提高圆管涵修筑质量-防治质量通病

,,()::;;:U449183:A:1008-3383(2002)08-0042-01Improvebuildqualityofroundpipeculvert,preventqualitycommonfaultXUXiang-yang,MENGXian-fengAbstract:Thetextintroduceskeypointofbuildroundpipeculvertandmethodsofcontrolqualitycommonfault.Keywords:roundpipeculvert;quality;build,,,;,,;,,,,1,,,,,,,,,,,,,,,,,,2,,,,,;,,,3,,,,,,,4,,(),,5,(45)242002©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.y=a+bx,a=-556.860,b=9.188,2EFr=0.880,41904%,,y=4.582x-226.063,r=0.887,31158%410km,5km,,15,25,3km7km,V(),,,11km;5km3040km;410km2030km,1988,100m50461470m852m,,20,018110m,,26km,,,,:,V,,,,,,,V,,:(1)(),V0,;(2)V;(3),,504:(1);(2),;(3),;(4);(5),:2002-04-02(42),,20cm,,,,10cm,95%,,,5m,6,,;,,,,,,,2m:2002-03-255420028(102)©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.