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충남대학교

충남대학교 건설재료시공학연구실

Building material & construction lab.

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프린트 확대 축소

국내전문학술

남정수, 유재철, 김규용, 김홍섭, & 전중규. (2015). 아라미드섬유의 표면개질에 의한 시멘트 복합재료의 강도특성 및 내충격성능의 향상효과. 한국구조물진단유지관리공학회 논문집 (KSMI), 19(1), 100-108.
남정수, 유재철, 김규용, 김홍섭, & 전중규. (2015). 아라미드섬유의 표면개질에 의한 시멘트 복합재료의 강도특성 및 내충격성능의 향상효과. 한국구조물진단유지관리공학회 논문집 (KSMI), 19(1), 100-108.
작성자 관리자
조회수 96 등록일 2015.01.01
주저자 남정수
교신저자 042-821-7731
공동저자 김규용, 김홍섭, 전중규
학술지명 한국구조물진단유지관리학회
Abstract
 
The purpose of this study is to evaluate the effect of improvement on the impact resistance and strength properties of cement
composites by surface modification of aramid fiber. For aramid fiber reinforced cement composites, therefore, dispersion capability
and the bonding efficiency between the fibers and the cement composite material need to be improved. It is possible by modifying
surface properties to hydrophobic, it is considered that oiling agent ratio of 1.2 % and improvement of performance is in need to
be investigated. In this study, short aramid fibers were mixed by different fiber length and oiling agent ratio. And improvement
of strength properties and impact resistance performance of hybrid cement composites were evaluated under the influence of steel
fiber. As a result, strength properties of aramid fiber reinforced cement composites are different by mixing ratio of fiber, oiling
agent ratio and length of fiber. In case of cement composites which have same volume fraction and fiber length, tensile strength
and flexural strength were improved with increase of the emulsions throughput of the fiber surface. The results of evaluation on
the static strength properties had effects on impact resistance performance by high-velocity impact. And it was observed that the
scabbing of rear was suppressed with increase of the oiling agent ratio.