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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 林美聆 | |
dc.contributor.author | Jiun-Fu Chen | en |
dc.contributor.author | 陳俊甫 | zh_TW |
dc.date.accessioned | 2021-06-15T14:01:48Z | - |
dc.date.available | 2017-08-21 | |
dc.date.copyright | 2015-08-21 | |
dc.date.issued | 2015 | |
dc.date.submitted | 2015-08-20 | |
dc.identifier.citation | [1] ArcGIS Desktop Help 10.1(2012). Environmental Systems Research Institute, Inc.
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/51993 | - |
dc.description.abstract | 地球歷史上有許多的案例記載中指出不規則地形的地震波放大效應以及軟弱的地層可能是造成地震破壞的主因之一,例如:1989年Loma prieta地震、1983 年Coalinga 地震、1985 年Chilean 地震以及1987年Supersition Hill等等,藉由量化地震的紀錄後可以知道在一些較陡的地形以及較軟弱的地形中,其地震振幅會放大數倍以上,因此,震波的土層放大效應及地址的地形影響兩者對於地震破壞中之影響是需要去探討研究的。
台灣的地形山多平原少,山地及丘陵及占全島總面積的三分之二,並且位於歐亞大陸板塊與菲律賓海板塊的交接帶,大小地震頻繁,地形的起伏可能會使得強度小的地震在不同的地形被放大,而造成破壞。在本研究中,先利用SHAKE軟體土層之模型進行地震分析,得到在基盤的加速度歷時,再利用FLAC程式進行地震分析。 建立簡化的山峰、山谷模型,從地形上各點的分佈找到地震振幅的放大比率分佈與地震震波的波長之間得相關性,應用於實際案例中。本研究收集在高雄甲仙地震下的南投山區測站的地質環境、地形變化及地震資料等,分出日月潭測站–魚池國小測站、魚池測站–北山國小測站以及暨南大學測站–北山國小測站,三個現地地形剖面進行數值分析模擬,雖然因山區地層資料不足無法完整模擬自然條件,在現地案例中,土層厚度因子仍然具有顯著得影響,而模擬測站則會因為鄰近的地形起伏因子,影響到地震加速度歷時放大比率的變化。 | zh_TW |
dc.description.abstract | There are lots of cases indicating the irregular terrain and the fragile strata might be the major cause of amplification earthquake damage. For instance, the Loma Prieta earthquake in 1986, the Coalinga earthquake in 1983, the Chilean earthquake in 1986, and the Supersition Hill earthquake in 1987. By collecting those seismic records , it shows that in some topography like the steep ones and fragile geologic formation, the seismic amplitude will be enlarged several times. As a result, the amplification of soil and the orographic influence of local sites needed to be explore and research.
Two thirds of its area is mountains and hills in Taiwan. Moreover, locating in convergence Zone of Eurasian Plate and the Philippine Sea plate makes earthquakes occur frequently and the undulate of terrain may cause those low intensity seismicities become stronger which cause damage. In this research I first use SHAKE for getting the acceleration on base for input to FLAC model during simulation. The simplified models of mountain peak and valley were constructed , we can find out the relationship between seismic amplification ratio distribution versus the wavelength of seismic wave. The research collects the geological environment, topography, and seismic data of the Chiahsien earthquake recorded from Nantou mountain stations TCU084–TCU080 , TCU089–TCU142 and TCU148–TCU142 ,and three terrain profiles were used to simulate seismic amplification. In field site case, the thickness of soil still have notable effects on the change of seismic amplification ratio distribution , and the influence by topography nearby also affects simulate on results. | en |
dc.description.provenance | Made available in DSpace on 2021-06-15T14:01:48Z (GMT). No. of bitstreams: 1 ntu-104-R02521124-1.pdf: 8826920 bytes, checksum: 6f10ec8055cca19c9179ed8e30795b73 (MD5) Previous issue date: 2015 | en |
dc.description.tableofcontents | 口試委員審定書 I
誌謝 III 摘要 V Abstract VII 目錄 IX 表目錄 XII 圖目錄 XIII 第一章 緒論 1 1.1研究背景 1 1.2研究動機與目的 1 1.3研究方法與內容 2 第二章 文獻回顧 5 2.1地震放大效應之形態 5 2.2地震反應影響評估 8 2.2.1 歷史災害統計分析法 8 2.2.2 模型試驗法 9 2.2.3 數值分析法 10 2.3連續地形起伏的影響 12 第三章 研究原理以及分析方法 31 3.1波傳原理 31 3.2分析方法 31 3.2.1 一維波傳-SHAKE程式 31 3.2.2 土壤動態參數曲線 35 3.3輸入加速度資料 35 3.4分析流程 36 第四章 土層模型的驗證以及簡化受震模型的建立 45 4.1研究區域介紹 45 4.1.1 研究區域以及地震的選取 45 4.1.2 地質背景 46 4.1.3 材料參數 47 4.2地震資料分析 47 4.2.1 時間域分析 47 4.2.2 反應譜 48 4.2.3 頻率域分析 49 4.3建立FLAC土層模型進行驗證 50 4.3.1 FLAC程式介紹 50 4.3.2 模型模式 51 4.3.3 邊界條件以及網格設定 52 4.3.4 土層模型建立與驗證 53 4.4簡化模型的建立 54 4.4.1 邊坡模型 54 4.4.2 山峰模型 54 4.4.3 山谷模型 57 第五章 現地地形受震案例分析 83 5.1測站地形狀況 83 5.2現地案例資料處理 84 5.2.1 加速度歷時處理 84 5.2.2 現地地形模型建立 85 5.2.3 輸入資料與模型驗證 85 5.3數值模擬結果 86 5.3.1 日月潭氣象站–魚池國小 86 5.3.2 魚池–北山國小 87 5.3.3 國立暨南國際大學–北山國小 88 5.3.4 數值模擬與實際测站比較 90 5.4綜合比較 91 第六章 結論與建議 113 6.1結論 113 6.2建議 115 參考文獻 117 | |
dc.language.iso | zh-TW | |
dc.title | 地形對地表放大效應之影響 | zh_TW |
dc.title | The Effects of Topography on Ground Surface Amplification | en |
dc.type | Thesis | |
dc.date.schoolyear | 103-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 陳天健,王國隆 | |
dc.subject.keyword | 地震,土層放大效應,地形起伏,FLAC,SHAKE, | zh_TW |
dc.subject.keyword | earthquake,soil amplification,topography,FLAC,SHAKE, | en |
dc.relation.page | 121 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2015-08-20 | |
dc.contributor.author-college | 工學院 | zh_TW |
dc.contributor.author-dept | 土木工程學研究所 | zh_TW |
顯示於系所單位: | 土木工程學系 |
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