硕士生导师
个人信息Personal Information
学历：博士研究生毕业
学位：工学博士学位
性别：男
主要任职：成都市金牛区归国华侨联合会常务委员、副主席
毕业院校：九州大学（日本）
学科：土木工程
所在单位：土木工程学院
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Experimental study on the mechanical behaviour of short chopped basalt fibre reinforced concrete beams
DOI码：10.1016/j.istruc.2022.09.090
发表刊物：Structures
摘要：The use of short chopped basalt fibres (CBFs) in concrete structures, as a promising alternative to conventional fibres, is of great importance to the sustainable development and plays a well-balanced role between strength improvement and workability in construction. Hence, this paper successively presents two series of test programs. Series I as the preliminary material tests is conducted to understand the effects of short CBFs on concrete matrix, while Series II as the beam tests is primarily to explore the flexural performance of concrete beams mixed with CBFs based on various three kinds of parameters. The results showed that in Series I, the inclusion of CBFs can relieve the crack patterns from a sudden failure to a more ductile behaviour, and effectively upgrade the flexural strength of concrete. While in Series II, concrete beams mixed with CBFs can help enhance the crack resistance ability and greatly improve the flexural behaviour during the working stage. In addition, the improvement effects were enlarged with increasing fibre length, and that were reduced as the tensile reinforcement ratio increases. An FRL height ratio of 0.35 was suggested to ensure that the composite beams worked well and to avoid potential interface issues. Finally, the calculated methods of cracking moment and section stiffness during the service life, were proposed and verified by collecting other test data.
合写作者：Cai Lianheng
第一作者：Liu Qian
论文类型：SCI
通讯作者：Guo Rui
学科门类：工学
文献类型：J
卷号：45
页面范围：1110-1123
ISSN号：2352-0124
是否译文：否
发表时间：2022-10-09
收录刊物：SCI