紫下大桥安全检测与评价方法研究
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摘要
钢桥因具有跨径大、承载能力强、施工工期短等特点,被世界各国广泛采用,但在使用过程中,由于重载甚至超载车辆的反复作用、自然灾害的侵袭及交通事故等人为因素的作用,经常造成桥梁损伤和局部破坏,导致桥梁承载能力和耐久性的降低,甚至影响到运营的安全。本文建立了钢拱桥的健康检测和安全评价方法,采用防腐涂层厚度测定、结合强度测定、无损探伤和动静载荷试验等手段对紫下大桥健康状况进行了检测,采用不确定层次分析法对大桥进行了安全评价,提出了处理意见和措施,为既有钢拱桥的健康检测、评价和维护积累了有益的资料。
Steel arch bridge had been used abroad in most country because of larger span,higher capacity,faster construct.The steel arch bridge will endure the over loading,nature disaster and traffic accident time after time.It will be damaged all or part at evert turn.So bridge capacity is lowered,hence effects the safety of it.This paper establishs the steel arch bridge health diagnosis and safety evaluation method and inspects the health condition to Zixia steel arch bridge by the method of anti-corrosion coat thickness mensurate,combined intensity mesurate,Non-destructive test,dynamic and static state load test etc.In the mean time,it had evaluated the Zixai steel arch bridge safety using the method of uncertain analytical hierarchy process and brought forward the disposal idea and measure.Meanwhile it accumulates useful materials to inspect and estimate steel arch bridge.
Steel arch bridge had been used abroad in most country because of larger span,higher capacity,faster construct.The steel arch bridge will endure the over loading,nature disaster and traffic accident time after time.It will be damaged all or part at evert turn.So bridge capacity is lowered,hence effects the safety of it.This paper establishs the steel arch bridge health diagnosis and safety evaluation method and inspects the health condition to Zixia steel arch bridge by the method of anti-corrosion coat thickness mensurate,combined intensity mesurate,Non-destructive test,dynamic and static state load test etc.In the mean time,it had evaluated the Zixai steel arch bridge safety using the method of uncertain analytical hierarchy process and brought forward the disposal idea and measure.Meanwhile it accumulates useful materials to inspect and estimate steel arch bridge.
引文
[1]王立勇,李武,姜凤连,等.大跨径公路钢桁梁桥防腐设计分析[J].公路,2005,(1):125-131.Wang L Y,Li W,Jiang F L,et al.Anti-corrosiondesign and analysis of large stride highway bridgesteel girder[J],Highway,2005,(1):125-131.
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[10]童寿兴,商涛平.拱桥拱肋钢管混凝土质量的超声波检测[J].无损探伤,2002,24(11):464-467.Tong S X,Shang T P.Ultrasonic defect on concretefilled steel tube arch rib[J].Non-destructive Test,2002,24(11):464-467.
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[12]潘绍伟,叶跃忠,徐全.钢管混凝土拱桥超声波检测研究[J].桥梁建设,1979,(1):32-35.Pan S W,Ye Y Z,Xu Q.Study of ultrasonic detectiontechniques for concrete filled steel tube arch bridge[J].Bridge Construction,1979,(1):32-35.
[13]梁鸣,刘沐宇,冯仲仁.钢管混凝土超声波检测与评价试验研究[J].武汉理工大学学报,2001,23(12):44-46.Liang M,Liu M Y,Feng Z R.Study of ultrasonic de-tection and evaluation for the deficiency recognition ofconcrete-filled steel Tube[J].Journal of Wuhan Uni-versity of Technology,2001,23(12):44-46.
[14]王浩,乔建东,郭刚,等.茅草街大桥主桥的地震反应分析[J].防灾减灾工程学报,2003,23(3):62-65.Wang H,Qiao J D,Guo G,et al.Seismic responsespectrum analysis of Maocaojie Bridge[J].Journal ofDisaster Prenvention and Mitigation Engineering,2003,23(3):62-65.
[15]楼梦麟,范么清,叶爱君.苏通大桥初设阶段主桥场地地震反应计算[J].防灾减灾工程学报,2007,27(4):429-435.Lou M L,Fan Y Q,Ye A J.Computation of site seis-mic response for Sutong Bridge in preliminary designphase[J].Journal of Disaster Prenvention and Mitiga-tion Engineering,2007,27(4):429-435.
[16]鲁光银,熊瑛,朱自强.公路隧道坍塌灾害治理效果的GPR检测技术[J].防灾减灾工程学报,2007,27(2):178-182.Lu G Y,Xiong Y,Zhu Z Q.Technology of detectingthe disposal effect of collapse hazards in road tunnelby using GPR system[J].Journal of Disater Preven-tion and Mitigation Engineering,2007,27(2):178-182.
