Study of slope stabitity with numerical analysis- A case study of Mt Houshanyue

• Main Authors: Yi-Min Cheng, 鄭逸民
• Other Authors: 陳水龍
• Format: Others
• Language: zh-TW
• Published: 2011
• Online Access: http://ndltd.ncl.edu.tw/handle/z3cu8z

碩士 === 國立臺北科技大學 === 土木與防災研究所 === 99 === Taiwan is a land of complex geology and varied terrain. Slope accounts for more than two-thirds of the total area of the densely populated Taiwan. The stability of slope is far worse than plain land. Slope hazardous factors are not more than poor geological conditions, concentrated rainfall, complex groundwater, riverbank erosion, and earthquake. The concentrated rainfall is the main hazard factor. As an island, the major rainfall sources are typhoon and monsoon rain. Due to global climate changes, it becomes increasingly difficult to predict the climate. Each typhoon brings about rainfall above records. However, rainfall increases the level of groundwater. This study analyzed the relationships between slope stability, groundwater level, and slope failure as well as the damage trend. With Mt. Houshanyue in Wenshan District, Taipei as an example, this study used the finite element PLAXIS software to analyze the damage trend and the damage behavior model. Mt. Houshanyue in Wenshan District of Taipei produced landslides in 2009. Due to the complex geology and bordering on Taipei as a representative of the surrounding mountainous regions, this study used the numerical analysis to discuss the relationship between geology and groundwater level.