Based on the experiment data of stone dust suppression of propagation of coal dust continuous explosion at DMT research institute of Germany,this paper studies the problems such as,partial inertia effect of stone dust with one time explosion and repeated explosion of coal dust.

Effects of compactness and water Yellow-River alluvial silt content on its mechanical behaviors;

Study on the workability of silt from seashore under cyclic loading effect;

Test study on post-liquefaction deformation behavior of silt ground;

Large scale shaking table test study on liquefaction of saturated silty soil;

Electrical resistivity feature of saturated silty soil in Yellow River estuarine area and its engineering geology application;

Experimental researches on Poisson’s ratio of silty soil based on local and whole deformation measurements;