鸭绿江界河公路大桥主桥桥型方案比选
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摘要
鸭绿江界河公路大桥是连接朝鲜的跨国性重要工程,结合桥址处实际工程条件,选取双塔双索面钢箱梁斜拉桥[跨径布置为(86+229+636+229+86)m,采用现浇H形桥塔]和双塔双索面钢-混结合梁斜拉桥[跨径布置为(87+228+636+228+87)m,采用现浇倒Y形桥塔]2种桥型方案进行比选。采用平面杆系程序桥梁博士V3.2.0分别建立2种方案的有限元模型,按整体成型对桥梁成桥阶段及运营阶段进行整体受力分析,并对2种方案的施工便利性、耐久性及经济性进行对比分析。分析结果表明,钢箱梁斜拉桥结构受力较优,且其施工便利、工期较短、抗震性能好,因此该桥最终确定采用五跨双塔双索面钢箱梁斜拉桥方案。
The Yalu Boundary River Highway Bridge is an important international project connecting China and DPR Korea.In the light of the actual project conditions at the bridge site,two proposed bridge types for the main bridge of the bridge were compared,i.e.a steel box girder cable-stayed bridge with double pylons and double cable planes(the span arrangement being(86+229+636+229+86) m and the pylons being the H-shape concrete structures to be cast in situ) and a steel and concrete composite girder cable-stayed bridge with double pylons and double cable planes(the span arrangement being(87+228+636+228+87) m and the pylons being the inverted Y-shape concrete structures to be cast in situ).The plane link program Doctor Bridge V3.2.0 was used to respectively set up the finite element models for the two bridge types,the global mechanical behavior of the two bridges at completion and operation stages were analyzed and the construction convenience,durability and economy were analyzed as well.The results of the analysis show that the structural mechanical behavior of the steel box girder cable-stayed bridge is more advantageous,the construction is more convenient,the construction time schedule is shorter and the seismic performance is better and therefore the box girder bridge having 5 spans,double pylons and double planes is finally selected.
The Yalu Boundary River Highway Bridge is an important international project connecting China and DPR Korea.In the light of the actual project conditions at the bridge site,two proposed bridge types for the main bridge of the bridge were compared,i.e.a steel box girder cable-stayed bridge with double pylons and double cable planes(the span arrangement being(86+229+636+229+86) m and the pylons being the H-shape concrete structures to be cast in situ) and a steel and concrete composite girder cable-stayed bridge with double pylons and double cable planes(the span arrangement being(87+228+636+228+87) m and the pylons being the inverted Y-shape concrete structures to be cast in situ).The plane link program Doctor Bridge V3.2.0 was used to respectively set up the finite element models for the two bridge types,the global mechanical behavior of the two bridges at completion and operation stages were analyzed and the construction convenience,durability and economy were analyzed as well.The results of the analysis show that the structural mechanical behavior of the steel box girder cable-stayed bridge is more advantageous,the construction is more convenient,the construction time schedule is shorter and the seismic performance is better and therefore the box girder bridge having 5 spans,double pylons and double planes is finally selected.
引文
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[9]同济大学土木工程防灾国家重点实验室.鸭绿江大桥抗风性能数值分析研究[R].上海:2011.(State Key Laboratory for Disaster Reduction in CivilEngineering,Tongji University.Numerical Analysisand Study of Wind Resistant Performance of Yalu Riv-er Bridge[R].Shanghai:2011.in Chinese)
[10]上海船舶运输科学研究所.船舶撞击力和防撞设施研究[R].上海:2011.(Shanghai Ship and Shipping Research Institute.Re-search of Ship Collision Forces and Ship Collision Pre-vention Facilities[R].Shanghai:2011.in Chinese)
[2]彭德运,彭晔丹.苏通大桥主桥设计与施工[J].现代交通技术,2007,(4):34-38.(PENG De-yun,PENG Ye-dan.Design and Construc-tion of Main Bridge of Sutong Bridge[J].ModernTransportation Technology,2007,(4):34-38.inChinese)
[3]陈炜,张德平.武汉二七长江大桥结构体系方案研究[J].桥梁建设,2011,(1):1-4,9.(CHEN Wei,ZHANG De-ping.Research of Structur-al System Schemes for Wuhan Erqi Changjiang RiverBridge[J].Bridge Construction,2011,(1):1-4,9.in Chinese)
[4]胡明义,黄冰释,余俊林,等.鄂东长江公路大桥设计关键技术[J].桥梁建设,2011,(5):64-68.(HU Ming-yi,HUANG Bing-shi,YU Jun-lin,et al.Key Techniques for Design of Edong Changjiang RiverHighway Bridge[J].Bridge Construction,2011,(5):64-68.in Chinese)
[5]张晓勇,肖海珠,徐伟.郑州黄河公铁两用桥连续钢桁结合梁施工设计[J].中国铁路,2010,(7):47-49.(ZHANG Xiao-yong,XIAO Hai-zhu,XU Wei.Con-struction Design of Continuous Composite Steel TrussGirder of Zhengzhou Huanghe River Rail-cum-RoadBridge[J].Chinese Railways,2010,(7):47-49.inChinese)
[6]交通运输部天津水运科学研究所.中朝鸭绿江界河公路大桥通航净空尺度及技术要求论证研究[R].天津:2011.(Tianjin Research Institute for Water Transport Engi-neering,the Ministry of Transport.DemonstrativeStudy of Navigational Clearance Dimensions and Tech-nical Requirements of China-Korea Yalu Boundary Riv-er Highway Bridge[R].Tianjin:2011.in Chinese)
[7]同济大学土木工程防灾国家重点实验室.中朝鸭绿江界河公路大桥主桥钢箱梁方案施工图设计阶段抗震性能研究报告[R].上海:2011.(State Key Laboratory for Disaster Reduction in CivilEngineering,Tongji University.Study Report of Seis-mic Performance of Proposed Steel Box Girder forMain Bridge of China-Korea Yalu Boundary RiverHighway Bridge at Stage of Construction Drawing De-sign[R].Shanghai:2011.in Chinese)
[8]辽宁地震科技有限公司.中朝鸭绿江公路大桥工程场地地震安全性评价[R].沈阳:2011.(Liaoning Seismic Science and Technology Co.,Ltd.Evaluation of Seismic Safety of Site of China-KoreaYalu Boundary River Highway Bridge Project[R].Shenyang:2011.in Chinese)
[9]同济大学土木工程防灾国家重点实验室.鸭绿江大桥抗风性能数值分析研究[R].上海:2011.(State Key Laboratory for Disaster Reduction in CivilEngineering,Tongji University.Numerical Analysisand Study of Wind Resistant Performance of Yalu Riv-er Bridge[R].Shanghai:2011.in Chinese)
[10]上海船舶运输科学研究所.船舶撞击力和防撞设施研究[R].上海:2011.(Shanghai Ship and Shipping Research Institute.Re-search of Ship Collision Forces and Ship Collision Pre-vention Facilities[R].Shanghai:2011.in Chinese)
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