In the paper, mechanics and construction techniques of modified waste ash brick masonry are studied by the experiment which is the basis for the applications of modified waste ash brick in project.

Discussion on standard compaction test of swelling clay in roadbed after gray-doped modification;

It is discovered that mid-expansive soil without lime treatment has high strength at the optimum water content and in the immersion test it behaves as large swelling, decreasing strength and very bad water stability.