交通工程学 王伟 课后答案.khda

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1、2-1Q2012082172322192202052011952101901952493/h5min60Q2322784/h5515min60Q(232219220)2684/h151515min2493PHF0.9291567142-2AADT50000/d,C1500/h,x3011.31.3K17.86x0.08217.86300.0820.132613.26%DHVAADTK100500000.13266630/hDHV6630n4.42C150016K0.5K0.6n5.3DD2-3100Q601000/h61h3600/Q3600/

2、10003.6s/tV20hh3.620m/st3.63.6K1000/h1000/2050/kmsS24t1.2hV202-4:116ttini11(4.85.14.95.05.25.04.74.85.15.24.95.35.44.7164.65.3)5sns16100VS20m/s72km/hn80tii1116VVtini11(75.070.673.572.069.272.076.675.070.669.273.567.91666.776.678.367.9)11154.672.16km/h163-1t=2.0mint=2.0minX=2

3、9.0Y=1.5X=28.6Y=1.012XY28.61.5q7.525/min451.5/htt22Y1.5tt2.01.8minq7.525l2v6066.67km/ht1.82XY29.01.0q7.5/min450/htt22Y1.0tt2.01.867minq7.5l2v6064.27km/ht1.8673-4=28+25+38+33=124=12415=1860s=/=1860/113==16.46ss==/=11860/113+119=8.02s=/=113/232=48.7%290%K=2.70(10.487)2.70=11.0

4、7%0.487232295%K=33.84(10.487)3.84=13.2%0.4872324-2V82km/hK105/kmfjKK2105252.5/kmmjVV282241km/hmfQKV52.5412152.5/hmmmVV41km/hm34-4gkfjj173j1N=56m3.09N56kfkfp(k)Fp(k)Njjjjjjj0000.04552.548111110.14067.873214280.217212.163311330.223712.52749360.17289.67755250.10685.98163180.055

5、03.08072140.02431.3608180.00940.5259000.00320.1805617733F56j222222226fj111411956N560.932j1F10.42112.16312.5279.6775.9815.145j22DF=6-2=40.059.4880.054-5Q1200/hQ36001200360013/st5st53P(h5)ee0.19t5s63P(h5)P(h6)e0.135312000.1353162.4/ht5stfjj6P(h6)0.1353162467P(h7)0.09697116338P

6、(h8)0.069583239P(h9)0.049786017410P(h10)0.03567431211P(h11)0.0255631912P(h12)0.0183222613P(h13)0.0131216514P(h14)0.009411315P(h15)0.006748216P(h16)0.004836616tfjjj61m(466337238314215616)8.444N1624-9Q=1500/h600/h13M/M/11500/356001/s/s360036360065/36511/66n(1)5qn4.17dn36s/wd13

7、0s/n5315d4.17312.5d36s/w30s/2M/M/3150056001/s/s360012360065/1255/2511/62N3611P(0)0.04494k32(52)(52)6.62515.6252k0k!3!(15/6)4(5/2)0.04494q3.523!3(15/6)nq3.52.563.5wq8.4s/5/124-10V1=50km/hQ1=4200/hV2=13km/hQ2=3880/h5V3=59km/hQ3=1950/ht=1.69h1.k1=Q1/V1=4200/50=84/kmk2=Q2/V2=388

8、0/13=298.5/kmVw=(Q2Q1)/(k2k1)=(38804200)/(298.584)=1.49km/hL=(01.69+1.491.6