优秀交通规划课程设计

1、先通过原单位乘以发生发生特征得到出行发生量。如表11表1-1出行发生量小区编号1234合计1811.25152.510082.81675.817722.321216.85610.511866.41128.619822.331886.047694.414268.81915.225764.444811.28358.56588.4222317981.151115.42702.26115.21128.611061.461994.215297.210064.6547.227903.271385.812526.38899.81265.424077.3合计9220.6457341.6678869883.81

2、44332再通过原单位乘以吸引特征得到出行吸引量。如表1-2表1-2岀行吸引量小区编号12合计114402.568985.723388.26217748.4813977.131725.5832259221753.344345.348051.213298.621349.8511322.8823942.235265.08614133.7613316.327450.0675468.1618691.224159.36合计93719.04113964.4207683.4由于发生与吸弓i总量不相平衡。修正吸弓i原单位。得到新表13.(p117)因为要使所以可推导得到d)=2338&26*14433

3、2/27683.4=16253.94d2=31725.58*144332/27683.4=22048.060=44345.3*144332/27683.4=30818.28d 沪21349.8*144332/27683.4=14837.29ds=35265.08*144332/27683.4=24507.88£=27450.06*144332/27683.4=19076.74d7=24159.36*144332/27683.4=16789.83表1-3出行吸引量小区编号12合计调整后为114402.568985.723388.2616253.94217748.4813977.1317

4、25.5822048.0632259221753.344345.330818.2848051.213298.621349.814837.2951 1322.8823942.235265.0824507.88614133.7613316.327450.0619076.7475468.1618691.224159.3616789.83合计93719.04113964.4207683.4144332如此就得到了出行发生与吸引量。归结成未来出行发生与吸引交通量，如表14所示。表1-4将來的发生与吸引交通量1234567合计(u)117722.3219822.3325764.44417981.15110

5、61.4627903.2724077.3合计(v)16253.942204&0630818.2814837.2924507.8819076.7416789.83144332解毕二.利用平均增长系数法求交通分布；由材料易得出现状od表为下图15所示现状od1234567合计(d)1140011003300980200010807401060028001190121011003590980218011050359066018001020122097014507710431501000130114023402200950109105158068016001320120015001900978

6、062210990190039001230145066012340711501260180013301780950254010810合计(o)10880688011740107901336091301042073200而将来的发生与吸引交通量为表14所示(1 )第1次近似:q：j = q% x (略+瑞)/2第一次迭代计算od表1234567合计12216.0912682.1167090.0211493.0363506.3372031.1411214.79320233.5321315.1212974.1272673.4591742.9336512.791902.8323711.64820832

7、.9131426.5082160.2965370.0832405.5623157.4292634.1073590.92520744.9144948.7442426.395277.75781723.2394074.5864111.3461548.23319110.352073.7121474.1323004.8721654.0381779.2672415.3592605.21415006.5964149.4172705.64641.9537090.777251&8073154.2261277.92725538.7172139.7173422.1464367.1462395.6053614

8、.9482050.4684875.05422865.08合 j18269.3117844.8127425.2918505.1925164.1718299.4818823.79144332计算味和瑞f01 =u 1 /01 = 17722.3/10600=1.671915fo2=u2/o2= 19822.3/11050=1.793873fo3=u3/o3 二25764.44/7710=3.341691fo4=u4/o4= 17981.1/10910=1.64813fo5=u5/o5= 11061.4/9780=1.131022fo6=u6/o6=27903.2/12340=2.261199f07

9、=u7/07=24077.3/10810=2.2273171.493929fd1=v1/d1 = 16253.95/10880=fd2=v2/d2=22048.06/6880=3.204662.625067fd3=v3/d3=30818.29/11740=1.8344222.0894571.611308fd5=v5/d5=24507.88/l 3360=fd6=v6/d6= 19076.74/9130=fd7=v7/d6= 16789.83/10420=(2 )收敛判定：由于唏和fj部分系数大于5% ,因此需要重新进行迭代(3 )第2 /欠近似：q彳=qjj x (尸亞+ f£)/2

