含腐蚀缺陷高钢级输气管道的失效压力模型
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摘要
随着中国不断增长的天然气需求量和天然气管道建设的稳步推进,急需对高钢级管线钢的剩余强度进行评价,其中建立失效压力模型是剩余强度评价中最重要的组成部分。以X100钢级管道为研究对象,使用ABAQUS有限元软件对两种体积型腐蚀缺陷进行有限元建模,利用全尺寸爆破试验数据对模型进行准确性验证。基于35组X100钢级不同尺寸钢管和不同几何缺陷模型的仿真模拟值,采用1stOpt拟合软件构建出X100钢级输气管道的失效压力预测模型,并对构建的拟合计算公式进行误差分析,结合真实爆破试验验证了失效压力模型的准确性。研究结果可为完善现有高钢级输气管道剩余强度评价方法提供参考。
With the continuous increase of natural gas demand and the steady progress of gas pipeline construction in China,it is in urgent need to evaluate the remaining strength of high-grade pipeline steel. And the establishment of a failure pressure model is the most important part to evaluate the remaining strength. In this paper, X100 steel pipe was taken as the research object. ABAQUS finite element software was adopted to carry out finite element analysis on two kinds of volumetric corrosion defects, and the correctness of the model was verified by full-scale blasting test data. Then, based on 35 groups of simulation results of X100 steel pipes of different sizes with different geometric defects, the failure pressure prediction model for X100 high-grade pipeline was established by 1 stOpt fitting software. Finally, error analysis was conducted on the fitting formula, and the accuracy of the failure pressure model was verified by means of the real blasting test. The research results can provide references for improving the existing remaining strength evaluation methods of high-grade gas pipelines.
With the continuous increase of natural gas demand and the steady progress of gas pipeline construction in China,it is in urgent need to evaluate the remaining strength of high-grade pipeline steel. And the establishment of a failure pressure model is the most important part to evaluate the remaining strength. In this paper, X100 steel pipe was taken as the research object. ABAQUS finite element software was adopted to carry out finite element analysis on two kinds of volumetric corrosion defects, and the correctness of the model was verified by full-scale blasting test data. Then, based on 35 groups of simulation results of X100 steel pipes of different sizes with different geometric defects, the failure pressure prediction model for X100 high-grade pipeline was established by 1 stOpt fitting software. Finally, error analysis was conducted on the fitting formula, and the accuracy of the failure pressure model was verified by means of the real blasting test. The research results can provide references for improving the existing remaining strength evaluation methods of high-grade gas pipelines.
引文
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[9]帅健,张春娥,陈福来.基于爆破试验数据对腐蚀管道剩余强度评定方法的验证[J].压力容器,2006,23(10):1-8.SHUAI J,ZHANG C E,CHEN F L.Validation of assessment method for remaining strength of corroded pipeline based on burst test data[J].Pressure Vessel Technology,2006,23(10):1-8.
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[12]ZHANG W W,LI Y,JI L K,et al.Factors of influencing on tensile strength test of high grade pipeline steels[J].Materials for Mechanical Engineering,2010,34(11):31-34.
[13]TANGUY B,LUU T T,PERRIN G,et al.Plastic and damage behaviour of a high strength X100 pipeline steel:Experiments and modelling[J].International Journal of Pressure Vessels&Piping,2008,85(5):322-335.
[14]余付平,朱荣新,王韫江,等.基于ANSYS的管道腐蚀缺陷有限元仿真[J].计算机测量与控制,2009,17(1):151-153.YU F P,ZHU R X,WANG Y J,et al.Simulation of corrosion defects in tubes using finite element method based on ANSYS[J].Computer Measurement&Control,2009,17(1):151-153.
[15]MA B,SHUAI J,LIU D,et al.Assessment on failure pressure of high strength pipeline with corrosion defects[J].Engineering Failure Analysis,2013,32(9):209-219.
