Author: Knight, A J
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Knight, A J
The CHAIRMAN said everyone in the room had very much enjoyed the description of the apparatus. He was quite sure a number of those present wanted to speak and ask questions. He had himself made a number of notes; he was afraid it would take the rest
of the evening if he attempted to go through them. He must say he had been very much impressed personally with the very useful work that was going on at the laboratory. He wasure the Institution of Structural Engineers would welcome the very kind invitation they had received from Dr. Stradling, and hoped that during the course of the early summer, or perhaps a little later, they would be able to arrange a visit for members to see over the laboratory. He was sure this would add very much to their own knowledge, and he hoped they would he able to contribute somewhat to the work which was going on under Dr. Stradling's care.
My real purpose here is to ask the Institution of Structural Engineers for help and when I have made clear what the work of the Building Research Station means-especially in its application to industry-I trust this help will be forthcoming.
Dr. R.E. Stradling
There are many old ideas which have been exploded in recent years, and one of them is
that it is necessary to aerate cement to make it slow setting; the usual method used to be to lay the cement out on a dry floor for a month or so. This is quite unnecessary with modern cements, as the time of setting is arranged during the manufacture, and the sooner the cement is used after delivery has been made, the better. Professor Duff Abrams made a series of experiments over 4 1/2 years, showing the effect of storage of cement under various conditions. Cement stored in a shed in the laboratory yard, gave an average strength ratio for the ages at which the tests were made:-
G. McLean Gibson