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沥青混合料集料分维数值和矿料间隙率的关系
35 11 ( ) Vol.35 No.11
2007 11 JOURNAL OF T ONGJI UNIVERSIT Y(NAT URAL SCIENCE) Nov.2007
1, 2 1
黄继成 , 黄 彭
(1., 200092;2., 200031)
:,
.、、,
, 、,
、.
.
:;;;
:U 416.217 :A :0253-374X(2007)11-1481-05
Numerical Value Relations of Asphalt Mixture Aggregates Fractal
Dimensions and Voids in Mineral Aggregate
1, 2 1
HUAN G J icheng , HUAN G P eng
(1.School of Trans ortation Engineering, Tongji University, Shanghai 200092, China;
2.Shanghai Shentong Metro Grou Co., Ltd., Shanghai 200031, China)
Abstract:Based on the fractal theory, the gradations of as halt mixtures are studied, and a relation is
established between aggregate gradations fractal dimensions and voids in mineral aggregate (VMA)in
as halt mixtures.A study is conducted on stone matrix as halt (SMA ), o en graded friction courses
(OGFC)and dense as halt mixture (DAM ), and the study result is com ared w ith the results of for-
mer studies of other scholars.A conclusion is draw n that VMA in as halt mixtures decreases at the very
start and then continuously increases with the increase of aggregate gradations fractal dimension and
has a minimum value.This conclusion is instructive on the choice of aggregate gradations of as halt
mixtures.
Key words:as halt mixture;volume-designed method;voids in mineral aggregate;aggregate grada-
tions fractal dimension
. ).
(voids in mineral aggregate, VMA) ,
[1-3]
, .
, VMA ( VMA ,
:2006-03-06
:(1974-), , , .E-mail:
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