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Loads applied on a suspended slab

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tngv752

Structural
Sep 16, 2004
91
My friend ask me to review a structural drawing of 3 storey residential concrete building.
The building structure include reinforced concrete (RC) column, wall and suspended RC slab (200mm thick) for each storey.
The applied load for suspended concrete slab design include self weight, imposed dead load (1.5KPa) and live load (1.5KPa). However, during the construction, the concrete slab formwork will transfer the upper floor load of 200mm thick concrete (apprxo. 5KPa) and construction live load (1KPa-4KPa) onto the lower floor. The design load (dead=1.5KPa and Live=1.5KPa) is much lower than the construction load.
My question is:
The formwork designer will provide the full temporary props below the lower floor to carry all the load from upper floors ?

 
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Yes, somebody will need to provide falsework (and possibly reshoring, depending on construction sequence) to carry the upper floor and construction loads past the suspended slab and to another structure strong enough for that load (e.g. the grade slab).

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