Report of the Science Standing Committee on the "Rusting of steel inside a concrete covering"

A circular letter was issued at the beginning of 1909 by the Concrete Institute, asking for the results of experience and examination on the question of whether rusting of steel takes place when covered by concrete. The letter was sent to 1,000 engineers and others engaged in concrete construction, namely-to members of the Concrete Institute, 560; to municipal surveyors and engineers,96; to engineers of joint water boards and sewerage boards,25; to dock engineers, 38; to railway engineers, 94; to various contractors and others who use concrete, 187-total, 1,000. The letter is given in Appendix I.