[16]何东升,郭简,张鹏.腐蚀管道剩余强度评价方法及其应用[J].石油学报,2007,28(6):125-128.HE D S,GUO J,ZHANG P.Residual strength evaluation method of corroded pipeline and its application[J].Acta Petrolei Sinica,2007,28(6):125-128.
[17]刘长虹,李超,庞富龙,等.基于有限元形状优化夹具结构分析和改进设计[J].工具技术,2014,48(7):49-51.LIU C H,LI C,PANG F L,et al.Based on finite element shape optimization of strength analysis and design improvement in fixture structure[J].Tool Engineering,2014,48(7):49-51.
[18]王予东,肖志刚.在役含缺陷油气管道的安全评价准则[J].油气储运,2013,32(6):587-589.WANG Y D,XIAO Z G.Safety evaluation standards for inservice oil and gas pipelines with defects[J].Oil&Gas Storage and Transportation,2013,32(6):587-589.
[19]马彬,帅健,刘德绪,等.基于有限元法对爆破试验预测埋地管道极限载荷的准确性分析[J].天然气工业,2013,33(6):108-112.MA B,SHUAI J,LIU D X,et al.A finite-element-based analysis of the accuracy in bursting tests predicting the ultimate load of a buried pipeline[J].Natural Gas Industry,2013,33(6):108-112.
[20]CHAUHAN V,BRISTER J.A review of methods for assessing the remaining strength of corroded pipelines:R6781[R].Loughborough:GL Industrial Services,2009:F11-F13.
[21]帅健,张春娥,陈福来.非线性有限元法用于腐蚀管道失效压力预测[J].石油学报,2008,29(6):933-937.SHUAI J,ZHANG C E,CHEN F L.Prediction of failure pressure in corroded pipelines based on non-linear finite element analysis[J].Acta Petrolei Sinica,2008,29(6):933-937.
[22]CHAUHAN V,BRISTER J.Corrosion assessment guidance for high strength steels(Phase 1):R9017[R].Loughborough:GLIndustrial Services,2009:12-15.
[2]王保群,林燕红,焦中良.我国天然气管道现状与发展方向[J].国际石油经济,2013,21(8):76-79.WANG B Q,LIN Y H,JIAO Z L.Status and development direction of China’s natural gas pipeline[J].International Petroleum Economics,2013,21(8):76-79.
[3]李鹤林,吉玲康,田伟.西气东输一、二线管道工程的几项重大技术进步[J].天然气工业,2010,30(4):1-9.LI H L,JI L K,TIAN W.Significant technical progress in the West-East Gas Pipeline projects-Line one and Line Two[J].Natural Gas Industry,2010,30(4):1-9.
[4]张振永,周亚薇,张金源.现行设计系数对中俄东线OD 1 422 mm管道的适用性[J].油气储运,2017,36(3):319-324.ZHANG Z Y,ZHOU Y W,ZHANG J Y.Applicability of current design coefficient to OD 1 422 mm pipelines in ChinaRussia East Natural Gas Pipeline[J].Oil&Gas Storage and Transportation,2017,36(3):319-324.
[5]FOLIAS E S.On the effect of initial curvature on cracked flat sheets[J].International Journal of Fracture,1969,5(4):327-346.
[6]张增昊.体积型缺陷管道评价方法对比分析[J].管道技术与设备,2014(6):53-55.ZHANG Z H.Comparison and analysis about evaluation of pipeline with volume-scale defect[J].Pipeline Technique and Equipment,2014(6):53-55.
[7]帅健,张春娥,陈福来.腐蚀管道剩余强度评价方法的对比研究[J].天然气工业,2006,26(11):122-125.SHUAI J,ZHANG C E,CHEN F L.Comparison study on assessment methods for remaining strength of corroded pipeline[J].Natural Gas Industry,2006,26(11):122-125.
[8]崔铭伟,王媛媛,贺杰,等.相互作用腐蚀管道剩余强度评价方法对比研究[J].表面技术,2016,45(8):56-62.CUI M W,WANG Y Y,HE J,et al.Comparison study on assessment methods for residual strength of interaction corroded pipeline[J].Surface Technology,2016,45(8):56-62.
