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Posted: Thu Dec 07, 2017 8:53 am Post subject: Concreting bottom slab of OHT [ 3200 kl @25m staging] in a single pour
We in Chhattisgarh are in the process of concreting the bottom slab [ 28 m dia, 0.32 m thick .] of an OHT with 25 m staging.
The issue is whether casting the slab [ 190 cum] in one pour by using RMC and concrete pumps gives us any advantage apart from avoiding any construction joints.
Which otherwise are inevitable in case we use one lift having box volume of 0.2 cum.In that case the concreting will go on for at least 7-8 days with numerous breaks after day breaks.
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