摘要
弯箱梁桥是近几年来高速公路和高架桥上使用较多的一种桥型.由于其结构特点,其设计计算非常繁杂,工作量非常大.本文通过对72个圆心角为30度两跨连续弯箱梁桥模型在偏心支承的影响下内力的分析,导出偏心矩、桥梁跨长与内力的经验公式,以供工程师在设计中参考.
Curved box-girder bridge is one type of bridges often used on expressways and flyovers extensively for recent years. Because of its structural features, but its design caculation it too complicated, moreover, the design work is very time consuming, This text, through the internal forces analysis of 72 curved box-girder bridge modles with two spans under the influence of eccentric support, lead out the experience formula between internal forces and bridge span,eccentricity of support, in order that engineers are able to control the selection of the design parameters while doing the design work.
出处
《河南科学》
2005年第6期826-828,共3页
Henan Science
基金
河南省自然科学基金资助项目(50178064)
关键词
弯箱梁桥
内力
偏心支承
curved box-girder bridge
internal forces
eccentric support
