms would affect the rail-support bed's bearing capacity. If the crack's developing direction is vertical to the stress surface, the bearing capacity is the smallest, thus the most possible crack developing direction is vertical to the stress surface; when the crack is developing vertical to the stress surface, shoulder's loading capacity shows little relevance to crack depth, the bearing capacity is about 8t. Field test results are similar to the simulation computing results.
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© 2013 American Society of Civil Engineers.
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Published online: Nov 12, 2013
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MOE Key Laboratory of High-Speed Railway Engineering, Southwest Jiaotong University, Chengdu 610031, China. E-mail: [email protected]
MOE Key Laboratory of High-Speed Railway Engineering, Southwest Jiaotong University, Chengdu 610031, China. E-mail: [email protected]
MOE Key Laboratory of High-Speed Railway Engineering, Southwest Jiaotong University, Chengdu 610031, China. E-mail: [email protected]
MOE Key Laboratory of High-Speed Railway Engineering, Southwest Jiaotong University, Chengdu 610031, China. E-mail: [email protected]
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