Investigation of toughness of ultra high performance fibre reinforced concrete (UHPFRC) beam under impact loading

被引：37
|
作者：
Mao, L. [1 ]
Barnett, S. J. [2 ]
机构：
[1] Univ Loughborough, Dept Aeronaut & Automot Engn, Epinal Way, Loughborough LE11 3TU, Leics, England
[2] Univ Portsmouth, Sch Civil Engn & Surveying, Winston Churchill Ave, Portsmouth PO1 2UP, Hants, England
来源：
INTERNATIONAL JOURNAL OF IMPACT ENGINEERING | 2017年 / 99卷
基金：
英国工程与自然科学研究理事会;
关键词：
UHPFRC; Toughness; Impact load; Numerical simulation; Strain rate; BEHAVIOR; STRENGTH;
D O I：
10.1016/j.ijimpeng.2016.09.014
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This paper provides a systematic study about toughness of ultra high performance fibre reinforced concrete (UHPFRC) in order to better understand the UHPFRC resistance under impact loading condition. UHPFRC beams containing various fibre volumes are tested under impact load at different strain rate. From the test results, the relationship between UHPFRC toughness and strain rate can be determined. Moreover, a numerical model of UHPFRC beam under impact load is developed and its performance is verified using test data. With developed UHPFRC model, the evolution of UHPFRC toughness can be better investigated. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：26 / 38
页数：13
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