Foundation geological survey hole gushing water plugging device and method: Fid-Bau Portal

Foundation geological survey hole gushing water plugging device and method

ZHAO XIAOLEI

The invention relates to a foundation geological survey hole gushing water plugging device and a method. The device comprises a drain pipe disposed in a survey hole, a plugging mechanism connected with the outer wall of the drain pipe, a water hose connected with the upper end of the drain pipe, a water stop valve disposed in the drain pipe, and double-block plugging cement disposed between the drain pipe and the survey hole. The plugging mechanism is located between the drain pipe and the survey hole; the double-block plugging cement is located above the plugging mechanism; one end of the water hose is connected with a water pump; and the plugging mechanism comprises a main plugging ring plate and a plurality of expansion plugging ring plates. According to the foundation geological survey hole gushing water plugging device, the problem of plugging of a pressure-bearing water hole is effectively solved, and pressure release of pressure-bearing water is more effective and convenient through the combined action of the water pump, a water stop ring plate and a drainage steel pipe; and meanwhile, further locking connection between the main plugging ring plate and the expansion plugging ring plates can be achieved through the pressure applied by the confined water, so that the stability of the plugging mechanism is higher.

本发明涉及一种基础地质勘察孔涌水封堵装置及方法，包括设于勘察孔内的疏水管、连接在疏水管外壁上的封堵机构、连接在疏水管上端的软水管、设于疏水管内的止水阀门以及设于疏水管和勘察孔之间的双快封堵水泥，所述封堵机构位于疏水管和勘察孔之间，所述双快封堵水泥位于封堵机构的上方，所述软水管的一端连接有水泵；所述封堵机构包括主封堵环板以及若干个扩展封堵环板。该基础地质勘察孔涌水封堵装置，有效解决承压水孔封堵的问题，承压水压力的释放通过水泵、止水环板以及疏水钢管的共同作用更加有效和方便，同时也可以通过承压水所施加的压力使得主封堵环板和扩展封堵环板之间实现进一步的锁定连接，使得封堵机构的稳定性更高。

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