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  3. 1) timber formwork and shoring support a cast-in-p

1) Timber formwork and shoring support a cast-in-place concrete slab during curing. The 9 inch concrete...

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Civil Engineering

1) Timber formwork and shoring support a cast-in-place concreteslab during curing. The 9 inch concrete slab is placed on the ¾inch plywood supports that are supported by 2 x 4 joists spaced 16inches apart. 4 x 6 stringers spaced 36 inches apart support thesejoists. The shores directly underneath the stringers are 4 x 4 andare spaced at 5 ft intervals along the stringers. The lumber is No.2 Douglas Fir Larch. The concrete has a specific weight of 150 pcfand a construction live load of 50 psf. Limit all deflection tol/360. [Weight of forms, estimated = 7.5psf]

You are asked to:

1. Check the joist spacing of 16in.                                                 

2. Check the stringer spacing of 36in.                                           

3. Check shoring space of 5 ft along thestringer.                         

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