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http://dx.doi.org/10.12652/Ksce.2011.31.6A.435

Applicability Verification of High-strength Parallel Wire Strands by Tensile Tests  

Yoo, Hoon (현대건설 연구개발실)
Seo, Ju-Won (현대건설 연구개발실)
Lee, Sung-Hyung (현대건설 연구개발실)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.31, no.6A, 2011 , pp. 435-447 More about this Journal
Abstract
This paper discusses the problems in application of a parallel wire strand with high performance steel wires, which have the tensile strength of 1960 MPa grade, as a major component of the main cables in suspension bridges. Construction methods of main cables in suspension bridges are briefly reviewed by comparing the pros and cons of available methods. Required items for performance and quality of parallel wire strands are described based on the established references. Ultimate tensile strength tests are carried out for seven specimens in order to analyze the behavior of high-performance parallel wire strands. The test results demonstrate that the properties of test specimens are satisfied with performance indexes specified in this paper. The high-performance parallel wire strands are acceptable for application in main cables of suspension bridges.
Keywords
parallel wire strand; PPWS method; high performance wire; cable; suspension bridge;
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