In push out technique each unit in cast directly against the ____________

In push out technique each unit in cast directly against the ____________ Correct Answer Previous unit

Segments of the bridge super structure are cast at site in lengths of 10-30m in stationary forms located behind the abutments and each unit is cast directly against the previous unit and after the concrete attains the desired strength the new unit is joined to the previous unit by post tensioning and the assembly of units is pushed forward in a step wise manner to permit casting of the succeeding segments.

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