道路勘察课程设计

1、路 勘 测 设计 说 明 书一、课程设计的目的和任务公路勘测设计课程设计是公路与城市道路专业的实践课。本实践课的主要目的和任务是：（1）、设计文件中原始资料的查询、收集；（2）、 掌握平面设计、纵断面设计、横断面设计中各种设计指标的选取，初步学习各相关规 范的查找及使用。二、课程设计的内容和要求公路勘测设计课程设计的内容：（1）按照地形地物的规定识别道路沿线自然 特征；（2）平面设计一一各种几何参数的选取；（3）纵断面设计一一主要指标的选择； （4）横断面设计一一路幅布置及路拱坡度。由于路基路面工程没有单独的课程设计， 所以本设计还包含一部分路基路面的结构综合设计内容。公路勘测设计课程设计的内

2、容：（1）通过资料查阅和学习了解道路设计的基 本方法；（2）掌握平、纵、横设计之间的关系并学会运用，学会路基路面的结构综合 设计。三、设计资料道路等级：一级设计行车速度：100Km/h地形图：见图四、项目介绍邓王一级公路，里程桩号 K0+000mK3 +3128.8475m ,全长3128.847m。五、地形地貌该地区属冲积平原，地形开阔，地势起伏平缓，沿线河流、排灌沟渠交错，农田 水利设施完善，乡村道路网密集、区域内均为高产农田区。沿途小沟渠较多可采用涵 洞处理。拟建公路沿线地势总体较平坦，沿途多为农田。 K1+480m, K1+940m K2+420,K2+740,K2+760F口 K3+

3、128.8475处地势较低，需进行高填 方，路基采用搅拌桩处治。沿途小沟渠较多可采用涵洞处理。 K0 560m, K1+940m K1+960m K2+420F口K2+820处要求横跨公路，可设置净空为 6m 的通道横跨。K1+6m处有一水塘，须进行填方，路基采用搅拌桩处治。六、道路所在地区的土壤、地质、水文资料、气候（1） 土壤：本段内地层主要由第四系松散沉积层所组成，表层为素填土和粘性土。土质均一,呈硬塑一一半硬塑状(2)地质构造:该地段经历了历史上比较复杂的活动时期，其活动方式在不同的历史时期出现明 显的多样化，整个地区无不良地质现象，工程地质良好。(3)水文：该地区无大的河流，但区段内

4、灌溉沟渠交错，经有关勘探单位检测表明，沿线沟 渠水质良好。沿线有大量地表潜水，地下水一般埋深0.52.5m,并随汛期发生变化地 下水表现为碳酸盐山丘区的岩溶水。(4)气候本地区属暖湿带半湿润季风气候区，海洋型与大陆型过度的气候特征较明显，气候温 和，四季分明，雨量充沛，春秋季短，冬寒夏热，年内夏秋雨季降水的相对集中，易 出现暴雨造成涝灾，其余季节的降雨量偏少，气候区内的年平均气温13.7 0 C,以7、8月份最热，年平均最高气温19.4 0 C,历年的平均最底气温9.1 0 C,年平均最高气温 39.9 0 C,历年的平均最高积雪深度20,最大冻土深度是33,历年平均的无霜期163.5 天，气

5、候区年内的平均降水量884.0,历年的最大年降水量1358.0, 710月份降水相 对集中，区域内常年的主导风向为东北风，历年的平均风速为3.3,最大风速为16.8,8、9月份受台风影响区内空气湿度较大，年平均相对湿度为70流右，最小相对湿度为65%最大相又t湿度为85% 七、 不良地质根据中国地震动参数区划图(GB18306-2001),线路经过区地震基本烈度7度,地震峰值加速度为0.10 g。八、交通量资料该路段交通量组成如下:车型总重前轴重后轴重后轴数前轴数交通量小汽车115200南京NJ-13053.615.338.3111200解放CA-10B80.2519.460.8512800东

