CHARACTERISTICS OF WATER ROCK INTERACTION OF RED BEDS AND ITS APPLICATION TO ENGINEERING IN SOUTHWESTERN SHANDONG

Jurassic Tertiary red beds, composed of violet or varicolored samdstone and conglomerate, is widely spread in coal bearing basins of southwestern Shandong. By use of many new testing methods, the material composition, pore structure, permeability, expansibility and disintegration of red beds are studied. The effect of red beds on shaft construction and coal mining is disscused.