[1151] Construction of an efficient concrete placement system for large diameter caisson piles using concrete containing a superretarder
Keywords:super retarder、 concrete placing jointing、 penetration testing with rodding rod (T type)、 distributer、 large concrete bucket、超遅延性減水剤、打継ぎ処理、突き棒貫入試験(T式)、ディストリビューター、大型バケット