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(사)한국터널지하공간학회

ISSN : 2233-8292

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Vol.15 No.1

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A fundamental study on the field applicability of the improved shape steel fiber shotcrete

(사)한국터널지하공간학회 / (사)한국터널지하공간학회, (P)2233-8292; (E)2287-4747
2013, v.15 no.1, pp.59-68


& (2013). A fundamental study on the field applicability of the improved shape steel fiber shotcrete. (사)한국터널지하공간학회, 15(1), 59-68.

Abstract

This paper presents the fundamental study on the field applicability of new-type steel fiber improved the existing shape. In this study, the theoretical reviews and the laboratory test programs were carried out to evaluate the mechanical characteristic of the new-type of steel fiber. The steel fiber sticking coefficient of new-type steel fiber was estimated from the test results. The laboratory scaled shotcrete rebound tests were also performed to analysis the field applicability of New-type steel fiber shotcrete and the mechanical behaviour of New-type steel fiber shotcrete were compared with that of the existing steel fiber shotcrete. It was found that the strength characteristic of New-type steel fiber shotcrete was increased.

keywords
Shotcrete, New-type steel fiber, Steel fiber sticking coefficient, Laboratory scaled shotcrete rebound test, 숏크리트, 새로운 형태 강섬유, 강섬유 부착계수, 실내 리바운드 실험

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