Economy of construction varies from one site to the next, depending on accessibility and availability of material and labour, and of course on the design loading and constraints that may be imposed by other disciplines, such as a restriction on the depth of the structure. It is, therefore, not possible to give a
For reinforced concrete, only the ultimate strength calculations are normally carried out and deflection in the serviceability state is deemed to be satisfied by confining the span-to-depth ratio within limits prescribed in the national standards. Only in rare cases is it necessary to calculate deflections. Crack control is usually governed by deemed-to-satisfy rules for bar spacing.
Economy of construction varies from one site to the next, depending on accessibility and availability of material and labour, and of course on the design loading and constraints that may be imposed by other disciplines, such as a restriction on the depth of the structure. It is, therefore, not possible to give aFor reinforced concrete, only the ultimate strength calculations are normally carried out and deflection in the serviceability state is deemed to be satisfied by confining the span-to-depth ratio within limits prescribed in the national standards. Only in rare cases is it necessary to calculate deflections. Crack control is usually governed by deemed-to-satisfy rules for bar spacing.
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