What are the general provisions of railway subgrade slope protection?

What are the general provisions of railway subgrade slope protection? The following is a detailed introduction of Zhong Da Consulting for your reference.

Two-way geogrids with a width of not less than 3.0m shall be horizontally laid at the outer edge of the embankment slope below the subgrade bed surface of all embankments.

After the earthwork construction of subgrade is completed or completed, the subgrade protection construction shall be carried out in time. All kinds of protection and reinforcement should be built on a stable foundation or slope. In the area with retaining structure and groundwater drainage facilities, the retaining structure and drainage facilities should be completed first, and then the protection project should be implemented. The protected slope surface should be inspected and treated, and the protection facilities should be combined with the slope surface.

Before construction, the slope surface shall be cleaned up and the pits shall be filled up to make the slope surface generally flat.

The location, layout, pore size, material and filter layer of subgrade protection drainage holes should meet the design requirements, and the drainage should be smooth. The materials and settings of masonry and filter layer (or cushion) shall meet the design requirements.

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