difference between unconfined and undrained strength Post date Home › Forums › Engineering › Geotechnical › difference between unconfined and undrained strength This topic has 0 replies, 1 voice, and was last updated 5 years ago by atuter. Viewing 1 post (of 1 total) Author Posts August 31, 2018 at 2:42 pm #182 atuterKeymaster sometimes the questions gives qu and takes cohesion as half of it. it defines qu as the unfonfined compressive strength. shouldnt they say undrained? instead of unconfined? what is the difference between unconfined and undrained strength? Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In → Earthwork