[2]王世潜,张铮,王毅,等.钢结构桥梁防腐蚀工艺研究[J].中国市政工程,2003,103(3):40-44.Wang S Q,Zhang Z,Wang Y,et al.A study on anti-corrosion technology of steel structural bridge[J].China Municipal Engineering,2003,103(3):40-44.
[3]高妙珍.渭河大桥钢管拱表面防腐技术[J].青海交通科技,2003,(4):45-46.Gao M Z.Steel arch surface anti-corrosion technologyof weihe bridge[J].Qinghai Traffic Science and tech-nology,2003,(4):45-46.
[4]易伦雄.钢结构桥梁防腐涂装体系的选择[J].桥梁建设,1999,(1):68-70.Yi L X.The choice of corrosion protection systems forsteel structural bridges[J].Bridge Construction,1999,(1):68-70.
[5]杜存山,王淑霞.我国铁路钢桥的防腐蚀涂装[J].腐蚀与防护,2004,25(1):24-28.Du C S,Wang S X.Methods for improving coatings ofrailway steel bridges in china[J].Corrosion&Pro-tection,2004,25(1):24-28.
[6]吴斌,李隆涛,王秀彦,等.基于超声波技术对钢杆表面缺陷的无损检测研究[J].工程力学,2003,20(5):149-155.Wu B,Li L T,Wang X Y,et al.Non-destructive testof a surface defect on a steel bar based on ultrasonicguided wave techniques[J].Engineering Mechanics,2003,20(5):149-155.
[7]朱金颖,陈龙珠,严细水.混凝土受力状态下超声波传播特性研究[J].工程力学,1998,15(3):111-117.Zhu J Y,Chen L Z,Yan X S.Ultrasonic pulses be-havior in concrete during compressive loading[J].En-gineering Mechanics,1998,15(3):111-117.
[8]文国华.哑铃型钢管砼拱肋应用超声波检测砼质量的探讨[J].中南公路工程,2003,28(1):94-96.Wen G H.Discussion on quality inspection of dumb-bell-shaped arch ribs of steel-pipe concrete using ul-trasonic method[J].Central South Highway Engi-neering,2003,28(1):94-96.
[9]刘清元.基于超声波法的拱桥钢管混凝土拱肋密实性检测[J].无损探伤,2004,28(2):13-15.Liu Q Y.Non-destructive test of steel arch bridgebased on ultrasonic guided wave techniques[J].Non-destructive Test,2004,28(2):13-15.
[10]童寿兴,商涛平.拱桥拱肋钢管混凝土质量的超声波检测[J].无损探伤,2002,24(11):464-467.Tong S X,Shang T P.Ultrasonic defect on concretefilled steel tube arch rib[J].Non-destructive Test,2002,24(11):464-467.
[11]童寿兴,商涛平.超声波检测拱桥的拱肋钢管混凝土质量[J].桥梁建设,2002,(4):22-24.Tong S X,Shang T P.The quality evaluation ofconcrete filled steel tube arch rib using ultrasonicwave method[J].Bridge Construction,2002,(4):22-24.
[12]潘绍伟,叶跃忠,徐全.钢管混凝土拱桥超声波检测研究[J].桥梁建设,1979,(1):32-35.Pan S W,Ye Y Z,Xu Q.Study of ultrasonic detectiontechniques for concrete filled steel tube arch bridge[J].Bridge Construction,1979,(1):32-35.
[13]梁鸣,刘沐宇,冯仲仁.钢管混凝土超声波检测与评价试验研究[J].武汉理工大学学报,2001,23(12):44-46.Liang M,Liu M Y,Feng Z R.Study of ultrasonic de-tection and evaluation for the deficiency recognition ofconcrete-filled steel Tube[J].Journal of Wuhan Uni-versity of Technology,2001,23(12):44-46.
[14]王浩,乔建东,郭刚,等.茅草街大桥主桥的地震反应分析[J].防灾减灾工程学报,2003,23(3):62-65.Wang H,Qiao J D,Guo G,et al.Seismic responsespectrum analysis of Maocaojie Bridge[J].Journal ofDisaster Prenvention and Mitigation Engineering,2003,23(3):62-65.
[15]楼梦麟,范么清,叶爱君.苏通大桥初设阶段主桥场地地震反应计算[J].防灾减灾工程学报,2007,27(4):429-435.Lou M L,Fan Y Q,Ye A J.Computation of site seis-mic response for Sutong Bridge in preliminary designphase[J].Journal of Disaster Prenvention and Mitiga-tion Engineering,2007,27(4):429-435.
[16]鲁光银,熊瑛,朱自强.公路隧道坍塌灾害治理效果的GPR检测技术[J].防灾减灾工程学报,2007,27(2):178-182.Lu G Y,Xiong Y,Zhu Z Q.Technology of detectingthe disposal effect of collapse hazards in road tunnelby using GPR system[J].Journal of Disater Preven-tion and Mitigation Engineering,2007,27(2):178-182.
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