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作者:

Deng, Zongcai (Deng, Zongcai.) (学者:邓宗才) | Li, Jianhui (Li, Jianhui.)

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EI Scopus SCIE

摘要:

This paper is concentrated on the behaviors of five different types of fiber reinforced concrete (FRC) in uniaxial tension and flexural impact. The complete stress-strain responses in tension were acquired through a systematic experimental program. It was found that the tensile peak strains of concrete with micro polyethylene (PEF) fiber are about 18-31% higher than that of matrix concrete, those for composite with macro polypropylene fiber is 40-83% higher than that of steel fiber reinforced concrete (SFRC). The fracture energy of composites with micro-fiber is 23-67% higher than that of matrix concrete; this for macro polypropylene fiber and steel fiber FRCs are about 150-210% and 270-320% larger than that of plain concrete respectively. Micro-fiber is more effective than macro-fiber for initial crack impact resistance; however, the failure impact resistance of macro-fiber is significantly larger than that of micro-fiber, especially macro-polypropylene-fiber.

关键词:

complete stress-deformation curve concrete crack flexural impact behavior polyethylene fiber polypropylene fiber steel fiber uniaxial tension

作者机构:

  • [ 1 ] Beijing Univ Technol, Sch Civil & Architecture Engn, Beijing 100022, Peoples R China

通讯作者信息:

  • 邓宗才

    [Deng, Zongcai]Beijing Univ Technol, Sch Civil & Architecture Engn, Beijing 100022, Peoples R China

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来源 :

COMPUTERS AND CONCRETE

ISSN: 1598-8198

年份: 2007

期: 1

卷: 4

页码: 19-32

4 . 1 0 0

JCR@2022

ESI学科: COMPUTER SCIENCE;

JCR分区:3

被引次数:

WoS核心集被引频次: 7

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