6、风EQ-14092.923.769.3121000黄河JN-150150.649101.612800太脱拉138211.451.42X80.0022600以上为实测交通量组成，高速公路交通量年平均增长率为8%2.4 设计规范本设计在设计过程中主要依据以下规范进行设计，分别为(1) 部颁公路工程技术标准(JTGB01-2003(2)部颁公路路线设计规范(JTJ011-97)(3)部颁公路工程地质勘察规程(JTJ061-99)(4) 部颁公路路基设计规范(JTGD30-2004(5) 部颁公路路基施工技术规范(JTJ033-95)(6) 部颁公路沥青路面设计规范(JTGD50-2004一.道路勘测

7、设计1平面设计1.1 定点选线:根据设计任务书及上述选线规则我们小组拟两种路线方案，下图所示一种方案1.2 平面线逐桩坐标计算:定起点BP坐标为( 505400.0000, 4176400.0000),路线如下图:邓王一级公路逐桩坐标表，见附表 1桩号坐标方位角X(m)Y(m)K0+000505400.00004176400.0000340.0426K0+020505418.79894176393.1736340.0426K0+040505437.59794176386.3472340.0426K0+060505456.39684176379.5208340.0426K0+080505475.

8、19584176372.6943340.0426K0+100505493.99474176365.8679340.0426K0+120505512.79364176359.0415340.0426K0+140505531.59264176352.2151340.0426K0+160505550.39154176345.3887340.0426K0+180505569.19044176338.5623340.0426K0+200505587.98944176331.7359340.0426K0+220505606.78834176324.9095340.0426K0+240505625.5873

9、4176318.0830340.0426K0+260505644.38624176311.2566340.0426K0+2805056634302340.0426K0+300505681.98414176297.6038340.0426K0+320505700.78304176290.7774340.0426K0+340505719.58204176283.9510340.0426K0+360505738.38094176277.1246340.0426K0+3805057572982340.0426K0+400505775.97884176

10、263.4717340.0426K0+420505794.77774176256.6453340.0426K0+440505813.57664176249.8189340.0426K0+460505832.37564176242.9925340.0426ZY K0+468,341505840.21604176240.1454340.0426K0+4805058511844340.2335K0+500505870.02194176229.4744340.5609K0+520505888.90084176222.8722340.8883K0+540505907.81704

11、176216.3781341.2157K0+560505926.77014176209.9921341.5431K0+580505945.75934176203.7145341.8705K0+600505964.78414176197.5455342.1979K0+620505983.84384176191.4854342.5253K0+640506002.93794176185.5342342.8527K0+660506022.06564176179.6923343.1801K0+680506041.22644176173.9597343.5075K0+700506060.419741761

12、68.3368343.8349K0+720506079.64484176162.8236344.1624K0+740506098.90104176157.4203344.4898K0+7605061181272344.8172K0+780506137.50464176146.9444345.1446K0+800506156.85074176141.8720345.4720K0+820506176.22544176136.9103345.7994K0+840506195.62824176132.0594346.1268K0+860506215.05844176127.3

13、194346.4542K0+880506234.51534176122.6905346.7816K0+900506253.99844176118.1729347.1090K0+920506273.50694176113.7667347.4364K0+940506293.04044176109.4720347.7638K0+960506312.59804176105.2890348.0912K0+9805063322179348.4186K1+000506351.78344176097.2587348.7460K1+020506371.40994176093.41163

14、49.0734K1+040506391.05804176089.6767349.4008K1+060506410.72724176086.0541349.7282K1+080506430.41674176082.5440350.0556K1+100506450.12604176079.1465350.3830K1+120506469.85444176075.8617350.7104K1+140506489.60124176072.6896351.0378QZ K1+144,381506493.92944176072.0098351.1096K1+160506509.36584176069.63

