PAPERS IN THIS NUMBER PRESSURES IN PENSTOCKS CAUSED BY THE GRADUAL CLOSING OF TURBINE GATES." NORMAN R. GIBSON. PAPERS AND DISCUSSIONS CURRENT IN PROCEEDINGS "Cement Joints for Cast-Iron Water Mains."' CLARK H. SHAW.. Discussion..... .Aug., Progress Report of the Special Committee to Codify Present Practice on Final Report of the Special Committee on Steel Columns and Struts..........Dec., 1917 Feb., 1918 "Verification of the Bazin Weir Formula by Hydro-Chemical Gaugings." FLOYD A. NAGLER... Mar., May, Aug., Nov., "Determination of the Duty of Water by Analytical Experiment." W. C. HAMMATT.... Discussion..... แ ..Feb., .Apr., Oct., Dec., 1918, Mar., 1919 "The Economics of Steel Arch Bridges." J. A. L. WADDELL........ .Mar., 1918 Discussion.... .May, Aug., Sept., Oct., Nov., 1918, Jan., "Construction Methods Used in Building the Lower Reservoir Dam of the Balmorhea Project." VERNON L. SULLIVAN................... "Improving Arch Action in Arch Dams." L. R. JORGENSEN. 44 Discussion........ Emergency Construction Work Due to War Conditions, With Especial "The National Railroad Question of To-Day." FRANCIS LEE STUART Discussion..... "On a New Principle in the Theory of Structures." "The East Canyon Creek Dam." A. F. PARKER. (To be presented May 7th, 1919)..... Mar., PROCEEDINGS OF THE AMERICAN SOCIETY OF CIVIL ENGINEERS (INSTITUTED 1852) VOL. XLV-No. 5 MAY, 1919 Edited by the Secretary, under the direction of the Committee on Publications. Reprints from this publication, which is copyrighted, may be made on condition that the full title of Paper, name of Author, page reference, and date of presentation to the Society, are given. Entered according to Act of Congress, in the year 1919, by the AMERICAN SOCIETY OF CIVIL ENGINEERS, in the office of the Librarian of Congress, at Washington. |