10、第二次迭代计算od表1234567合计11956.3362831.5537088.6221252.4173243.0241948.2321073.77619393.9621210.6843252.2592773.9911527.9256269.8941897.0893421.09420352.9431520.4082676.0766351.955245&193498.249300&7283831.35823344.9644529.5792640.471286.73351501.5463901.0734077.193141&84618355.4451686.7451453

11、.9712795.7641272.6941522.1832149.1592122.01213002.5364112.6343149.4945143.9866716.2962602.5633367.2291268.04426360.2572078.4163915.8944753.0582221.6923663.634214&3684740.90123521.96m17094.819919.7229194116950.7624700.621859617876.03144332(4 )收敛判走:由于ff和f#部分系数大于5% ,因此需要重新进行迭代(5)第3次近似:q% = qfj x (临

12、+ f务)/2第三次迭代计算od表1234567合计11823.9092860.796980.3041120.3633090.6051889.451994.876318760.321165.1273383.6082814.9941412.7546163.6991896.8813272.55920109.6231561.8032957.7156857.8062432.3263665.883203.5313913.49724592.5644371.9912754.608291.78571392.6263846.0734088.3191361.27218106.6751519.3561423.116

13、2664.8451098.3531402.6222016.5171899.14612023.9664131.8523409.9245437.6246494.1562668.5783509.3021266.6326918.0672051.8354171.3184941.3812109.4153692.5882201.4984652.8323820.87m16625.8720961.0829988.7416059.9924530.0418805.517360.81144332(6)第4次近似第四次迭代计算od表1234567合计11753.052855.8236883.741046.723003.

14、7081850.806950.99318344.8421143.7713447.1682833.8181348.8836116.8811897.0093195.36519982.931581.5463104.8747116.052397.6883751.5673302.9623942.38425197.0744307.9292816.479294.80961334.7843830.9994103.6261334.16618022.7951441.5471403.0532595.0381012.5791345.8461950.3451791.89911540.3164161.2443560.73

15、65612.3336365.782716.2043598.8261268.9792728472039.9294301.9275036.3232040.473710.7962229.2254601.3623960.03合计16429.0221490.0630372.1115546.92447618932.817085.15144332收敛判定：由于略和略的各项系数误差均小于5% ,因此不需要继续迭代。表24即 为平均增长系数法所求将来分布交通量二、 运用logit模型计算公共汽车，小汽车的分担率，先求公共气车的分担率，已 知表 31 , 3-2,3-3,3-4 z 已知（1=0.075;卩=0.

16、025; y=0.037f.huslu1234567130405050454050240304050504050350403040505060450504030405050545505040304040640405050403040750506050404030表31公共汽车行驶时间（min）1234567120273333302733227202733332733333272027333340433332720273333530333327202727627273333272027733334033272720表3-2小汽车行驶时间（min）c bus cij1234567110131717

17、151317213101317171317317131013171720417171310131717515171713101313613131717131013717172017131310表33公共汽车票价（元）car cij1234567120273333302733227202733332733333272027333340433332720273333530333327202727627273333272027733334033272720表34小汽车行驶费用（元）又得知采用采用logit模型进行交通方式划分：“ car 1“ buspij = pij其中v肿=at严+0c严jjjc

18、ar所以计算公共汽车效用如下:公共汽车的效用123456712.53.3254.1754.1753.753.3254.17523.3252.53.3254.1754.1753.3254.17534.1753.3252.53.3254.1754.175544754.1753.3252.53.3254.1754.17553.754.1754753.3252.53.3253.32563.3253.3254754753.3252.53.32574.1754.17554753.3253.3252.5计算小汽车的小效用如下:小汽车的效能123456712.0372.7373.3373.3373.0372.