[9]帅健,张春娥,陈福来.基于爆破试验数据对腐蚀管道剩余强度评定方法的验证[J].压力容器,2006,23(10):1-8.SHUAI J,ZHANG C E,CHEN F L.Validation of assessment method for remaining strength of corroded pipeline based on burst test data[J].Pressure Vessel Technology,2006,23(10):1-8.
[10]WITEK M.Possibilities of using X80,X100,X120 highstrength steels for onshore gas transmission pipelines[J].Journal of Natural Gas Science&Engineering,2015,27:374-384.
[11]MATHIAS L L S,SARZOSA D F B,RUGGIERI C.Effects of specimen geometry and loading mode on crack growth resistance curves of a high-strength pipeline girth weld[J].International Journal of Pressure Vessels&Piping,2013,11(6):106-119.
[12]ZHANG W W,LI Y,JI L K,et al.Factors of influencing on tensile strength test of high grade pipeline steels[J].Materials for Mechanical Engineering,2010,34(11):31-34.
[13]TANGUY B,LUU T T,PERRIN G,et al.Plastic and damage behaviour of a high strength X100 pipeline steel:Experiments and modelling[J].International Journal of Pressure Vessels&Piping,2008,85(5):322-335.
[14]余付平,朱荣新,王韫江,等.基于ANSYS的管道腐蚀缺陷有限元仿真[J].计算机测量与控制,2009,17(1):151-153.YU F P,ZHU R X,WANG Y J,et al.Simulation of corrosion defects in tubes using finite element method based on ANSYS[J].Computer Measurement&Control,2009,17(1):151-153.
[15]MA B,SHUAI J,LIU D,et al.Assessment on failure pressure of high strength pipeline with corrosion defects[J].Engineering Failure Analysis,2013,32(9):209-219.
[16]何东升,郭简,张鹏.腐蚀管道剩余强度评价方法及其应用[J].石油学报,2007,28(6):125-128.HE D S,GUO J,ZHANG P.Residual strength evaluation method of corroded pipeline and its application[J].Acta Petrolei Sinica,2007,28(6):125-128.
[17]刘长虹,李超,庞富龙,等.基于有限元形状优化夹具结构分析和改进设计[J].工具技术,2014,48(7):49-51.LIU C H,LI C,PANG F L,et al.Based on finite element shape optimization of strength analysis and design improvement in fixture structure[J].Tool Engineering,2014,48(7):49-51.
[18]王予东,肖志刚.在役含缺陷油气管道的安全评价准则[J].油气储运,2013,32(6):587-589.WANG Y D,XIAO Z G.Safety evaluation standards for inservice oil and gas pipelines with defects[J].Oil&Gas Storage and Transportation,2013,32(6):587-589.
[19]马彬,帅健,刘德绪,等.基于有限元法对爆破试验预测埋地管道极限载荷的准确性分析[J].天然气工业,2013,33(6):108-112.MA B,SHUAI J,LIU D X,et al.A finite-element-based analysis of the accuracy in bursting tests predicting the ultimate load of a buried pipeline[J].Natural Gas Industry,2013,33(6):108-112.
[20]CHAUHAN V,BRISTER J.A review of methods for assessing the remaining strength of corroded pipelines:R6781[R].Loughborough:GL Industrial Services,2009:F11-F13.
[21]帅健,张春娥,陈福来.非线性有限元法用于腐蚀管道失效压力预测[J].石油学报,2008,29(6):933-937.SHUAI J,ZHANG C E,CHEN F L.Prediction of failure pressure in corroded pipelines based on non-linear finite element analysis[J].Acta Petrolei Sinica,2008,29(6):933-937.
[22]CHAUHAN V,BRISTER J.Corrosion assessment guidance for high strength steels(Phase 1):R9017[R].Loughborough:GLIndustrial Services,2009:12-15.