1. 河北工程大学水利水电学院
2. 河北省智慧水利重点实验室
纸质出版:2024
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屈春来, 王晓阳, 刘世伟. 变化温度下岩石混凝土界面剪切损伤特征[J]. 水电能源科学, 2024,(6):102-105+133.
屈春来, 王晓阳, 刘世伟. 变化温度下岩石混凝土界面剪切损伤特征[J]. 2024, (6): 102-105+133.
屈春来, 王晓阳, 刘世伟. 变化温度下岩石混凝土界面剪切损伤特征[J]. 水电能源科学, 2024,(6):102-105+133. DOI: 10.20040/j.cnki.1000-7709.2024.20231092.
屈春来, 王晓阳, 刘世伟. 变化温度下岩石混凝土界面剪切损伤特征[J]. 2024, (6): 102-105+133. DOI: 10.20040/j.cnki.1000-7709.2024.20231092.
环境温度变化改变了隧洞围岩与衬砌界面的力学性能,直接影响着衬砌结构的承载特性和隧洞围岩的安全稳定性。通过设计三种变温养护模式干预方案,进行混凝土单轴压缩和岩石混凝土直剪试验,获得不同温度变化干预下混凝土应力-应变曲线和岩石混凝土界面剪切应力-位移曲线,分析变化温度干预下岩石混凝土力学性能、相对刚度及界面剪切损伤演化速率的变化规律。结果表明,初始干预温度越高,界面抗剪强度峰值和剪切刚度越大、岩石混凝土相对刚度越大、界面峰后剪切脆性越好、界面剪切损伤演化速率越大,初始干预温度的影响占主导地位;岩石混凝土相对刚度与界面剪切损伤演化速率呈正相关关系。相关研究成果可为高地温及变温环境下隧洞衬砌结构承载性能评价提供理论支撑。
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王明年,胡云鹏,童建军,王奇灵,王翊丞,董从宇.高温变温环境下喷射混凝土–岩石界面剪切特性及温度损伤模型研究[J].岩石力学与工程学报,2019(01).
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唐兴华,王明年,童建军,董从宇,王翊丞.高温变温条件下喷射混凝土-花岗岩胶结面剪切强度[J].铁道学报,2017(12).
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