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| 研究生： |
許立昇 Li-sheng Hsu |
|---|---|
| 論文名稱： |
坡地建築物之穩定性研究 Stability Analysis Building on Hillside |
| 指導教授： |
鄭蘩
Van Jeng 李咸亨 Hsien-Heng Lee |
| 口試委員: |
黃慶東
none 陳瑞華 none |
| 學位類別： |
碩士 Master |
| 系所名稱： |
工程學院 - 營建工程系 Department of Civil and Construction Engineering |
| 論文出版年： | 2009 |
| 畢業學年度： | 97 |
| 語文別： | 中文 |
| 論文頁數： | 286 |
| 中文關鍵詞： | 坡地建築 、穩定性 、安全因數 、傾倒 、滑動 、承載 |
| 外文關鍵詞： | stability analysis, building on hillside, safety factor, over tending, slide, bearing |
| 相關次數： | 點閱：172 下載：2 |
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一般平地房屋結構之設計，其下部結構通常是為剛性體，坡地房屋結構則必須考慮下部結構受到側向土壓力之影響，但因規範並無明文規定，故設計工程師憑著自己的經驗做設計，甚至比照平地結構作設計，實際上坡地建築物之穩定性，是需要做檢核的。
本研究採用靜力分析與擬動態分析兩種方法，利用各種不同土壤性質、結構尺寸及樓層等相關參數，在不同震區，設計地震力參照建築物耐震設計規範並同時加入擋土牆設計及土壤承載力計算之概念，探討在非地震與地震下，坡地結構其三種破壞機制之檢核(傾倒、滑動與土壤承載力檢核)，將分析所得到之合格率(OK)與不合格率(NG)的結果加以統計。
研究成果：
1.須檢核坡地結構在地震作用下之穩定性
2.地震下坡地結構之傾倒與土壤承載力之破壞機率較滑動者高
3.地震下砂土層上之坡地結構其滑動破壞機率較粘土層高
4.地震下坡地結構之結構寬度越窄越不穩定
5.地震下坡地結構之樓層越高越不穩定
6.10F以上結構寬度無延伸較有延伸不穩定
For building structural design, the underground part was usually considered as rigid body. However, for building structure on hillside, the underground part design should include the lateral earth pressure as loading. Currently, there is no clear regulation about this in the design codes, therefore engineers are designing according to their own experience or even design the same way as the structure is on the plain.
Static and pseudo seismic loading are applied on the hillside structure for stability analysis about the failure of overturning, sliding, and bearing. Different soil types, structure sizes, building story, seismic zones are parameters considered. The safety ratio of the all analysis results are used for assessing the overall stability of hillside buildings.
For the hillside structures, the results are:
1.The stability analysis on the hillside structure under earthquakes should be mandated.
2.The probability of failure for the hillside structure on overturning is higher than on sliding.
3.The probability of failure for the hillside structure on sand type soil is higher than on clay type soil.
4.The probability of failure for the hillside structure with small base width is higher than with large base width.
5.The probability of failure for the hillside structure with more height is higher than with less height.
【1】 Brooker, E.W.,and Ireland, H.O.(1965).”Earth Pressure at Rest Related to Stress History,”Canadian Geotechnical Journal, Vol.2,No.1
【2】 Coulomb, C.A.(1776). Essai sur Application des Maximis et Minimum à quelques Problemes de Statique Relatifs à l’Architecture, Mem.Acad.Roy.des Sciences, Paris Vol.3.
【3】 Jaky, J.(1944).”The Coefficient of Earth Pressure at Rest,”Journal for the Society of Hungarian Architects and Engineers, October
【4】 Meyerhof, G. G.(1953).”The Bearing Capacity of Foundation Under Eccentric and Inclined Loads,”Proceedings, Third International Conference on Soil Mechanics and Foundation Engineering, Zürich
【5】 Terzaghi, K.,and Peck, R.B.(1967).Soil Mechanics in Engineering Practice,Wiley,New York.Zhu, D.Y.,and Qian, Q.(2000).”Determination of Passive Earth Pressure Coefficient by the Method of Traingular Slices,”Canadian Geotechnical Journal Vol.37,No.2.
【6】 Rankine, W. M. J.(1857).”On Stability on Loose Earth,” Philosophic Transactions of Royal Society, Londin, Part I.
【7】 「建築物耐震設計規範與解說」，2006，內政部營建署。
【8】 「建築物基礎構造設計規範」，2001，內政部營建署。
