...Xu Li; Zeyu Xiao; Zhenguo Zhao; Junfeng Sun; Shiyuan Liu Purpose To explore the economical and reasonable semi-rigid permeable base layer ratio, solve the problems caused by rainwater washing over the pavement base layer on the slope, improve its drainage function, improve the water stability...

... Permeability Microstructure Construction waste from demolition of obsolete structures is dumped haphazardly, damaging the environment thus harming the life system. This waste consists of mainly broken concrete, glass, fibers and other construction materials in damaged form and can be processed...