反应位移法在埋地腐蚀管线抗震分析中的应用
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辽宁省教育厅项目(L2015035);大连市科技计划项目(2014E13SF145)


Application of the Response Displacement Method to the Aseismic Analysis of Corroded Buried Pipeline
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    摘要:

    埋地管线作为油、气、水等的传输载体,是地下工程的重要设施之一。埋地管线特别是金属管线容易发生腐蚀现象,在地震灾害的影响下,含有腐蚀缺陷的管线容易发生泄漏和断裂事故,造成巨大的资源浪费和环境污染等损失。因此埋地腐蚀管线抗震性能研究的重要性也越发凸显。本文以埋地腐蚀管线为研究对象,探索管线腐蚀深度、宽度、腐蚀位置和腐蚀管线埋深等腐蚀参数对管线抗震性能的影响,旨在为管线的安全性和实用性提供理论参考,对管线是否继续使用、维护或更换和安全生产提供指导,以及为管线的抗震设计提供基础研究。本文运用反应位移法在有限元软件ANSYS上实现各参数下的埋地腐蚀管线的地震响应分析。

    Abstract:

    As the transmission carriers of oil, gas, and water, buried pipelines are one of the important facilities in the field of underground engineering. With the increased usage of buried pipelines, those that are under the influence of transport medium as well as the soil and loading environment, especially metal pipelines, are prone to corrosion. After a major earthquake, a pipeline with existing corrosion defects can be prone to leakage and fracture accidents, resulting in a huge waste of resources, environmental pollution, and even the death of humans and animals. Therefore, research on the seismic performance of buried corrosion pipelines has become increasingly important. This paper examines buried pipelines and explores the impacts of pipeline corrosion depth, corrosion width, and corrosion location on the seismic performance of the buried pipelines. The purpose is to provide a theoretical reference for the safety and practicability of pipelines; provide guidance on the continued use, maintenance or replacement and safety of pipelines; and provide data to encourage further research on the seismic design of pipelines. This paper takes the actual project as the background and then analyzes the buried pipeline response under different parameters in the finite element software ANSYS using the seismic response displacement method.

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王桂萱,方林超,赵杰.反应位移法在埋地腐蚀管线抗震分析中的应用[J].地震工程学报,2017,39(1):1-7. WANG Gui-xuan, FANG Ling-chao, ZHAO Jie. Application of the Response Displacement Method to the Aseismic Analysis of Corroded Buried Pipeline[J]. China Earthquake Engineering Journal,2017,39(1):1-7.

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  • 收稿日期:2015-06-02
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  • 在线发布日期: 2017-03-20