Tunnel without sand concrete, geotextile, seepage blind pipe construction sequence
Hello, according to the question you ask, the construction sequence should be the first laying of seepage blind pipe and then laying geotextile, and finally pouring no sand concrete. Geotextile laying in the osmosis above the main pipe is to play the role of filtration and protection, to prevent seepage blind pipe plug. There are a lot of sites in order to better ensure that the blind water pipe is not blocked in the osmosis blind tube outside the layer of geotextile wrapped.
In accordance with the order of seawater blind pipe geotextile sandless concrete, I specialize in producing geotextile materials