研究生: |
鄧友福 Dang - Huu Phuoc |
---|---|
論文名稱: |
Excavation Behavior and Adjacent Building Response Analyses Using User Defined Soil Models in PLAXIS. Excavation Behavior and Adjacent Building Response Analyses Using User Defined Soil Models in PLAXIS. |
指導教授: |
林宏達
Horn-Da Lin |
口試委員: |
謝佑明
Y. M. Hsieh 歐章煜 C. Y. Ou 王建智 C. C. Wang |
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: | 英文 |
論文頁數: | 135 |
中文關鍵詞: | 深開挖 、鄰房反應 、使用者定義土體模式 、Plaxis |
外文關鍵詞: | Deep Excavation, Adjacent Building Response, User Defined Soil Model, Plaxis |
相關次數: | 點閱:255 下載:17 |
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Recently, most of deep excavation cases in Taipei were practically analyzed by adopting commercial software called FLAC that was based on finite different method. In order to explore the feasibility of using new analytical software called PLAXIS and also to verify its accuracy, this study used PLAXIS to analyze two deep excavation cases located in Taipei.
To employ advanced soil models that are not available in PLAXIS, user-defined models were developed. The advanced models included hyperbolic model that was developed by Duncan and Chang (1970), and pseudo plasticity model, modified pseudo plasticity that were proposed by doctoral students of NTUST-Taiwan Tech. The validations of the user defined models were performed by utilizing the experimental results of former studies. An excavation case named TNEC was then analyzed to examine the applicability of those soil models in the excavation analysis. Moreover, in order to investigate the interaction of building and a nearby excavation, this study also conducted the building modeling in the second excavation analysis. A previously proposed building simulation method was investigated. More relative factors such as the stiffness and the weight of the building were added to the original approach to investigate the simulation method. Furthermore, in this study, the effect of building location on the behavior of the retaining wall and ground movement was finally examined.
The analytical results exhibited that the user defined soil models incorporated in PLAXIS by this study were reasonable and applicable for the numerical analysis including experimental and excavation simulation. In addition, numerical results indicated that to obtain reasonable prediction of ground settlement, the weight of the building should be taken into account and the stiffness need to be reinvestigated.
Recently, most of deep excavation cases in Taipei were practically analyzed by adopting commercial software called FLAC that was based on finite different method. In order to explore the feasibility of using new analytical software called PLAXIS and also to verify its accuracy, this study used PLAXIS to analyze two deep excavation cases located in Taipei.
To employ advanced soil models that are not available in PLAXIS, user-defined models were developed. The advanced models included hyperbolic model that was developed by Duncan and Chang (1970), and pseudo plasticity model, modified pseudo plasticity that were proposed by doctoral students of NTUST-Taiwan Tech. The validations of the user defined models were performed by utilizing the experimental results of former studies. An excavation case named TNEC was then analyzed to examine the applicability of those soil models in the excavation analysis. Moreover, in order to investigate the interaction of building and a nearby excavation, this study also conducted the building modeling in the second excavation analysis. A previously proposed building simulation method was investigated. More relative factors such as the stiffness and the weight of the building were added to the original approach to investigate the simulation method. Furthermore, in this study, the effect of building location on the behavior of the retaining wall and ground movement was finally examined.
The analytical results exhibited that the user defined soil models incorporated in PLAXIS by this study were reasonable and applicable for the numerical analysis including experimental and excavation simulation. In addition, numerical results indicated that to obtain reasonable prediction of ground settlement, the weight of the building should be taken into account and the stiffness need to be reinvestigated.
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PLAXIS 2D Version 8 manual
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