19、7373.33722.7372.0372.7373.3373.3372.7373.33733.3372.7372.0372.7373.3373.3374.03743.3373.3372.7372.0372.7373.3373.33753.0373.3373.3372.7372.0372.7372.73762.7372.7373.3373.3372.7372.0372.73773.3373.3374.0373.3372.7372.7372.037求公共汽车分担率如下:公共汽车的分担率123456710.6137260.6429060.6980440.6980440.6710640.6429060

20、.69804420.6429060.6137260.6429060.6980440.6980440.6429060.69804430.6980440.6429060.6137260.6429060.6980440.6980440.72372240.6980440.6980440.6429060.6137260.6429060.6980440.69804450.6710640.6980440.6980440.6429060.6137260.6429060.64290660.6429060.6429060.6980440.6980440.6429060.6137260.64290670.69804

21、40.6980440.7237220.6980440.6429060.6429060.613726计算小汽车的分担率如下小汽车的分担率123456710.3862740.3570940.3019560.3019560.3289360.3570940.30195620.3570940.3862740.3570940.3019560.3019560.3570940.30195630.3019560.3570940.3862740.3570940.3019560.3019560.27627840.3019560.3019560.3570940.3862740.3570940.3019560.3019

22、5650.3289360.3019560.3019560.3570940.3862740.3570940.35709460.3570940.3570940.3019560.3019560.3570940.3862740.35709470.3019560.3019560.2762780.3019560.3570940.3570940.386274接着计算公交车和小汽车的0d表，计算如下：qij为表2-4中0d数据公共汽$ od表计算如下公共汽车od表1234567合计11076183648057312016119066412317273521161822942427012202231133343

23、1104199643671541261923062853167864300719661908192463286593112241596797918116518261254115276416267522893918444417462209816180977142430033645142423861433282416139合计1098914185205581055216325124751147196555小汽车0d表计算如下:小汽车od表1234567合计167710202079316988661287602824081332101240718476力96566493478110927498561

24、1339971089841141301850105516136812394035782547442478436252069664038996148612721695192297013904539188761612991391616132579617777821合计544073059814499581516457561447777由于所得0d表单位为（人旧）所以需转换为（辆旧）转换为标准车辆数,又已知小 汽车平均载客率为2.85人/车，公共汽车平均载客率为15.81人/车。小汽车折算 为标准车型的折算系数为1.0,公共汽车折算为标准车型的折算系数为3.0。所以计算公式为：od标准车辆数二原od表

25、各数据/2.85 （人/车）*1.0 （小汽 车）od标准车辆数二原od表各数据/15.81 （人/车）*3.0 （公共汽 车）计算过程略，得到od标准车辆数表（小汽车和公共汽车）3-11; 3-12 下所示将2表对应区域的数值相加得到标准车辆数od表，如下表3-13所示四.交通流分配uj公交车标准车辆数od表1234567合计1204348912139382226126233721404013461798102314232530320937982929349743754131854571373361554675441力2323518418634412415723821914506508434

26、743843331419155343472705706922704532725363062合计208526923901200230982367217718322小汽车标准车辆数od表1234567合计1238358729111347232101211521434673551436482383392333316838996430039735038229514456298371814804351412029516614927512718224422513686521446595674340488159322472164564882164652796242744合计19092563344417532

27、860226619701676412345671442706164125072945822722838697013221458469762337776817935938947879244102767173336947978318535033461925033948244361029881133815186729073147486102611804869185511160用标号法求节点最小阻抗p1p2p3p4p9p13p14p12p6p11p7p5p8p10123456789101112131400000000000000000000000000026.0400co000000000000000

28、0161.850075.1394.040000000000000097161.850094.0400000000116850015&7000097161.850015&700127.28133.9800158.13co00185.39169.76127.28133.980015&130000185.39169.76133.98165158.13co00185.39169.76165245.6200185.39169.76165245.6200185.39169.76245.6200185.3924

29、5.6226&726837所有节点均标上p标号,计算结束，得到各节点间的最短路权。最短磚辨识：从起点 1 开始:d 13+lmin(3,9)=75.13+41.04= 116.17所以1-9的最短路径是1-2-3-9其他同理可得节点最短 路径节点最短路径节点最短路径节点謝豆 路径(1,2)1-2(2,6)2-4-5 6(3,11 )3-12-11(5,9)5-4-9(1,3)1-2-3(2,7)2-3-98-7(3,12)3-12(5,10)5 &10(1,4)1-2-4(2,8)2-3-98(3,13)3-12-13(5,11 )5-4-9 11(1,5)1-2-4 5(2,

