Transactions and Notes Volume 1-2

Transactions and Notes Volume 1-2

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1909 edition. Excerpt: ...few hours previously from the rotatory kiln. Mr. Reid then took us somewhat in detail through, I was going to say, the more ancient methods of manufacturing cement, but I am rather afraid to mention the word "ancients" after what I have heard to-night. (Laughter.) He pointed out, in regard to clinker obtained from an ordinary kiln, that you could, when you drew the clinker from the kiln, in many instances see the shape, the actual shape of the actual pieces of dried slurry with the tool marks on same made before they were placed in the kiln. I could not quite gather what he said, but I do not know whether he quite realised as I dothat that is the description of clinker which I referred to from time to time, when I spoke of the clinker which is obtained from an ordinary kiln which is not contaminated in any way by the ash from the fuel. Those pieces of clinker to which he refers were no doubt pieces of clinker which were not in actual contact with the fuel, but were burned by the radiating heat from the fuel which was close to them, and which passed through the kiln calcined, but not contaminated in any way by any of the ash from the fuel. Such clinker, if examined, would have been found to contain no less than 64 per cent. of lime. Mr. Reid then referred at some length to the ash having an effect upon the setting time of cement. If gentlemen will refer to my remarks they will see that I did not state that it has effected it to any very great extent, but I put it forward as a possibility that it may have some effect in retarding, to a very slight degree, the setting time of the cement when untreated with retarders, but it n1ost certainly has a very considerable effect in the alteration of the percentage more

Product details

  • Paperback | 232 pages
  • 189 x 246 x 12mm | 422g
  • United States
  • English
  • black & white illustrations
  • 1236831349
  • 9781236831347