ELECTRON-MICROSCOPIC AND X-RADIOGRAPHIC STUDY OF SOILS TO CLARIFY STRUCTURAL ALTERATIONS DURING THE SHEARING PROCESS

ELEKTRONENMIKROSKOPISCHE UND ROENTGENOGRAPHISCHE UNTERSUCHUN G VON BOEDEN ZUR KLAERUNG DER STRUKTURAENDERUNGEN BEIM SCHER VORGANG

IN THE COURSE OF ROAD CONSTRUCTION PROJECTS THERE ARE INCREASING INSTANCES OF MORE OR LESS SEVERE SLIDES ON THE SLOPES OF CLAY SOILS. SINCE, IF ZONES PRONE TO SLIDING CAN BE DETERMINED AT AN EARLY DATE, MEASURES FOR AVOIDING THE SLIDE ZONES CAN BE INITIATED AT THE DESIGN STAGE, THE CLARIFICATION OF THE STRUCTURE OF THESE SOILS IS AN ECONOMIC NECESSITY. THE RESEARCH WILL STUDY THE CAUSES OF LOSS OF STRENGTH IN SLIDE-PRONE CLAY SOILS DURING THE SHEARING PROCESS BY MAKING THE ALTERATION IN THE STRUCTURE VISIBLE USING ELECTRO-MICROSCOPIC AND X-RADIOGRAPHIC METHODS.