15、04351.3653K1+1805065296842351.6927K1+200506548.94594176063.8511352.0201K1+220506568.76014176061.1312352.3475K1+240506588.58944176058.5245352.6749K1+260506608.43344176056.0312353.0023K1+280506628.29134176053.6514353.3297K1+300506648.16244176051.3850353.6571K1+320506668.04624176049.232235

16、3.9845K1+340506687.94194176047.1931354.3119K1+360506707.84904176045.2677354.6393K1+380506727.76684176043.4561354.9667K1+400506747.69464176041.7584355.2941K1+420506767.63174176040.1745355.6215K1+440506787.57764176038.7046355.9489K1+460506807.53164176037.3487356.2763K1+480506827.49294176036.1068356.60

17、37K1+500506847.46114176034.9790356.9311K1+520506867.43544176033.9654357.2585K1+540506887.41514176033.0659357.5859K1+560506907.39964176032.2805357.9133K1+580506927.38834176031.6094358.2407K1+600506947.38064176031.0526358.5682K1+620506967.37564176030.6099358.8956K1+640506987.37294176030.2816359.2230K1

18、+660507007.37174176030.0675359.5504K1+680507027.37154176029.9677359.8778K1+700507047.37144176029.98210.2052K1+720507067.37104176030.11090.5326K1+740507087.36954176030.35390.8600K1+760507107.36634176030.71131.1874K1+780507127.36074176031.18281.5148K1+800507147.35214176031.76861.8422K1+820507167.33984

19、176032.46872.1696YZ K1+820,421507167.76074176032.48472.1765K1+840507187.32544176033.22822.1765ZY K1+851.611507198.92834176033.66922.1765K1+860507207.31134176033.97902.0563K1+880507227.30014176034.64671.7699K1+900507247.29204176035.21441.4834K1+920507267.28654176035.68211.1969K1+940507287.28314176036

20、.04990.9104K1+960507307.28134176036.31770.6239K1+980507327.28064176036.48550.3375K2+000507347.28044176036.55330.0510K2+020507367.28044176036.5211359.7645K2+040507387.27994176036.3889359.4780K2+060507407.27864176036.1567359.1915K2+080507427.27584176035.8245358.9051K2+100507447.27114176035.3923358.618

21、6K2+120507467.26404176034.8602358.3321K2+140507487.25404176034.2281358.0456K2+160507507.24064176033.4960357.7592QZ K2+160.074507507.31424176033.4932357.7581K2+180507527.22324176032.6641357.4727K2+200507547.20154176031.7322357.1862K2+2205075677005356.8997K2+2405075875689356.

22、6132K2+260507607.10484176028.3375356.3268K2+280507627.06044176027.0062356.0403K2+300507647.00924176025.5753355.7538K2+320507666.95054176024.0446355.4673K2+340507686.88394176022.4142355.1808K2+360507706.80894176020.6841354.8944K2+380507726.72504176018.8545354.6079K2+400507746.63174176016.9253354.3214

23、K2+420507766.52864176014.8966354.0349K2+440507786.41504176012.7684353.7484K2+460507806.29054176010.5408353.4620YZ K2+468,536507814.77004176009.5599353.3397K2+4805078262302353.3397K2+500507846.02164176005.9106353.3397K2+520507865.88674176003.5909353.3397K2+540507885.75174176001.2713353.3

24、397K2+560507905.61674175998.9516353.3397K2+580507925.48174175996.6320353.3397K2+600507945.34684175994.3123353.3397K2+620507965.21184175991.9927353.3397K2+640507985.07684175989.6730353.3397K2+660508004.94184175987.3534353.3397K2+680508024.80694175985.0337353.3397K2+700508044.67194175982.7141353.3397K

25、2+720508064.53694175980.3944353.3397K2+740508084.40194175978.0748353.3397K2+760508104.26704175975.7551353.3397K2+7805081244355353.3397K2+800508143.99704175971.1158353.3397K2+820508163.86204175968.7962353.3397K2+840508183.72714175966.4765353.3397K2+860508203.59214175964.1569353.3397K2+88

