Measure ground water
1)Pavetransparent adhesive film(the size＞1㎡) on the groundunder the sunshine, an seal it with film. If it has fogphenomenon after 2-4hours, it means that ground moisture content is high, theconstruction is not suitable.
2) Pave dry newspapers on ground under sunshine,cover with plates, take the newspapers out after 3hours, and firenewspapers. If newspapers can’t be fired,there is plenty of ground water, andconstruction is not suitable
3) Measureground moisture content by using moisture analyzer (the moisture content within8%)