Evaluating the factors for shore selection in multi-storey building construction

The safety of the structure during construction depends on the load transfer mechanism from slab to shore making these components important in the horizontal formwork system. The data has been collected from India and the selection criteria for single and multi-leg shores for horizontal formwork system has been developed using the principal component analysis. This has extracted five factors in case of single-leg shores selection: (1) Shore characteristics, (2) Convenience in shore placement, (3) Cost of shore, (4) Availability of shore in required quantity, (5) Reusability of shore; and seven factors for multi-leg shores selection: (1) Tower shore characteristics, (2) Intrinsic characteristics of tower shore, (3) Availability of tower shore in required quantity, (4) Ease of shore placement, (5) Shore connection and installation equipment, (6) Cost of shore and (7) Reusability of shore. The ranking of these factors has been computed using analytical hierarchy process making it useful to the decision makers in the shore selection.