Science and technology in China make rapid headway as exemplified in the country’s many major breakthroughs Since 1953,china has enacted the 12 Five-Year Plan period(2011-15).In the recently concluded 11th Five-Year ...Science and technology in China make rapid headway as exemplified in the country’s many major breakthroughs Since 1953,china has enacted the 12 Five-Year Plan period(2011-15).In the recently concluded 11th Five-Year Plan(2006-10)the national strategy of giving priority to the development of science展开更多
天然岩体由于裂隙的存在,渗透性具有明显的各向异性,研究裂隙岩体的渗透特性对准确刻画库区渗流场特征、保证洞室水封性具有重要意义。以宁波某地下水封洞库主洞室裂隙岩体裂隙特征统计数据为基础,分析得到优势裂隙组各项特征,应用Monte...天然岩体由于裂隙的存在,渗透性具有明显的各向异性,研究裂隙岩体的渗透特性对准确刻画库区渗流场特征、保证洞室水封性具有重要意义。以宁波某地下水封洞库主洞室裂隙岩体裂隙特征统计数据为基础,分析得到优势裂隙组各项特征,应用Monte-Carlo随机模拟技术生成二维离散裂隙网络(DFN)模型,并计算得到不同尺寸试样的等效渗透系数。结果表明:试样尺寸达到110 m × 110 m后,试样可等同于连续介质,此时的试样为裂隙岩体渗流表征单元体(REV)。展开更多
文摘Science and technology in China make rapid headway as exemplified in the country’s many major breakthroughs Since 1953,china has enacted the 12 Five-Year Plan period(2011-15).In the recently concluded 11th Five-Year Plan(2006-10)the national strategy of giving priority to the development of science
文摘天然岩体由于裂隙的存在,渗透性具有明显的各向异性,研究裂隙岩体的渗透特性对准确刻画库区渗流场特征、保证洞室水封性具有重要意义。以宁波某地下水封洞库主洞室裂隙岩体裂隙特征统计数据为基础,分析得到优势裂隙组各项特征,应用Monte-Carlo随机模拟技术生成二维离散裂隙网络(DFN)模型,并计算得到不同尺寸试样的等效渗透系数。结果表明:试样尺寸达到110 m × 110 m后,试样可等同于连续介质,此时的试样为裂隙岩体渗流表征单元体(REV)。
