Construction of Friction Pile Cast in situ

Construction of friction pile is in deep foundation. where commonly use to support high rise building, dam, bridge, So watch carefully to see sequence of work how to done it. email: obbeyan AT gmail DOT com music which i choose from (Knockdown and Rebuild with Porter Davis) by porter Davis thanks for my youtube teacher where i learn about animation (Advanced Call Out Titles in After Effects) by Maxwell Ridgeway