Water nail drainage system for railway roadbed slope and construction method of system
A technology of railway subgrade and drainage system, applied in the direction of road bottom, buildings, etc., can solve problems such as failure of drainage function of drainage pipes, blockage of drainage holes of drainage pipes, high traffic density of lines, etc., and achieve high long-term drainage efficiency, high drainage efficiency, The effect of uniform catchment area
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[0037] Hereinafter, the present invention will be further described in detail with reference to the implementation examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
[0038] See figure 1 , figure 2 , image 3 with Figure 4 , A water nail drainage system for railway subgrade slopes, multiple water nails 1 are connected by water nail joint 5, and multiple water nails 1 and water collection pipe 2 are connected by two-way 3 and / or three-way 4 , An elbow (8) is installed at the outlet of the drain pipe 2 or the water nail 1.
[0039] Water nail 1 is composed of PVC pipe or PE pipe wrapped with a layer of capillary permeable drainage belt. The capillary permeable drainage belt is the capillary disclosed in the publication number CN1206058 of China "Drainage Method and Ribbon Drainage Parts Used in the Method" Type permeable drainage belt, capillary permeable drainage belt can take the moisture in the roadbed into it.
[0040] ...
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