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The Structural Engineer, Volume 66, Issue 4, 1988
Support of slabs in cavity wall construction In November, Mr J. M. Golding described the dilemma of how one might achieve the satisfactory support of concrete slabs in the inner skin of a cavity wall, allowing for the Code provisions relating to the cover of reinforcement. Mr E. A. F. Robinson has provided a sketch of how he sees the forces acting on the inner skin, and proposes a solution to the problem of the corrosion protection of the reinforcement. Verulam
All concrete structures expand and then contract because of the evolution of the heat of hydration and consequent rise and fall in temperature. If the contraction from the peak temperature is restrained, tensile stresses are induced which can cause cracking. The present investigation aims to reproduce site conditions for early thermal cracking within the laboratory in order to provide accurate data that can assist in the control of such cracking in practice. The validity of the theoretical analyses and the theory as assumed in BS 8007 are also checked againsthe experimental results. Professor B.P. Hughes and A.T. Mahmood