Abstract: This chapter discusses structural design of concrete. Guidance on the use of concrete in building and civil engineering structures, other than for bridges and liquid retaining structures, is given in BS 8110 Structural use of concrete. The design of reinforced concrete gives recommendations for concrete elements contained in routine construction. In previous codes of practice, the the design of reinforced concrete members was based on either elastic theory or load factor theory. The fundamental difference between the two methods is the application of safety factors: for elastic analysis, they were applied to the material stresses and for load factor analysis, they were applied indirectly to the loads. Limit state philosophy acknowledges that there can be variation in both the loads and the materials. Therefore, in limit state analysis, partial safety factors are applied separately to both the loads and the material stresses. The strength of the materials actually used in construction can vary from the specified strength for a number of reasons. Therefore, in ultimate limit state design, the basic or characteristic strength of a material is modified by a partial safety factor to give the ultimate design strength.
Publication Year: 1990
Publication Date: 1990-01-01
Language: en
Type: book-chapter
Indexed In: ['crossref']
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