| 地下结构混凝土微胶囊自修复法及力学模型 |
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| 引用本文： | 周帅,朱合华,闫治国,朱建文.地下结构混凝土微胶囊自修复法及力学模型[J].同济大学学报(自然科学版),2014,42(10):1467-1472. |
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| 作者姓名： | 周帅 朱合华 闫治国 朱建文 |
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| 作者单位： | 1. 同济大学土木工程学院,上海,200092
2. 同济大学土木工程学院,上海200092;同济大学土木工程防灾国家重点实验室,上海200092;同济大学岩土及地下工程教育部重点实验室,上海200092 |
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| 基金项目： | 国家“九七三”重点基础研究发展计划（2011CB013800） |
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| 摘 要： | 由于受到外环境和内环境的共同作用,地铁隧道结构的劣化现象是不可避免的,且用常规方法难以修复.而微胶囊自修复混凝土为地铁隧道结构的修复提供了新的方法,它能够智能、大范围地修复细微裂缝,且对结构造成的初始损伤较小.为此,提出了基于泰勒弹性损伤模型的受拉荷载下地下结构微胶囊自修复混凝土的二维自修复细观力学模型,建立了损伤修复演化方程,给出了修复后柔度的求解公式.微胶囊自修复水泥的试验与数值对比分析表明,该模型不仅能够模拟地下结构微胶囊自修复混凝土的损伤修复现象,而且具有较好的计算精度.
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| 关 键 词： | 地铁隧道 微胶囊自修复混凝土 二维 受拉荷载 自修复细观力学模型 |
| 收稿时间： | 2013/8/22 0:00:00 |
| 修稿时间： | 6/5/2014 12:00:00 AM |
Self healing Micromechanical Model of Microcapsule enabled Self healing Concrete in Underground Structures |
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| ZHOU Shuai,ZHU Hehu,YAN Zhiguo and JU J Woody.Self healing Micromechanical Model of Microcapsule enabled Self healing Concrete in Underground Structures[J].Journal of Tongji University(Natural Science),2014,42(10):1467-1472. |
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| Authors: | ZHOU Shuai ZHU Hehu YAN Zhiguo and JU J Woody |
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| Institution: | State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China;State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China; Key Laboratory of Geotechnical and Underground Engineering of the Ministry of Education, Tongji University, Shanghai 200092, China;College of Civil Engineering, Tongji University, Shanghai 200092, China;State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China; Key Laboratory of Geotechnical and Underground Engineering of the Ministry of Education, Tongji University, Shanghai 200092, China;College of Civil Engineering, Tongji University, Shanghai 200092, China;State Key Laboratory for Disaster Reduction in Civil Engineering, Tongji University, Shanghai 200092, China; Key Laboratory of Geotechnical and Underground Engineering of the Ministry of Education, Tongji University, Shanghai 200092, China;College of Civil Engineering, Tongji University, Shanghai 200092, China |
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| Abstract: | |
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| Keywords: | metro tunnel microcapsule enabled self healing concrete 2D tensile load self healing micromechanical model |
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