臺灣博碩士論文加值系統

台灣地區頻受颱風的肆虐，每當颱風過境之時不乏出現建築物相關帷幕牆破壞案例。本研究採用東京工藝大學風洞實驗之風壓系數歷時資料，以高層建築物帷幕牆之固定系統的鋼制螺栓為例，主要探討颱風對高層建築物所造成平均疲勞破壞指數的模擬。藉(Kumar,1997)所提電腦模擬法產生特性相似的資料取代原始資料，藉縮尺轉換得實場資料並換算得應力資料，以雨流法建立應力與週期的關係及材料的載重壽命曲線，Palmgren-Miner計算法求得在破壞線性累積假設下的實際解。第二種是用風洞實驗數據之特性參數以及材料的載重壽命曲線，藉縮尺轉換得實場資料並換算得應力資料，由Rayleigh估計法求得隨機過程呈高斯窄頻假設下的公式解，運用頻寬修正項與非高斯修正項得適用廣泛的公式解。

Taiwan Region frequency of the raging typhoon, whenever the transit of typhoon appears quite relevant building curtain wall damage case. The study process with Tokyo University wind tunnel wind pressure factor experiments lasted for information to high buildings curtain wall of the fixed system of steel and bolt, main explore typhoon for high-rise buildings fatigue failure caused by average index simulations. With (kumar,1997) of computer simulation method produces characteristics similar information replaces the original information to enable the zoom scale conversion of real-farm data and converting it to rain stress data flow established stress and cycle and the relationship between material life of load curve, palmgren-miner calculation seek to undermine linear cumulative assumptions about the actual. The second is the wind tunnel test data and material parameters of the characteristics of the load life curve with zoom feet conversion of real-farm data conversion to stress and information provided by the estimated rayleigh Law process is a random Gaussian narrowband assumes that the formula that use bandwidth correction in conjunction with the non-Gaussian correction is applied to a wide range of formulas.

摘 要 I
ABSTRACT II
誌 謝 III
目 錄 IV
符號索引 VII
圖目錄 IX
表目錄 XI
第一章 緒 論 1
1.1 研究動機與目的 1
1.2 章節架構 2
第二章 風的基本特性及所採用風洞實驗資料之特性分析 3
2.1 風速的特性 3
2.2.1 指數剖面 4
2.2.2 對數剖面 4
2.2.3 不同地況之風速估計 4
2.2.4 基本設計風速 5
2.2 颱風的介紹 6
2.3 所採用風洞實驗資料之特性分析 7
第三章 以風壓係數歷時求疲勞破壞指數 20
3.1 螺栓的耐風設計與檢核 20
3.2 疲勞破壞指數的計算 24
3.3.1 載重壽命曲線 24
3.3.2 雨流計數法 25
3.3.3 Palmgren-Miner計算法 27
3.3 風壓係數歷時的模擬 27
3.3.4 載重壽命曲線 28
3.3.5 雨流計數法 28
3.3.6 Palmgren-Miner計算法 30
第四章 平均疲勞破壞指數之解析解 32
4.1 平均疲勞破壞指數的解析解 32
4.2 解析解的頻寬修正項 33
4.2.1 Wirsching-Light頻寬修正法 34
4.2.2 Ortiz-Chen頻寬修正法 34
4.2.3 Benasciutti-Tovo頻寬修正法 35
4.2.4 Benasciutti-Tovo頻寬改良修正法 35
4.2.5 Benasciutti頻寬修正法 36
4.3 解析解的非高斯修正項 36
4.3.1 Winterstein非高斯修正法 36
4.3.2 Winterstein非高斯改良修正法 37
第五章 結論與建議 39
7.1 結論 39
7.2 建議 40
參考文獻 42

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