Taking the lower Lulang river section as an example, the characters of water damage to roadbed along rivers,damage condition of old prevention measures is analyzed in the gorges of southeast of Tibet, and the design method of combining ferroconcrete apron with retaining wall is put forward.

The reinforced effect of steel wire net and steel fiber on the reactive powder concrete(PRC) was studied.

The discussion about the construction technology of steel mesh reinforced concrete mortar method;

the reinforced concrete beams are strengthened using steel mesh spraying high-strength mortar over the outside surface.

Puting up the polyphenol board last bundle of system construction technology of hardware cloth in exposed wall outside heat preservation;