The presence of water in highway and railway platforms drastically reduces the useful life of the structure and produces deformations in the ground and irreversible damage to the platform.
The solution consists of creating a drainage blanket made up of INTERDRAIN drainage geocomposites ot the bottom of the excavation, covering the whole width of the base of the cutting or slope, intercepting and draining the underground water reaching the platform or base of the slope off to the sides, whether it is rain water or ground water.
The main applications of horizontal drainage using INTERDRAIN drainage blankets are:
1. Drainage of underground water flows at the bases of cuttings and embankments.
2. Reduction of thw W.T. at the bases of cuttings and embankments.
3. Anti-capilary barrier and ground water drainage at the bases of slopes and embankments.
4. Drainage and sealing in water-sensitive soil.
5. Improvement treatment for soil with strip drains.
6. Drainage and leak detection in structures below the W.T.
7. Drainage of underground water flows in buried structures.
PLAN WITH INTERDRAIN:
The choice of INTERDRAIN depends on the height of earth.
Comparison with gravels. References to works. Case study:
Horizontal drainage in an improvement operation for earth with strip drains.
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