taphole clay

The elemental application of Visual Basic in the closure hydraulic calculation;

Visual Basic在围海堵口水力计算的应用初步探讨

Generally reclamation engineering includes seawall, sluice and final closure.

围海工程一般包括海堤、水闸、堵口三部分。

A new blocking method adapted to the breach of the main embankment at Jiujiang on the Yangtze River during 98 huge flood is intruduced,Three steps in the blocking project are included:closure,blocking and landlocking water.

介绍１９９８年洪水期间九江长江干堤出现溃口后采用的堵口方法和技术。

Modified screw anchors are suitable to the closure work.

经改进的螺旋锚适用于堵口抢险工程 。

A local scour depth formula is applied in the calculation of scour depth around a groyne head in a closure work, and the unit discharge (or velocity) around the groyne head is computed by use of the potential flow theory in seepage field.

将局部冲刷计算式应用到丁坝头和堵口截流冲坑深度的计算 ,并引用绕板桩渗流场势流理论计算水流绕坝头的单宽流量 (或流速 ) ,进而给出了进占堵口或丁坝坝头护脚抛石的稳定性计算式 。