26、0508223.45714175961.8372353.3397K2+900508243.32214175959.5176353.3397K2+9205082631979353.3397K2+940508283.05224175954.8783353.3397K2+960508302.91724175952.5586353.3397K2+980508322.78224175950.2390353.3397K3+000508342.64734175947.9193353.3397K3+020508362.51234175945.5996353.3397K3+040508

27、382.37734175943.2800353.3397K3+060508402.24234175940.9603353.3397K3+080508422.10744175938.6407353.3397K3+100508441.97244175936.3210353.3397K3+120508461.83744175934.0014353.3397K3+128.847508470.62514175932.9752353.3397一般情况下，考虑排水要求，最小纵坡取为0.3%0.5% ;考虑行驶顺适与安全， 控制最大纵坡不超过 4%最短坡长300m；最小竖曲线半径凹形为 4000m,凸形为 1

28、0000m,极限为 6500m.根据竖曲线半径的有关规定，选用竖曲线的半径为凸形8000m ,15000m.凹形为4500m ,5000m竖曲线要素计算公式及示意图如下：竖曲线长度L:L=Rd竖曲线切线长T:1 1,.、T = L =- Reo=i2i1)2 2竖曲线外距E:竖曲线上任一点竖距h:公式中：x竖曲线上任一点至竖曲线起点的距离。对于凸形竖曲线，设计标高=切线高程-h。对于凹形竖曲线，设计标高=切线高程+h。二、横断面设计2.1 交通量资料交通量组成车型总重前轴重后轴重后轴数前轴数父通里 小汽车11500南京NJ-13053.615.338.3111200解放CA-10B80.251

29、9.460.8512800东风EQ-14092.923.769.3121000黄河JN-150150.649101.612800太脱拉138211.451.42X80.0022600以上为实测交通量组成，高速公路交通量年平均增长率为8%各级公路通用的车辆折算系数车型小客车拖挂车大型车折算系数1.51.03.02.0贝U: No -1000 1 (800 800) 2 (1000 1200 600) 1.5 =8400N = M( 1 + r )n-1式中：N -远景设计年限日平均交通量，辆/日；N0-起始年平均日交通量，辆/日；包括现有交通量和道路建成后从其他道路上 吸引过来的交通量；r -交

30、通年增长率( , r =6%n-远景设计年限，n=15采用以小汽车为标准的折算系数，累计交通量为：N=8400X(1+6%)15-1=18991(辆/ 日)。根据公路工程技术标准(JTG B01-2003)可知，四车道的设计交通量为25000 55000辆/日，设计车速为100km/h。本设计中远景设计年限平均日交通量为 18991卒ffl/日，接近25000辆/日，故本设计采用四车道。2.2 行车道宽度根据调查研究及参考国外资料，设计车速100km/h时，车道宽度应为3.75 m2.3 路肩本设计设计车速为120km/h,故硬路肩宽度不得低于3.00 m, 一般采用3.25 m,本设 计拟采

31、用3.5 m硬路肩，土路肩宽度采用0.75 m。2.4 横断面设计指标：本设计为平原微丘区高速公路，路基宽取 26m,其中行车道3.75 m X2,硬路肩宽为 3.5 m, 土路肩为0.75 m。填方边坡为1: 1.5,挖方边坡为1:1,护坡道1米，边沟 采用梯形边沟，沟底宽度取1 m ,沟壁坡度为1: 1。路基标准横断面示意图如下：2.5 路基土石方计算2.5.1 横断面面积计算将横断面按单位横宽划分为若干个梯形、矩形与三角形条块，每个小条块的近似面积分别为S1、S2Sno则横断面的面积为：2.5.2 土石方数量的计算常用的土石方数量的计算方法有平均断面法和棱台法两种，本次计算采用平均断面法

