[1]颜 岩,孔 昱,王迎斌,等. 橡胶混凝土力学性能及疲劳性能研究[J].湖北工业大学学报,2023,(2):61-65.
　YAN Yan,KONG Yu,WANG Yingbin,et al. Mechanical and Fatigue Properties of Rubber Concrete[J].,2023,(2):61-65.
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 橡胶混凝土力学性能及疲劳性能研究()
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《湖北工业大学学报》[ISSN:1003-4684/CN:42-1752/Z]

卷:
期数:
2023年第2期
页码:
61-65
栏目:
湖北工业大学学报
出版日期:
2023-04-30

文章信息/Info

Title:
 Mechanical and Fatigue Properties of Rubber Concrete
文章编号:
1003-4684(2023)02-0061-05
作者:
 颜 岩1;  孔 昱1;  王迎斌1;  赵 航2;  白应华1
 1 湖北工业大学土木建筑与环境学院，湖北 武汉 430068；
 2 空军后勤部工程代建管理办公室，四川 新津 611430
Author(s):
 YAN Yan1;  KONG Yu1;  WANG Yingbin1;  ZHAO Hang2;  BAI Yinghua1
 1 School of Civil Architecture and Environment, Hubei Univ. of Tech., Wuhan 430068,China；
 2 Engin. Agent Construction Management Office of Air Force Logistics Dep., Xinjin 611430，China
关键词:
 ; 橡胶混凝土;  低温;  弹性模量;  抗压疲劳
Keywords:
 ; rubber concrete;  low temperature;  elastic modulus;  compressive fatigue
分类号:
TU528.2
文献标志码:
A
摘要:
 为研究40%掺量的橡胶混凝土的抗压强度和弹性模量性能，及低温环境对其影响规律，进行了抗压和弹性模量试验；对不同应力水平下的橡胶混凝土开展抗压疲劳试验，通过建立疲劳方程来描述不同混凝土的抗压疲劳特性。结果表明，40%体积掺量的橡胶混凝土抗压强度降低34.64%，弹性模量降低28.84%。-40℃环境下橡胶混凝土抗压强度提高3.53%，弹性模量提高16.28%。橡胶混凝土在应力水平0.75、0.80、0.85时疲劳寿命次数分别提高83.39%、73.71%、31.11%。选用单对数疲劳方程来描述混凝土疲劳特性，得到不同混凝土回归方程的相关系数都接近于1，可以较好地反应混凝土的疲劳特性，为橡胶混凝土在不同应力水平作用下疲劳寿命预测提供参考。
Abstract:
 In order to study the compressive strength and elastic modulus of 40% rubber concrete and the influence of low temperature environment on it, compressive and elastic modulus tests were carried out. Compressive fatigue tests were conducted on rubber concrete at different stress levels, and the compressive fatigue characteristics of different concrete were described by establishing fatigue equation. The results show that the compressive strength and modulus of elasticity of rubber concrete with 40% volume fraction are reduced by 34.64% and 28.84%.The compressive strength and elastic modulus of rubber concrete are increased by 3.53% and 16.28% at 40 C. The fatigue life times of rubber concrete at stress levels of 0.75, 0.80 and 0.85 are respectively increased by 83.39%, 73.71% and 31.11%.The single logarithmic fatigue equation is used to describe the fatigue characteristics of concrete, and the correlation coefficients of different concrete regression equations are close to 1, which can better reflect the fatigue characteristics of concrete and provide reference for the fatigue life prediction of rubber concrete under different stress levels.

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备注/Memo

备注/Memo:
［收稿日期］ 2021-11-23
［基金项目］ 国家自然科学基金青年基金项目（52008158）
［第一作者］ 颜 岩（1981-），男，湖北洪湖人，湖北工业大学讲师，研究方向为新型建筑材料
［通信作者］ 白应华（1975-），男，湖北应城人，湖北工业大学副教授，研究方向为新型混凝土材料和工程结构
更新日期/Last Update: 2023-04-26