1,2(1.,510010;2.,510010):(),,:;;;:U443.15:B:1671-2668(2004)02-0094-0254,17,,113;0.1m,22.1m;,,();,,,1:,3m;,3m:,,,;,;,:,,;;:;2,,,,,;,2.1(),,,,,,,,1.88,0.899,12.3,190kPa,,,1117m,,;,,2.2,(3m),,,(11)2,23,,,,,,,,,,,,2.3,,,,2:49Highways&AutomotiveApplications220044©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,,,,,,,,,,,35cm,,,,,,,,,C20,10mm;45m,10mm,,,2(2),,,,,,,,810mm,,:1)45m(,),,5m,,2)30cm2,,(56kg),33.112m,,,,,:,,;,,;:,,,;,,,,3.2:,;,,,;,,,,,;,,,,300500g,,;,,,3.3,,,,,,24m3.4,,,,,,,,59101Highways&AutomotiveApplications©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,(,246004):,,,:;;:U443.154:B:1671-2668(2004)02-0096-02,,,,,,1,:;;();();;,,260kPa,1000kPa,22500t,36,800mm,18.521.0m1300kN,C25,:1,1,2,2,20,15,62SPJ-300:,,,36,A32,B4,100%364,,33.13.5,,,:,,,,,,,9m35066mm25cm():[1].[M].:,1995.[2].[M].:,2001.[3],.[M].:,1994.:2004-03-2569Highways&AutomotiveApplications220044©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.