In Top Down method, vertical concrete elements realization is quite specific and sensitive. Construction methods, equipment, material and environment must be designed and adapted to Top Down constraint. Hence, they had to design a Self Compacting Concrete grade 75 Mpa for the casting of all Vertical concrete elements. It was the first time in Viet Nam, to batch Self Compacting Concrete.
This document is an extract from a large document (203 pages) entitled "Vertical Concrete elements in basement".

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