-Formwork for the bottom, only to be removed when the concrete reaches the intensity setting.-With the formwork, do not force the formwork in the concrete stage started the security, so the proposed contractor time dismantling formwork is after 24 hours since the end of the concrete pouring work.-The work of dismantling formwork into the method used by the crane barge stood on combining craft.
đang được dịch, vui lòng đợi..