32、,计算方法如下：把两相邻断面均为填方或均为挖方且面积大小相近，则可假定两断面之间为一棱柱如上图，其体积的计算公式为：式中：V体积，即土石方数量(m3);Fi、F2 一分别为两相邻断面的面积(m2);l相邻断面之间的距离(m)。土石方表路基路面课程设计地面 庄标高 丁 (m)设计标 高(m)填挖高(m)横坡(%)路基宽度(m)设计高差(m)中桩填挖 高(m)左右左侧右侧左路边中桩右路边K0+0005.3005.3000.0001.5-2.510.512.5-0.1880-0.2370.000+020.0005.3005.287-0.0131.5-2.510.512.5-0.1880-0.237-

33、0.013+040.0005.3005.275-0.0251.5-2.510.512.5-0.1880-0.238-0.025+060.0005.3005.263-0.0371.5-2.510.512.5-0.1880-0.237-0.037+080.0005.2005.2500.0501.5-2.510.512.5-0.1880-0.2370.050+100.0005.2005.2370.0371.5-2.510.512.5-0.1880-0.2370.037+120.0005.2005.2250.0251.5-2.510.512.5-0.1880-0.2370.025+140.0005.2

34、005.2130.0131.5-2.510.512.5-0.1880-0.2380.013+160.0005.5005.200-0.3001.5-2.510.512.5-0.1880-0.237-0.300+180.0005.1005.1880.0881.5-2.510.512.5-0.1880-0.2370.088+200.0005.2005.175-0.0251.5-2.510.512.5-0.1880-0.237-0.025+220.0005.2005.162-0.0381.5-2.510.512.5-0.1880-0.237-0.038+240.0005.3005.150-0.1501

35、.5-2.510.512.5-0.1880-0.238-0.150+260.0005.4005.138-0.2631.5-2.510.512.5-0.1880-0.237-0.263+280.0005.3005.125-0.1751.5-2.510.512.5-0.1880-0.237-0.175+300.0005.3005.112-0.1881.5-2.510.512.5-0.1880-0.237-0.188+320.0005.3005.100-0.2001.5-2.510.512.5-0.1880-0.237-0.200+340.0005.3005.088-0.2121.5-2.510.5

36、12.5-0.1880-0.238-0.212+360.0005.3005.075-0.2251.5-2.510.512.5-0.1880-0.237-0.225+380.0005.3005.063-0.2371.5-2.510.512.5-0.1880-0.237-0.237+400.0005.2005.050-0.1501.5-2.510.512.5-0.1880-0.237-0.150+420.0005.2005.037-0.1631.5-2.510.512.5-0.1880-0.237-0.163+440.0005.2005.025-0.1751.5-2.510.512.5-0.188

37、0-0.238-0.175+460.0005.2005.013-0.1881.5-2.510.512.5-0.1880-0.237-0.188+480.0005.2005.000-0.2001.5-2.510.512.5-0.1880-0.237-0.200+500.0005.2004.987-0.2131.5-2.510.512.5-0.1880-0.237-0.213+520.0005.2004.975-0.2251.5-2.510.512.5-0.1880-0.237-0.225+540.0005.2004.963-0.2371.5-2.510.512.5-0.1880-0.238-0.

38、237+560.0005.2004.950-0.2501.5-2.510.512.5-0.1880-0.237-0.250K0+5805.0004.938-0.0631.5-2.510.512.5-0.1880-0.237-0.063K0+6005.0004.925-0.0751.5-2.510.512.5-0.1880-0.237-0.075+620.0005.0004.912-0.0881.5-2.510.512.5-0.1880-0.237-0.088+640.0005.0004.900-0.1001.5-2.510.512.5-0.1880-0.237-0.100+660.0004.9

39、004.890-0.0101.5-2.510.512.5-0.1880-0.237-0.010+680.0004.8004.8830.0831.5-2.510.512.5-0.1880-0.2380.083+700.0004.8004.8810.0811.5-2.510.512.5-0.1880-0.2380.081+720.0004.8004.8830.0831.5-2.510.512.5-0.1880-0.2370.083+740.0004.8004.8880.0881.5-2.510.512.5-0.1880-0.2370.088+760.0004.8004.8980.0981.5-2.

