We are currently constructing a 4 floor story building. It has been over 60 days since concrete casting of the second floor slab, The design properties of the heavily reinforced 10" slab is more than safe to carry fresh concrete dead load + dead load of shoring for third floor and construction live loads. We, as the contractor have proven that the third floor slab can be casted only by shoring and no re-shoring required under level 2 slab by calculations and 28 day compressive strength test results of cylinder samples (concrete have achieved more than %100 of design strength in 28days). However, our client is still insisting and ignoring the structural capacity of level 2 slab even after 60 days referring below typical sketch on ACI347. Please share your thoughts and ideas and actions we could take if you had similar experience prior.
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