《大跨径溷凝土斜拉桥桥面铺装力学数值模拟分析-2016.6》.pdf

35 6 V ol35 No6 2 0 0 3 6 JO U RN AL O F HA RBIN IN ST IT U T E OF T ECH NO LO GY Jun e, 2003 1 2 1 徐 伟 , 白海涛 , 张肖宁 ( 1 , 510 641; 2 , 1634 11) : 采用三维有限元分析技术, 对大跨径混凝土斜拉桥桥面铺装体系进行了三 个层 的力学分析, 即: 桥梁结构整体变形对桥面铺装作用; 应用子模型法分析轮载作用下桥面板局部变形特点, 同时与建立的普通 路面结构计算模型弯沉进行对比, 从弯沉角度分析桥面铺装对沥青混凝土的性能要求; 铺装层结构体系内部 受力状态 总结出了大跨径混凝土桥梁桥面铺装受力特点, 粘结层在铺装层体系中的关键作用 : 桥面铺装; 有限元; 子模型法; 斜拉桥 : U 416217 : A : 0367 - 62 34 ( 2003) 04- 0750- 05 Numerical simulation and analysis of bridge deck overlay of long span cable- stayed bridge 1 2 1 XU Wei , BA I H ait ao , ZHA N G X iaoning ( 1 Road Eng ineering Research In stitute, South China U niversity of T echnolog y, Gu angzhou 5 10 64 1, China; 2 Daqing Ref in ing and Chem ical Co mp any, Daqing 1634 11, China) Abstract: T he st ress st at e of the bridge deck overlay of a long span concrete cable- st ayed bridge is ana lyzed f rom t hree levels of view points T he f irst analysis level is t he effect of t he deformat ion of t he whole bridge T he second is t he analysis of the local def orm at ion of bridg e deck under t yre load t hrough submodel ing , A nd the propert y of overlay asph alt is analyzed by com paring t he deflect ion of bridge deck w it h the de f lect ion of ordinary road st ruct ure T he third level is the analysis of int ernal stress st at e of deck overlay T he st ress ch aract er of t he deck overlay of a long span concret e bridg e is summarized, and t he key funct ion of binding course in bridge deck overlay system is then analyzed Key words: bridge deck overlay; f init e element ; sub