40、510.512.5-0.1880-0.2370.098+780.0004.8004.9120.1121.5-2.510.512.5-0.1880-0.2370.112+800.0004.8004.9290.1291.5-2.510.512.5-0.1880-0.2370.129+820.0004.8004.9510.1511.5-2.510.512.5-0.1880-0.2370.151+840.0004.8004.9760.1761.5-2.510.512.5-0.1880-0.2370.176+860.0004.8005.0060.2061.5-2.510.512.5-0.1880-0.2

41、370.206+880.0004.8005.0400.2401.5-2.510.512.5-0.1880-0.2370.240+900.0004.8005.0770.2771.5-2.510.512.5-0.1880-0.2370.277+920.0004.8005.1190.3191.5-2.510.512.5-0.1880-0.2370.319+940.0004.9005.1650.2651.5-2.510.512.5-0.1880-0.2370.265+960.0004.9005.2140.3141.5-2.510.512.5-0.1880-0.2370.314+980.0005.000

42、5.2660.2661.5-2.510.512.5-0.1880-0.2370.266K1+0005.0005.3180.3181.5-2.510.512.5-0.1880-0.2370.318+020.0005.1005.3700.2701.5-2.510.512.5-0.1880-0.2370.270+040.0005.0005.4210.4211.5-2.510.512.5-0.1880-0.2370.421+060.0005.2005.4730.2731.5-2.510.512.5-0.1880-0.2370.273+080.0005.0005.5250.5251.5-2.510.51

43、2.5-0.1880-0.2380.525+100.0005.2005.5770.3771.5-2.510.512.5-0.1880-0.2370.377+120.0005.2005.6290.4291.5-2.510.512.5-0.1880-0.2370.429+140.0005.1005.6800.5801.5-2.510.512.5-0.1880-0.2370.580+160.0005.0005.7320.7321.5-2.510.512.5-0.1880-0.2370.732K1+1805.0005.7840.7841.5-2.510.512.5-0.1880-0.2370.784K

44、1+2005.0005.8360.8361.5-2.510.512.5-0.1880-0.2380.836+220.0005.0005.8880.8881.5-2.510.512.5-0.1880-0.2370.888+240.0005.1005.9390.8391.5-2.510.512.5-0.1880-0.2370.839+260.0005.2005.9910.7911.5-2.510.512.5-0.1880-0.2370.791+280.0005.2006.0430.8431.5-2.510.512.5-0.1880-0.2370.843+300.0005.2006.0950.895

45、1.5-2.510.512.5-0.1880-0.2370.895+320.0005.2006.1460.9461.5-2.510.512.5-0.1880-0.2380.946+340.0005.2006.1980.9981.5-2.510.512.5-0.1880-0.2370.998+360.0005.2006.2501.0501.5-2.510.512.5-0.1880-0.2371.050+380.0005.3006.3021.0021.5-2.510.512.5-0.1880-0.2371.002+400.0005.3006.3541.0541.5-2.510.512.5-0.18

46、80-0.2371.054+420.0005.3006.4051.1051.5-2.510.512.5-0.1880-0.2381.105+440.0005.2006.4571.2571.5-2.510.512.5-0.1880-0.2381.257+460.0005.1006.5091.4091.5-2.510.512.5-0.1880-0.2371.409+480.0004.4006.5612.1611.5-2.510.512.5-0.1880-0.2372.161+500.0005.0006.6121.6121.5-2.510.512.5-0.1880-0.2371.612+520.0005.3006.6641.3641.5-2.510.512.5-0.1880-0.2371.364+540.0005.3006.7161.4161.