深埋隧洞围岩稳定性分析及结构设计研究 |
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引用本文: | 任旭华,王树洪,王美芹,刘丽.深埋隧洞围岩稳定性分析及结构设计研究[J].湖南科技大学学报(自然科学版),2004,19(3):39-42. |
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作者姓名: | 任旭华 王树洪 王美芹 刘丽 |
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作者单位: | 河海大学,水利水电工程学院,江苏,南京,210098 |
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摘 要: | 按照围岩是地下工程中主要的承载结构这一设计思想,应用弹塑性有限元法分析了锦屏二级水电站引水隧洞开挖及支护过程中围岩的变形规律与特征、围岩应力分布及其变化规律、塑性区范围,比较研究了不同渗控方案对隧洞围岩和衬砌的工作状态的影响,提出了较优设计方案.图4,表3,参6.
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关 键 词: | 深埋引水隧洞 围岩稳定 开挖与支护 数值模拟 结构设计 |
文章编号: | 1672-9102(2004)03-0039-04 |
修稿时间: | 2003年10月15 |
Study on surrounding rock stability and structural design of deep-lying tunnel |
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Abstract: | The Longyou large ancient underground caverns contains the long-term integrity about two thousands years, but the field investigations show that the caverns are being up against many diseases.In order to protect it, the engineering geological and hydrogeological conditions and the kinds of diseases are analyzed.Based on the study above,the principal protective measure of propping of roof is proposed.7figs.,14refs. |
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Keywords: | longyou large ancient underground caverns engineering geological condition mechanical failure flooding damage protective measure |
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