Pdf: Aci Sp 4 Formwork For Concrete

When constructing high-rise slabs, loads from newly placed concrete must be distributed down through partially cured floors below. SP-4 contains the widely used “reshores and backshores” design methods, preventing collapse during sequential floor construction. The PDF version includes clarity on the number of levels of shores and reshores required for a given slab thickness and concrete strength gain.

Explains what every formwork drawing must include: dimensions, locations of ties, blocking, camber, and pour sequence. Poor drawings are a leading cause of formwork collapse. ACI SP 4 Formwork For Concrete Pdf