西安市阎良区石川河城区段综合整治工程 (阎富交界至咸铜铁路桥段) 自 行 车 道 施 工 方 案 编制: 审核: 审批: 九冶建设石川河项目部 二Ο一五年九月十七 目录 一、编制依据............................................................................................ 1 二、编制原因............................................................................................ 1 三、线路选择............................................................................................ 1 3 .1 坡度平缓、曲线优美 ........................................................................ 1 3 .2 尽可能减少与溪流、已建道路交叉 ................................................ 1 3 .3 尽量减少移栽树木及灌木 ................................................................ 2 四、施工项目概况.................................................................................... 2 4 .1 普通自行车道结构 ............................................................................ 2 五、施工工艺............................................................................................ 2 5 .1 施工程序 ............................................................................................ 2 5 .2 施工技术措施 .................................................................................... 2 5 .2 .1 测量放线 ......................................................................................... 2 5 .2 .2 清表 ................................................................................................. 2 5 .2 .3 路床施工 ......................................................................................... 3 5 .2 .4 二灰层施工 ..................................................................................... 3 5 .2 .5 路缘石施工 ..................................................................................... 4 5 .2 .6 沥青砼施工 .................................................................