摘要:

Five steel-concrete composite beams having an inverted tee shape for fabricated steel section were tested to destruction under static load conditions. Prior to the static test, three of the beams had been subjected to two million cycles of loading. Two of the beams had only half the code-required number of stud shear connectors. It was found that the fatigue performance was satisfactory and all five beams surpassed their computed ultimate moment.

ISSN:0315-1468    

DOI:10.1139/l74-011

出版商:NRC Research Press    

年代:1974

数据来源: NRC

摘要:

Ice problems, leading to partial or almost complete shutdown, have occurred in Lakes Ontario, Erie, and Huron, while diverting water for either domestic or cooling purposes in amounts ranging from 25 to 2500 ft3/s (0.7 to 71 m3/s). All difficulties are initiated by relatively rare combinations of severe weather conditions. The location of an intake in relation to prevailing storm tracks is important, with onshore winds creating most of the problems except those due to frazil. So little published information exists that many designers tend towards incredulity when the problem occurs. Solutions exist and recommendations are provided.

ISSN:0315-1468    

DOI:10.1139/l74-012

出版商:NRC Research Press    

年代:1974

数据来源: NRC