To raise efficiency and economic benefits of stone materials grade matching in industrial equipment,an image processing method is proposed to inspect ratio of large and small stones in mixed stone materials and to regulate ratio of stone materials of coutinuous charging equipment.

On the Stuffing and Construction of Graded Gravel for Transition Zone in the High Speed Rail Bridge;

Through a great many of field experiment and comparison, we get economic, rational graded gravel and the mix ratio for bedding facing, work out a full set of constructional process plan, and quality control and check procedure.

The transition section graded broken stone construction technology;

The quality control points of graded broken stone foundation;

Analysis of continuous dynamic monitoring on vibrating compaction process of graded broken stone;

Characteristics of the modulus and distortion of the graded aggregate material;

Working performance and evaluation index of fly-ash graded aggregates

At the same time, the structure( 5cm asphalt pavement surface + 15cm graded aggregate.