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島根大学農学部研究報告 Volume 23
published_at 1989-12-21
監査廊のパイプクーリングの最適位置の検討について
A Study on Optimum Position of Pipe-Cooling in Fill-Dam Gallery
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Descriptions
Pipe-cooling is usually used for reducing thermal stress in fill-dam gallery. Sensitivity analysis can ask for the position of pipe-cooling. The elements which influence thermal cracking at both shoulder and arch crown were picked out on the result of sensitivity analysis, i.e., influence coefficient to thermal stress. As a result, the difference between the optimum position and the actually placed position is a little, and the optimum position shows closely spacing near the lower part of crown.
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