A study on pull-out behaviours of shotcrete steel fibers according to bifferent shapes

This paper presents the tensile strength of shotcrete steel fibers depending on the shape of steel fiber. The experimental and numerical analyses are performed in this study. In experimental study, a series of laboratory pullout tests are carried out by changing both the angle and the length of the embedded steel fiber according to the corresponding type of steel fiber in order to derive the optimal type of steel fiber. Results obtained from the experimental work are evaluated and compared with the numerical analysis results. The results clearly show that the pull-out strength of the steel fiber are increased with increasing the hook angle and embedded angle of steel fiber. It is also found that the pull-out strength of the steel fiber is larger in case of the short steel fiber body length.

keywords: Steel fiber shotcrete, Pullout test, Steel fiber hook angle, Steel fiber body length, Steel fiber shotcrete, Pullout test, Steel fiber hook angle, Steel fiber body length, 강섬유 숏크리트, 인발실험, 강섬유 Hook각, 강섬유본체길이

Reference

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Article Contents

Vol.13 No.1

A study on pull-out behaviours of shotcrete steel fibers according to bifferent shapes

Abstract

Reference

(사)한국터널지하공간학회