Apparatus for draining subsurface water
A drainage device and groundwater technology, applied in protection devices, buildings, building structures, etc., can solve the problems of difficult maintenance, interference of internal facilities, and unsightly appearance, etc., and achieve the effect of easy construction, saving installation space, and beautiful appearance
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[0022] Hereinafter, the preferred embodiments of the groundwater drainage device according to the present invention will be described in detail based on the drawings.
[0023] Fig. 1 is a diagram showing an embodiment of a groundwater drainage device according to the present invention. With reference to this figure, the underground water drainage device is installed in the lower part of the foundation concrete 300 of the underground foundation provided with the building structure, and includes a drainage part 20 having a perforated pipe or drainage plate 21 through which underground water flows. Foundation concrete 300 is poured on the upper part of the drainage part 20. When pouring the foundation concrete 300, it is natural to fill the upper and lower steel bars.
[0024] A plurality of vertical connection pipes 52 penetrate the foundation concrete 300 and are arranged at predetermined intervals. One end of the vertical connection pipe 52 is connected to the drainage part 20, an...
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