基于ANSYS的悬索跨越管道地震时程响应分析  被引量:13

APPLICATION OF ANSYS TO SEISMIC TIME-HISTORY RESPONSE ANALYSIS ON CABLE-SUSPENDED PIPELINE BRIDGE

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作  者:高建[1] 王德国[1] 何仁洋[2] 耿岱[1] 

机构地区:[1]中国石油大学机电工程学院,北京昌平102249 [2]中国特种设备检测研究院,北京朝阳100013

出  处:《西南石油大学学报(自然科学版)》2010年第1期155-159,共5页Journal of Southwest Petroleum University(Science & Technology Edition)

基  金:国家科技支撑计划"生命线工程安全保障关键技术研究"(2006BAK02B01)

摘  要:以长庆油田输油一处某悬索跨越管桥为工程背景,应用ANSYS建立分析模型,采用时程分析法进行非线性地震响应分析。按轴向、横向、竖向分别输入地震波,分析结构在三种情况下的受力特点对比,得到不同方向的抗震性能。以三、四类场地地震波为输入,考虑不同地震烈度,一致输入和行波效应下结构关键部位位移、应力值,并用时程曲线直观表达参数随时间的变化。探讨了悬跨管桥在不同地震动情况下的受力特点和规律,找出薄弱环节并提出了改进措施,为地震预防及灾后拯救提供了一种有效途径。The cable-suspended pipeline bridge between Wangyao heating station and Yangshan oil transportation station,Changqing Oilfield,is taken as example,ANSYS is applied to set up analytical model,time-history analysis is used to carry out non-linear seismic response study.Seismic wave is input in axial,transverse and vertical directions respectively to analyze the stress feature of the engineering structure under three types of conditions,the anti-earthquake ability in different directions is obtained.The third and fourth classes sites seismic waves is considered as input,the conditions of different earthquake intensity,displacement and stress value of key structure locations while uniform input and traveling wave effect existing are all taken into consideration,and the time-history curve is used to directly express the change of the parameters as time.The stress feature and law of cable-suspended pipeline bridge under the conditions of different earthquake intensity are probed,the weak points are figured out and corresponding measurement presented.

关 键 词:悬索跨越 管道 地震响应 有限元 仿真 

分 类 号:TE83[石油与天然气工程—油气储运工程] TE88

 

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