Author: Adams, Henry
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Adams, Henry
The Structural Engineer, Volume 3, Issue 7, 1925
SOME preliminary experiments were carried out comparing the tensile strength at the end of twenty-eight days of a typical Portland cement with that of a spent shale-lime mixture. The spent shale, which was waste material obtained from the Pumpherston Oil Co., was powdered and treated as a puzzolanic material, being mixed with an equal quality of powdered lime, and then gauged in the ordinary way. Elizabeth H.M. Georgeson
An explanation and an apology is offered by way of introduction to the present paper in that the circumstances under which it has been writtan differed somewhat from those usually obtaining. The author had not discovered some new facts and become seized with a desire to proclaim them, but merely consented to give effect to the suggestions of the Literature Committee of the Institution that a paper on timber construction should be included in the sessional programme. G.A. Gardner
It is gratifying to have the courtesy of the Institution extended, and a vote of thanks tendered for my paper, even though it received so little approval of the points raised. Edward Godfrey