Well completion drainage construction method for loose ground surface: Fid-Bau Portal

Well completion drainage construction method for loose ground surface

HUANG JIANXIONG / LUO KAIDI

The invention discloses a well completion drainage construction method for the loose ground surface. The well completion drainage construction method for the loose ground surface comprises the steps that step 1, drainage lines are arranged on the loose ground surface according to the water collecting direction; step 2, a main drainage pipe and branch drainage pipes are buried to form a network line; step 3, each intersection point is used as positioning joints of well completion masonry to carry out well body operation of well completion; step 4, after the well body operation I the steps 3 isformed, a main drainage ditch is arranged at the position, in butt joint with the main drainage pipe, on the well body, two ends of the main drainage ditch are separately connected with the water inlet end and the water outlet end of the main drainage pipe, branch drainage ditches are arranged at the position, located above the main drainage ditch, of the side surface of the well body, one ends ofthe branch drainage ditches are connected with the water outlet ends of the branch drainage pipes, and the other ends of the branch drainage ditches communicate with the main drainage ditch to enablethe branch drainage ditches to be connected with the main drainage ditch to form collected drainage point; and step 5, the step 4 is repeated, after collected drainage joints are interconnected, a drainage network is formed by the collected drainage joints.

本发明公开了一种用于松散地表的成井排水施工方法，包括步骤一：在松散地表上按照集水方向布置排水线路；步骤二：埋设主排水管道以及分支排水管道，形成网状线路；步骤三：每个交叉点设为成井砌筑的定位节点，进行成井的井体作业；步骤四：待步骤三中井体作业形成后，在井体内与主排水管道对接的位置设有主排水沟，所述主排水沟两端分别与主排水管道的进水端及出水端衔接，在井体侧面且位于主排水沟上方设有分支排水沟，分支排水沟一端与分支排水管道的出水端衔接，另一端与主排水沟连通，使得分支排水沟与主排水沟衔接形成汇集排水点；步骤五：重复步骤四，每个汇集排水节点互通后，由多个汇集排水节点形成排水管网。

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