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Conclusions Adopted the French Commission in Reference to Tests of Cements - The Influence of Sea Water on Hydraulic Mortars by William Michaelis

Conclusions Adopted

the French Commission in Reference to Tests of Cements - The Influence of Sea Water on Hydraulic Mortars by William Michaelis

Published October 9th 2007
ISBN : 9781406782554
Paperback
76 pages
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1. Conclusions adopted by the French Commission in reference to Tests of Cements. 2. The Influence of Sea Water on Hydraulic Mortars. By Dr. William Michaelis. 3. The Influence of Sea Water on Hydraulic Mortars. By Union of German Portland CementMore1. Conclusions adopted by the French Commission in reference to Tests of Cements. 2. The Influence of Sea Water on Hydraulic Mortars. By Dr. William Michaelis. 3. The Influence of Sea Water on Hydraulic Mortars. By Union of German Portland Cement Manufacturers. 4. The Influence of Sea Water on Hydraulic Mortars. By E. Candlot. These papers contain information of great value to officers of the Corps of Engineers, and Irecommend that authoritybe granted tohave them printed at the Government Printing Office in one volume, and that five hundred copies be obtained for the use of the Engineer Department, upon the usual requisition. Very respectfully, your obedient servant, JOHN M. WILSON, Brig. Gen., Chief of Engineers, United States Army. Hon. R. A. ALGER, Secretary of War. Approved. By order of the Secretary of War First indorsement. WAR DEPARTMENT, April 9, 1897. 3 371950 JOHN TWEEDALE, Chief Clerk. CONTENTS. Page. 1. Conclusions adopted by the French Commission in reference to Tests of Cements 7 2. The Influence of Sea Water on Hydraulic Mortars. By Dr. William Michaelis 37 3. The Influence of SeaWateron HydraulicMortars. ByUnionof German. Portland Cement Manufacturers 63 4. The Influence of Sea Water on Hydraulic Mortars. By E. Candlot 69 5 CONCLUSIONS ADOPTED BY THE FRENCH COMMISSION IN REFERENCE TO TESTS OF CEMENTS. INTRODUCTION. A technical commission having for its object to formulate uniform rules to be followed in testing construction materials and to determine the units which should be assumed for a basis of com- parison was constituted under the direction of the ministry of public works of France by a decree of November 9, 1891. That decree specifically instructed one of the two sections of the com- mission, Section B, to make a study of the questions relating to materials of construction other than metals. At the first meeting, presided overby Inspector General GuillemainDecember 28, 1891, a certain number of members were formed into a committeewhich proceeded tomake investigations and experiments and to formulate conclusions. That committee confined itself to a study of the methods of testingmasonry materials, namely, cements, limes, poz- zuolanas, sands, and plasters. Those studies were the object of its deliberations during twenty-nine meetings held between the 28th of December, 1891, and the 5th of May, 1893, at the ministry of public works, and most of the questions arising in the course of the discussion were submitted to the study of a subcommittee, then treated in special reports. The labors of- the committee were finally communicated to the members of the section, which, at its meeting on May 8, 1893, definitely adopted the conclusions to be submitted to the full commission. The present report has for its object to sum up those conclusions in a methodical order and to give as succinctly as possible the considerations which led to their adoption. GENERAL CONSIDERATIONS. 1. CHOICE OF TESTS...