MATRIC SUCTION CHARACTERISTICS OF UNSATURATED

RESIDUAL SOILS AT THE NAKETIYA LANDSLIDE SITE

T. Ratnajothy

(1), U.G.A. Puswewala

(2) , and S.A.S. Kulathilaka

(2)

(1) Senior Engineer, Road Development Authority

(2) Senior Lecturer, University of Moratuwa