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国内外堤坝渗流稳定设计准则对比分析 被引量:1
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作者 林岳 丁建军 《港工技术》 2020年第S01期47-51,73,共6页
本文基于国际认可的设计指南:建筑工业研究与信息协会的《国际堤坝手册》(CIRIAC731TheInternationalLevee Handbook)等国际标准,介绍了堤坝内部侵蚀的破坏机理,结合某海外堤坝工程,对国内外关于渗流稳定的设计准则进行了总结和对比分析... 本文基于国际认可的设计指南:建筑工业研究与信息协会的《国际堤坝手册》(CIRIAC731TheInternationalLevee Handbook)等国际标准,介绍了堤坝内部侵蚀的破坏机理,结合某海外堤坝工程,对国内外关于渗流稳定的设计准则进行了总结和对比分析,为国内相关设计提供借鉴,为进一步推进海外项目打下基础。 展开更多
关键词 国际堤坝手册 渗流(渗透)稳定 内部侵蚀 设计准则
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Outburst mechanism of Yindapu Glacial Lake in Tibet
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作者 ZHUANG Shuyu LI Guangjie CHEN Guoyu SHU Youfeng 《Global Geology》 2009年第4期200-203,共4页
At present,the mechanism research on glacial lake outburst mainly focuses on the ice quake and ice landslide,etc. To some glacial lakes,the seepage deformation is the dominant factor in outburst process. Taking the Yi... At present,the mechanism research on glacial lake outburst mainly focuses on the ice quake and ice landslide,etc. To some glacial lakes,the seepage deformation is the dominant factor in outburst process. Taking the Yindapu Glacial Lake in Tibet as an example,using SEEP/W module of FEM software (GEO-STUDIO),the authors analyzed seepage stability of terminal moraine ridge dam. The leading role of seepage deformation in some glacial lake outburst mechanism is proposed and proved. 展开更多
关键词 glacial lake outburst seepage deformation mechanism terminal moraine ridge
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New method of calculating formation parameters of low permeability gas reservoir
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作者 SHANG Xi-tao HE Shun-li LI Xiu-sheng 《Journal of Energy and Power Engineering》 2009年第3期34-39,共6页
The data of modified isochronal testing of gas well is just used to calculate gas well deliverability. Fully utilizing well test data make it possible to obtain formation parameters, such as gas well deliverability, e... The data of modified isochronal testing of gas well is just used to calculate gas well deliverability. Fully utilizing well test data make it possible to obtain formation parameters, such as gas well deliverability, effective permeability and skin factor at the same time. Based on transient flow theory, the pressure drawdown equation of gas unsteady seepage can be deducted. One simulated case is used to illustrate the applicability of the proposed method. The result of analyzed case shows that the proposed method can provide accurate estimate of formation permeability and skin factor compared with the method of Homer curves. 展开更多
关键词 gas reservoir well testing pressure test formation parameters METHOD
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