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1 79/1 水環系 盧博堅 教授 會議論文 發佈 桁架高塔之風力預估 , [79-1] :桁架高塔之風力預估會議論文桁架高塔之風力預估鄭啟明; 盧博堅; 莊慶隆淡江大學土木工程學系;淡江大學水資源及環境工程學系桁架;風壓;試驗;邊界層流;預測;桁架高塔;Truss;Wind Load;Experiment;Boundarg Layer;Prediction;Truss Tower臺北市:中華民國力學學會中華民國力學學會第十四屆全國力學會議論文集(一)=Proceedings of the 14th National Conference on Theoretical and Applied Mechanics (I),頁611-618中華民國力學學會; 中央大學; 教育部本文以風洞模型實驗方法,探討桁架塔 所受的風力。實驗以桿件型態,實積率,及風向 角為控制參數,探討在均勻流場中二維桁架塔 (長寬比無限長)中單片平面桁架受到遮蔽情形 下之受風力情況,並根據實驗結果建立桁架塔 之風力預估模式。其次本文測試三維平行架塔 (有限高度)在邊界層流場中所受之風力,並與 根據前項經驗公式之預估值進行比較。;This article studied the wind load acting on each latticed frame of a square truss tower under the shielding effect of the other three truss frames. Member cross-section (round, square, angle), solidity ratio and wind attack angle were chosen to be controlled parameters in series of wind tunnel experiments. The results indicated that even under zero attack angle condition, the side frames of a truss tower would cause noticable shielding effect. In other words, estimation of wind loads on truss tower based on the results of two p
2 79/1 土木系 鄭啟明 教授 會議論文 發佈 桁架高塔之風力預估 , [79-1] :桁架高塔之風力預估會議論文桁架高塔之風力預估鄭啟明; 盧博堅; 莊慶隆淡江大學土木工程學系;淡江大學水資源及環境工程學系桁架;風壓;試驗;邊界層流;預測;桁架高塔;Truss;Wind Load;Experiment;Boundarg Layer;Prediction;Truss Tower臺北市:中華民國力學學會中華民國力學學會第十四屆全國力學會議論文集(一)=Proceedings of the 14th National Conference on Theoretical and Applied Mechanics (I),頁611-618中華民國力學學會; 中央大學; 教育部本文以風洞模型實驗方法,探討桁架塔 所受的風力。實驗以桿件型態,實積率,及風向 角為控制參數,探討在均勻流場中二維桁架塔 (長寬比無限長)中單片平面桁架受到遮蔽情形 下之受風力情況,並根據實驗結果建立桁架塔 之風力預估模式。其次本文測試三維平行架塔 (有限高度)在邊界層流場中所受之風力,並與 根據前項經驗公式之預估值進行比較。;This article studied the wind load acting on each latticed frame of a square truss tower under the shielding effect of the other three truss frames. Member cross-section (round, square, angle), solidity ratio and wind attack angle were chosen to be controlled parameters in series of wind tunnel experiments. The results indicated that even under zero attack angle condition, the side frames of a truss tower would cause noticable shielding effect. In other words, estimation of wind loads on truss tower based on the results of two p
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