Effect of notch position on fracture energy for foamed concrete

被引：0
|
作者：
Zamri, Mohd Naqiuddin [1 ]
Abd Rahman, Norashidah [1 ]
Jaini, Zainorizuan Mohd [1 ]
Bahador, Nurul Shamila [1 ]
机构：
[1] Univ Tun Hussein Onn Malaysia, Fac Civil & Environm Engn, Jamilus Res Ctr, Parit Raja 86400, Malaysia
来源：
GLOBAL CONGRESS ON CONSTRUCTION, MATERIAL AND STRUCTURAL ENGINEERING 2017 (GCOMSE2017) | 2017年 / 271卷
关键词：
D O I：
10.1088/1757-899X/271/1/012019
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Foamed concrete is one of the lightweight concrete used to replace normal concrete. Foamed concrete has potential as a building construction material in Malaysia due to low density range. However, the behavior of fracture energy on foamed concrete still under investigation. Therefore, a study to determine the fracture energy of foamed concrete was conducted. In this study, foamed concrete fracture energy was obtained using the three-point bending test methods develop by RILEM and Hillerborg. A total of 12 beams with different types of notch and positions of notch were tested on the load deflection condition. In addition, a total of 9 cube samples were cast to support the result of fracture energy by using model from Bazant and Becq-Giraudon and Comite Euro-International du Beton (CEB). Results showed the far the position of the notch from midpoint, the higher the value of fracture energy. In this study, the value of fracture energy ranges between 15 N/m and 40 N/m.
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页数：7
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