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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/100767


    Title: 半圓頂型屋蓋結構表面平均風壓係數設計值之探討
    Other Titles: Design Values of Mean Pressure Coefficients for Domed Roofs
    Authors: 羅元隆;Lo, Yuan-Lung;孫濤;Sun, Tao;李家豪;Lee, Chia-Hou;鄭啟明;Cheng, Chii-Ming
    Contributors: 土木工程學系暨研究所
    Keywords: 圓頂型屋蓋結構;表面風壓係數;高跨比;分區;Domed roof;External pressure coefficient;Height-span ratio;Zoning
    Date: 2015-03-01
    Issue Date: 2015-03-12
    Publisher: 中華民國結構工程學會
    Abstract: 大跨徑屋蓋結構為現今社會常見的結構型態之一,具有大空間且多功能的特性。依照我國建築物耐風設計規範中定義,此類結構物高寬比多偏小,應可歸類為低矮建物。然而由於跨度大且材質輕的特性,屋蓋表面受風壓分佈影響甚鉅,一般不建議以簡易計算方式給定設計風力載重,而另行於規範中表列其表面風壓係數設計值提供給工程師參考。本研究進行以探討各國規範於大跨徑屋蓋結構中,半圓頂型屋蓋結構表面平均風壓係數的設計值為主,輔以風洞實驗結果,進而探討目前國內規範應對於此類結構型態之表面風壓係數設計值作何修正或建議,並提出本研究於未來規範修訂之建議方案。由初步的風洞實驗結果與各國規範設計值之比較可看出,除了表面風壓特性應具有分區概念(Zoning concept)以外,屋蓋結構的高跨比(f/D)與底座高跨比(h/D)對於分區之影響亦應列入規範修訂考量。
    Relation: 結構工程=Structural Engineering 30(1),頁93-111
    Appears in Collections:[土木工程學系暨研究所] 期刊論文

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