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  • Open Access

    ARTICLE

    Numerical study on seepage property of karst collapse columns under particle migration

    Banghua Yao1,2, Jianping Wei1, Dengke Wang1, Dan Ma2,3, Zhanqing Chen2

    CMES-Computer Modeling in Engineering & Sciences, Vol.91, No.2, pp. 81-100, 2013, DOI:10.3970/cmes.2013.091.081

    Abstract Presently, there is an increasing number of water outburst accidents in China as mining activity continues to develop to deeper ground. In these accidents, water outburst caused by karst collapse columns often results in serious damage, involving both the loss of lives and significant economic loss. Therefore, it is of utmost importance to study the seepage property and water outburst mechanism of karst collapse columns. In this paper, based on the seepage theory and the groundwater dynamic theory of porous media, a fluid-solid coupling model for karst collapse columns was built and then imported into… More >

  • Open Access

    ABSTRACT

    Analysis of cutoff effect on groundwater seepage of underground structures in Aquifers of Shanghai

    Ye-Shuang Xu, Shui-Long Shen, Jin-Chun Chai, Zhen-Shun Hong

    The International Conference on Computational & Experimental Engineering and Sciences, Vol.20, No.2, pp. 65-66, 2011, DOI:10.3970/icces.2011.020.065

    Abstract With the process of urbanization, a large amount of infrastructures, e.g. metro tunnels, underground path, and building basement, is constructed in underground along coastal mega-cities, e.g. Shanghai, Tianjin, and Guangzhou etc. The existence of underground in aquifers within the urban region obstructs the behavior of seepage and results in the raise of groundwater level at the upper side and drawdown of groundwater level at the lower side of the structure. Therefore, rebound at the upper side and settlement at the lower side of underground structures may occur due to consolidation in long-term and redistribution of… More >

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