台灣位處於地震頻繁帶，近來如1999年集集地震、2016年美濃地震所造成的災害發現，台灣地區地下埋藏管線易因斷層效應而發生嚴重破壞甚至引起二次破壞，尤以台灣地區活動斷層甚多，其中以具高速度脈衝、地表大位移等特性的近斷層地震更具威脅性。故目前學者們致力於研究探討近斷層對於地埋管線之分析模擬與後續對應之補強技術，透過Abaqus有限元素軟體建立數值模型進行模擬斷層剪切破壞管線結構性行為檢討，期望能提供評估與補強技術給國內工程師參考。
本論文根據國家地震工程研究中心(NCREE)所進行之法蘭接頭系列管線，進行靜力側推模擬及實際輸入地震波做斷層剪切試驗模擬，擷取法蘭接頭及管線的尺寸與材料屬性，使用有限元素軟體Abaqus建立數值模擬分析模型，模擬法蘭接頭在地下埋藏時通過斷層的情境，分別採取靜力分析與動力分析，其中針對如何建立適當的網格元素與模型以有效模擬其勁度、強度、破壞模式及非線性行為等詳加研討，希望可研擬目前國內耐震設計規範之不足，並促進對應既有地埋管線補強工法的研發，最後統整模擬獲得的動態行為與相關資料，探討管線與土壤相關行為之分析技術與實務需求，供後續地震工程科技對於地埋管線結構物受震反應時之研究使用。

In view of recent years, for example the earthquake damage caused by the Chi-Chi Earthquake in 1999 and the 2016 Meinong Earthquake found that underground buried pipelines in Taiwan area are prone to subjected to serious damage or even secondary damage due to fault effects. Especially in Taiwan, there are many active faults, including Near-fault earthquakes with high velocity pulses and large surface displacements are more threatening. Therefore, scholars are currently devoted to research and analysis of near-fault analysis and simulation of buried pipelines and subsequent corresponding reinforcement technology. Abaqus finite element software is used to establish a numerical model to review the structural behavior of simulated fault shear failure pipelines. For domestic engineers.
This paper extracts the properties of flange and pipelines based on the repeated load test and triaxial shaking table test of flange joint series members conducted by the National Earthquake Engineering Research Center (NCREE), and uses the finite element software Abaqus to establish a numerical simulation analysis model. Simulating the situation of flange passing through faults when buried, static analysis and dynamic analysis are adopted respectively, in which how to establish appropriate elements to effectively simulate their stiffness, strength, failure mode and nonlinear behavior. After discussion, I hope that we can study the lack of current domestic seismic design specifications, and promote the research and development of existing buried pipeline reinforcement engineering methods. Finally, the demand is for the subsequent research and application of seismic engineering technology on the seismic response of buried pipeline structures.

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