不同级配对OGFC混合料性能的影响.pdf

第 26 卷 第 6期 重 庆 交通 大学 学 报 ( 自然 科学 版 ) V ol. 26 N o. 6 2007 年 12 月 JOU RNAL OF CHONGQ ING J IAOTONG UN IV ERS ITY ( NATURAL SCIENCE) D ec. 2007 OGFC 黄 刚 何兆益 ( 4 00074) : . OG FC13 OGFC OG FC . : ; ; ; : U 416. 2 17 : A : ( 2007) 0 6010505 Inf luen ces of D ifferen t G rading on M ix ture Perform ance of OGFC HUANG G ang HE Zh aoyi ( School o f C iv il Eng ineering A rch itecture Chongq ing J iao tong U niversity Chongqing 400074 Ch ina) A bstrac t: D ifferent g radings not on ly decide stru ctu re o f asph alt m ix tures but a lso influ ence the ir p erform ance. T aking the g radation lmi it of OGFC13 as a stu dy ob ject the grad ing trend o f w ho le OGFC w ere stu died and tested by selected typ ica l g radation s. T he influ ences of d ifference g rad ing trend w ere analyzed quantif icationa lly by stu dy ing m ix ture technop aram eters and indexes of p av em ent p erform ance . T hen the reasonab le g rada tion lmi it w h ich m ay sa tisfy the requ irem ent o f OGFC m ix ture is put forw ard . K ey w ord s: OGFC; grad ing trend; typ ica l gradation; influ ences ( OGFC ) 2005 OG FC [ 1] ( JTG F 40! 2004) . OG FC . OG FC 1 13 mm OG FC . OGFC [ 2 ] OGFC13( 1) . . OGFC 1 OG FC13 /mm /% 16 13. 2 9. 5 4. 75 2. 36 1. 18 0. 6 0. 3 0. 15 0. 075 O GFC13 100 90 ~ 100 60~ 80 12 ~ 30 10~ 22 6 ~ 18 4~ 15 3 ~ 12 3~ 8 2 ~ 6 : 200 61030; : 20