The Structural Engineer > Archive > Volume 70 (1992) > Issues > Issue 9 > Design of Shear Reinforcement Against Punching
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Design of Shear Reinforcement Against Punching

This paper examines the design methods for providing resistance against punching shear, generally concerning the strength requirement for transfer of the load from a flat slab to the supporting column or from a column to its base. The BSI committee B/525/2 (CSB39 as it was then called) had expressed concern about the present design method given in BS 8110: Part 1 : 1985 for providing resistance against punching shear in reinforced concrete slabs. As a result, an examination was carried out, based on a test programme funded jointly by the Department of Environment and the British Cement Association (BCA). The conclusions of this examination have assisted in reviewing the punching shear clauses given in BS 8110: Part 1: 1985*. The results of this exercise have also been used for recommending a revision to the clauses given in the Eurocode 'DD ENV 1992-1-1: 1992 Eurocode 2: Design of Concrete Structures Part I (General rules and rules for buildings)'. This BSI document is expected to be available soon, and it will include a National Application Document providing in formation and additional recommendations necessary for its use in the UK during its prestandard (ENV) stage. P.S. Chana and S.B. Desai