富官庄段DK~DK二级公路设计
FuGuan Zhuang Secondary Road Design
目录
1绪论 .............................................................. 5 1.1设计资料 .................................................... 1 1.2 主要设计内容................................................ 1 2道路技术等级的确定 ................................................ 1 3 路线平面设计...................................................... 2 3.1平面线形技术指标 ............................................ 2 3.2平曲线设计 .................................................. 3 3.3 平曲线要素计算.............................................. 3 4路线纵断面设计 .................................................... 7 4.1纵断面设计技术指标 .......................................... 7 4.2竖曲线设计 .................................................. 8 4.3竖曲线要素计算 .............................................. 8 5路基设计 ......................................................... 10 5.1路基横断面设计指标 ......................................... 10 5.2路基填土高度设计 ........................................... 11 5.3 路基超高计算............................................... 11 5.4视距验算 ................................................... 13 5.5合成坡度验算 ............................................... 14 5.6路基稳定性验算 ............................................. 15 5.7 路基路面排水设计........................................... 19 6沥青路面设计： ................................................... 19 6.1 公路等级及主要技术指标的确定............................... 19 6.2 路面结构设计计算........................................... 20 6.3 路面结构组合与材料选取..................................... 23 7边坡防护 ......................................................... 29 7.1边坡防护工程要求： ....................................... 29 7.1拱型骨架护坡： ........................................... 29 7.3棱形骨架护坡 ............................................... 29 7.4浆砌片石护坡 ............................................. 30 8挡土墙设计 ....................................................... 30 8.1工程概况及设计条件 ......................................... 30
8.2墙身构造设计及截面尺寸拟定 ................................. 31 8.3挡土墙基础形式及尺寸拟定 ....................................... 31 8.4车辆荷载的计算 ................................................. 31 8.5土压力计算 ..................................................... 34 8.6 挡土墙稳定性计算............................................... 35 9涵洞设计 ......................................................... 37 9.1径流计算 ....................................................... 37 9.2圆管涵设计 ..................................................... 38 9.3荷载计算 ....................................................... 39 9.4管壁弯矩计算 ................................................... 40 9.5荷载组合 ....................................................... 40
9.6强度验算 ....................................................... 40 9.7裂缝宽度验算 ................................................... 41 9.8地基应力验算 ................................................... 41 参考文献........................................................... 42 致谢............................................................... 43 附录............................................................... 43 附件
contents
1 Introduction 1 1.1 design data 1
1.2 mostly design substance1
2Determine the technical grade of the road 3flat surface design of the line
3.1 flat surface qualification of the line 3.2 The flat curve design
3.3The elements calculation of the flat curve 4 vertical section design of the line
4.1the qualification design of vertical section of the line 4.2 vertical curve design 7
4.3 The elements calculation of the vertical curve 5 subgrade design 9
5.1The design index of cross section of subgrade 9 5.2 the subgrade design of the depth of fill 11 5.3 the calculation of subgrade superelevation 11 5.4the check of the stopping sight distance 5.5 the check of the resultant gradient
5.6 the check of the stability of the subgrade
5.7the drainage design of the subgrade and pavement 18 6 asphalt pavement design: 19
6.1 Determining the rank and the main technical indexes of the road 6.2 pavement structure design 19
6.3 assembling the pavement structure and selection pavement material 7 slope protection 29
7.1 the requirements of theslope protection engineering 7.2 the skeleton slope protection of arch type : 29 7.3 the skeleton slope protection of prism type29
7.4 the skeleton slope protection of mortar rubble type 8 retaining wall design 30
8.1 engineering survey and design conditions 30
8.2 the design of the structure and size of the wall 8.3the design of the foundation type and size of the wall 8.4 The calculation of vehicle load 33 8.5the calculation of earth pressure
8.6the stability calculation of The retaining wall
9 culvert design 38
9.1 runoff calculation 38
9.2 circular pipe culvert design 39 9.3 load calculation 40
9.4 the calculation of the wall bending moment 41 9.5 the combinations of load 41 9.6 checking the strength of 41 9.7 checking the crack width 42 9.8 checking the foundation stress 42Reference
43Acknowledgements 44Appendix 45attachment
富官庄二级公路设计
作者：刘帅 10级桥渡专业 指导老师：路桂华 职称：讲师
设计内容简介：本设计是富官庄二级公路（沥青路面）设计，该路段全长2713.828m,设计车速为60km/h。此次设计的主要内容有路线设计、路基路面设计、支挡构造物设计等。本设计首先通过收集相关资料，依据地形图内容，选定最优方案进行平面设计，纵断面设计，横断面设计；其次根据路线设计部分的成果进行路基稳定性验算，路面排水设计，路面结构设计。本文分别给出了上述各部分的相关计算过程、表格和图纸。
关键词：二级公路，路线设计，路基路面设计，挡土墙设计，涵洞设计
FuGuan Zhuang Secondary Road Design
Author：Liu Shuai grade 2010 of Specialty in road, bridge and
river-crossing engineering