[1]邓宗才,陈海龙.集束型玻璃纤维混凝土轴拉、弯曲和断裂性能[J].哈尔滨工程大学学报,2019,40(05):993-999.[doi:10.11990/jheu.201711103]
 DENG Zongcai,CHEN Hailong.Axial tensile properties, flexural toughness and fracture properties of bundling glass-fiber reinforced concrete[J].hebgcdxxb,2019,40(05):993-999.[doi:10.11990/jheu.201711103]
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集束型玻璃纤维混凝土轴拉、弯曲和断裂性能(/HTML)
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
40
期数:
2019年05期
页码:
993-999
栏目:
出版日期:
2019-05-05

文章信息/Info

Title:
Axial tensile properties, flexural toughness and fracture properties of bundling glass-fiber reinforced concrete
作者:
邓宗才 陈海龙
北京工业大学 城市与工程防灾减灾省部共建教育部重点实验室, 北京 100124
Author(s):
DENG Zongcai CHEN Hailong
The Key Laboratory of Urban Security and Disaster Engineering, Ministry of Education, Beijing University of Technology, Beijing 100124, China
关键词:
耐碱集束型玻璃纤维轴拉性能弯曲韧性断裂性能体积掺率钢纤维聚烯烃纤维纤维混凝土
分类号:
TU377.9
DOI:
10.11990/jheu.201711103
文献标志码:
A
摘要:
为掌握不同掺率耐碱集束型玻璃纤维混凝土的力学韧性,本文对不同体积掺率的耐碱集束型玻璃纤维混凝土和钢纤维及粗聚烯烃纤维混凝土进行了轴拉、四点弯曲韧性和三点切口梁断裂试验。分析了纤维掺率对耐碱集束型玻璃纤维混凝土力学性能的影响规律,并和同体积掺率的钢纤维和粗聚烯烃纤维混凝土进行了比较。试验表明:耐碱集束型玻璃纤维混凝土轴拉性能优于同体积掺率的粗聚烯烃纤维混凝土,轴拉强度和极限拉应变均略高于同体积掺率的钢纤维混凝土;耐碱集束型玻璃纤维体积掺率为0.75%时,弯曲韧性值和峰值强度比素混凝土分别提高了191.73%和11.47%,断裂韧度和断裂能比素混凝土分别提高了28.16%和268.69%,该掺率下耐碱集束型玻璃纤维混凝土弯曲韧性指标和断裂力学指标增幅较大。

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备注/Memo

备注/Memo:
收稿日期:2017-11-28。
基金项目:国家自然科学基金项目(51578021).
作者简介:邓宗才,男,教授,博士生导师.
通讯作者:邓宗才,E-mail:dengzc@bjut.edu.cn
更新日期/Last Update: 2019-05-14