Study on mechanical properties of locked coil wire rope under and post fire

Guo, Liyan; Chen, Zhihua; Liu, Hongbo; Meng, Yadan; Zhang, Fan; Wang, Longxuan

doi:10.1016/j.conbuildmat.2022.128837

Cited by 9 publications

(2 citation statements)

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“…Furthermore, Sun et al performed tensile tests on zinc-5% aluminum-mixed mischmetal alloy-coated steel strand cables at ambient temperature (Sun et al, 2019). Previous studies have conducted tensile tests on locked coil wire ropes under steady-state conditions (≤500 8C) and after heating and cooling processes (Guo et al, 2022). Du et al examined the transient temperature distributions of strand wire ropes and anchors of steel cables under ISO834 fire (Du et al, 2019a, b).…”

Section: Introductionmentioning

confidence: 99%

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Tensile strengths of super high-strength steel strand wire ropes and wire rope open swaged socket connections at fire and post fire

Yamaguchi

Ozaki

2023

JSFE

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PurposeThe main purpose of this study was to evaluate the tensile strengths of JIS G3549 super high-strength steel strand wire ropes (1,570 MPa-class high-carbon steels) and wire rope open swaged socket connections at fire and post fire.Design/methodology/approachSteady-state tests from ambient temperature (20 °C) to 800 °C, transient-state tests under the allowable design tensile force and tensile tests in an ambient temperature environment after heating (heating temperatures of 200–800 °C) were conducted.FindingsThe tensile strengths of the wire rope and end-connection specimens at both fire and post fire were obtained. The steel wire rope specimens possessed larger reduction factors than general hot-rolled mild steels (JIS SS400) and high-strength steel bolts (JIS F10T). The end-connection specimens with sufficient socket lengths exhibited ductile fracture of the wire rope part at both fire and post fire; however, those with short socket lengths experienced a pull-out fracture at the socket.Originality/valueThe fundamental and important tensile test results of the super high-strength steel strand wire ropes (1,570 MPa-class high-carbon steels) and wire rope open swaged socket connections were accumulated at fire and post fire, and the fracture modes were clarified. The obtained test results contribute to fire resistance performance-based design of cable steel structures at fire and fire-damage investigations to consider their reusability post fire.

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Section: Introductionmentioning

confidence: 99%

“…performed tensile tests on zinc–5% aluminum-mixed mischmetal alloy-coated steel strand cables at ambient temperature (Sun et al ., 2019). Previous studies have conducted tensile tests on locked coil wire ropes under steady-state conditions (≤500 °C) and after heating and cooling processes (Guo et al ., 2022). Du et al .…”

Section: Introductionmentioning

confidence: 99%