School of Petroleum Engineering;
China University of Petroleum(East China);
Qingdao 266580;
China;
Department of Infrastructure Engineering;
The University of Melbourne;
Parkville VIC3010;
Australia;
School of Civil Engineering;
Qingdao University of Technology;
Qingdao 266520;
China;
suction caisson; adhesive contact; cyclic loading; strain softening; clay;