1、 I 摘要摘要 某二级公路公路建设对沿途地区的经济发展起着很大的作用。本路线途经山岭 重丘区,本着安全、经济、实用、美观的原则,对该路段进行施工图设计。 某二级公路施工图设计是在所在地区的地形、地质、气候的影响下,按照设计规 范进行的。本次设计的内容有:平面线设计、纵断面设计、横断面设计。平面线设计 包括纸上选线、定线,圆曲线、缓和曲线参数设定,直线设计等;纵断面设计包括拉 坡、竖曲线设计等,超高的设定一满足了设计要求的 8%之内,在竖曲线设计时,应 注意行车视距和视线诱导问题即满足“平包纵” ,合成坡度也要满足规范要求;横断 面设计时,使行车更加舒适,为确保道路的使用年限,在路段上还做了防护
2、和排水设 计。排水设计包括路基排水和路面排水,路面设计又有边沟设计和截水沟设计和路拱 排水。 施工图是工程的重要组成部分,可以使道路的实用性和经济性得到更好的保证, 同时,也要求道路的美观性和实用性、经济性相结合。 关键词关键词:施工图;路基设计;平面;横断面;纵断面; II AbstractAbstract Working properly to hope second class highway is the national highway go toward medium of a main trunk line, to work properly the economic devel
3、opment of hope the region to rise very big function.This route goes by way of the heavy area of hillock of mountain range, being in the light of the safety, economy, practical, the principle of the beauty, carry on the construction to the roads segment diagram design. Working properly to hope the hi
4、ghway construction diagram design is under the influence of the geography, geology, weather of the place region, carrying on according to the design norm of.A contents for design have:The flat surface line design, vertical section design, cross section design, block the soil wall design and the engineering quantity calculations and grounds square dispensation.The flat surface line the design includes the paper select line, settle line, a curve, the mitigation curve parameter enactment, strai