以石槽村煤矿宝塔山砂岩含水层为工程背景,构建了含水层三维可视化模型,通过单孔、多孔非稳定流模型对该可视化模型进行验证,并对顶板泄水点位置反演预估。结果表明:采区顶板群孔非稳定流模型数据与观测孔放水实测数据拟合性好,模型可...以石槽村煤矿宝塔山砂岩含水层为工程背景,构建了含水层三维可视化模型,通过单孔、多孔非稳定流模型对该可视化模型进行验证,并对顶板泄水点位置反演预估。结果表明:采区顶板群孔非稳定流模型数据与观测孔放水实测数据拟合性好,模型可信度高;含水层数值重构最优解为6个分区,即Ⅰ高渗中储水区、Ⅱ中渗高储水区、Ⅲ高渗高储水区、Ⅳ低渗中储水区、Ⅴ低渗低储水区、Ⅵ中渗中储水区;井下泄水点位置在G1-1观测点和F1-3观测点之间,泄水量为150~200 m 3/d。展开更多
The stress distribution of typical rolling shell vessel was analyzed by FEM in this paper,and the variation of stress distribution was also given when the dimensions in the section ofthis kind of vessel was changed. O...The stress distribution of typical rolling shell vessel was analyzed by FEM in this paper,and the variation of stress distribution was also given when the dimensions in the section ofthis kind of vessel was changed. On the base of strength analysis and in the process of de-sign, an optimum structure of rolling shell vessel was selected.展开更多
文摘以石槽村煤矿宝塔山砂岩含水层为工程背景,构建了含水层三维可视化模型,通过单孔、多孔非稳定流模型对该可视化模型进行验证,并对顶板泄水点位置反演预估。结果表明:采区顶板群孔非稳定流模型数据与观测孔放水实测数据拟合性好,模型可信度高;含水层数值重构最优解为6个分区,即Ⅰ高渗中储水区、Ⅱ中渗高储水区、Ⅲ高渗高储水区、Ⅳ低渗中储水区、Ⅴ低渗低储水区、Ⅵ中渗中储水区;井下泄水点位置在G1-1观测点和F1-3观测点之间,泄水量为150~200 m 3/d。
文摘The stress distribution of typical rolling shell vessel was analyzed by FEM in this paper,and the variation of stress distribution was also given when the dimensions in the section ofthis kind of vessel was changed. On the base of strength analysis and in the process of de-sign, an optimum structure of rolling shell vessel was selected.