30、9)2-3-9(3,14)3-12-11-14(5,12)5-4-3 12(1,6)1-2-4 5-6(2,10)2-3-910(4,5)4-5(5,13)5-4-3 12-13(1,7)1-2-39-8-7(2,11 )2-12-11(4,6)4-5-6(5,14)5-4-9 11-14(1,8)1-2-3 9-8(2,12)2-12(4,7)4-9-87(6,7)6-7(1,9)1-2-3 9(2,13)2-12-13(4,8)4-9-8(6,8)6-7-8(u0)1-2-3 9-10(2,14)2-12-11-14(4,9)4-9(6,9)6-5-4 9(1,11)1-2-12-11(3

31、,4)3-4(4,10 )4-9-10(6,10 )6-7-8 10(1,12)1-2-12(3,5)3-4-5(4,12)4-3-12(6,11 )6-5-4 11(1,13)1212-13(3,6)3-4-5 6(4,13)4312-13(6,12)6-5-4 3-12(1,14)12 12-11-14(3,7)3-9-8 7(4,14)4911-14(6,13)6-5-4 3-13(2,3)2-3(3,8)3-9-8(5,6)5-6(6,14 )6-7-8 10-14(2,4)2-4(3,9)3-9(5,7)5-6-7(7,8)7-8(2,5)2-4-5(3,10)3-9-10(5,8)

32、5-8(7,9)7-8-9节点最短 路径节点最短路径节点最短路径节点尉豆 路径(7,10)7-8-10(8,11)8-9-11(9,13)9-11-12-13(11,13)11-12-13(7,11 )7-8-911(8,12)8911-12(9,14 )9-11-14(11,14)11-14(7,12)7-8-9 11-12(8,13)8-10-14-13(10,11 )10-14-11(12,13 )12-13(7,13)7810-14 13(&14 )8-10-14(10,12 )10- 14-11- 12(12,14)12-11-14(7,14)7810-14(9,10)9-1

33、0(10,13 )10-14-13(13,14)13-14(8,9)8-9(9,11 )9-11(10,14)10-14(8,10)8-10(9,12)9-11-12(11,12)11-12路段阻抗12345678910111213141026.75.94.15&245.26&185.116.169.127.97133.650413041362739177681982049.0968132.09219.58242.66159.3590.13143.72101.7770.96107.94138.963042.46106.55194.04193.57110.2641.0494.63

34、73.8943.0880.06111.084064.09151.58213.72130.4161.19114.78103.3885.54122.52140.575087.49159.41102.5125.28163.91167.47149.63186.61204.666071.92155.23212.77216.64254.96237.12274.1266.397083.31152.53144.72194.72225.53253.77194.478069.2261.41111.41142.22170.46111.169053.5942.1973109.9879.3810086.94117.75

35、109.0549.7511030.8167.7937.1912036.986813059.3140初始od表123456789101112131410215240240482482312312265265369369173173202402404824823123122652653693691731733043238838824124143643635335345245240388388241241436436353353452452509571531533653655505505225226015315336536555055052252270162298298604604192192802

36、982986046041921929033228828834034010028828834034011046921821812021821813056814045%加载后的0d表1234567891011121314109710810821721714014011911916616678782010810821721714014011911916616678783019517517510910919619615915920320340175175109109196196159159203203504316969164164248248235235606969164164248248235235

37、70731341342722728787801341342722728787901491291291531531001291291531531102119898120989813025614045%加载后各路段的交通量路段1-21-132-32-42-123-43-93-124-54-9pcu175301252108448816982976169035802031路段5-65-86-77-88-98-109-109-1110-1411-12pcu19622336061656263294438727457172009路段11-1412-1313-14pcu 1768103249645%加载后路段的初始路阻12345678910111213141027.4134.02050.970.272.03044.644.745.34071.064.95092.6103.26073.27087.48074.763.19054.245.710050.811032.739.21203&a