This article, through indoor experiment and theoretical analysis, studied the pressure-fissurc grouting mechanism, held that the pressure-fissure grouting process are the processes of the ence, deveiopment and linking up by fissures insids the rocks under the stress and grout joint action, it generalized the four principles for pressure-fissure grouting to follow.

Experiment of fracturing grouting in soft flowing mucky clay in Nanjing tunneling construction;

Steel floral tube fracturing grouting technology is adopted in slop reinforcement of Shenzhen Buji eastern and western main-road.

The design method and construction process of fracturing grouting method applied in soft foundation treatment in operating Harbin—Suifenhe railway are introduced in details.

Influence of polypropylene fiber on performance of anti-crack mortar for exterior thermal insulation system;

A kind of new anti-crack mortar was introduced,which is specially based on the construction features,technology and production cost requirements of steel fabric reinforced polystyrene panel inside the concrete wall form used for exterior insulation system.

Surface layer has been done by use of inorganic grain thermal insulation mortar and anti-crack mortar with glass fibre grid to avoid crack on the inorganic thermal layer.

Application of split grouting in anti-seepage consolidation of canals of Guhai Pumping Irrigation Area;

On the application of split grouting to seepage prevention treatment of earth dam;

The application of split grouting in the gravel earth dam;