110906 lowe sma and water
DESCRIPTION
Good bookTRANSCRIPT
![Page 1: 110906 Lowe SMA and Water](https://reader033.vdocument.in/reader033/viewer/2022061119/54637102af7959a4058b4ebf/html5/thumbnails/1.jpg)
STONE MASTIC ASPHALT
RESEARCH PRESENTATION
ROAD SYSTEM AND ENGINEERING
![Page 2: 110906 Lowe SMA and Water](https://reader033.vdocument.in/reader033/viewer/2022061119/54637102af7959a4058b4ebf/html5/thumbnails/2.jpg)
PROBLEMS
![Page 3: 110906 Lowe SMA and Water](https://reader033.vdocument.in/reader033/viewer/2022061119/54637102af7959a4058b4ebf/html5/thumbnails/3.jpg)
SMA PERMEABILITY
![Page 4: 110906 Lowe SMA and Water](https://reader033.vdocument.in/reader033/viewer/2022061119/54637102af7959a4058b4ebf/html5/thumbnails/4.jpg)
Permeabilty of laboratory mixes
0.01
0.1
1
10
100
1000
0 1 2 3 4 5 6 7 8 9 10 11
% Voids
Per
mea
bilit
y um
/S
Log. (DG14C320)
Log. (SM10 A5S)
Log. (SM14 A5S)
Log. (SM12 AB4)
![Page 5: 110906 Lowe SMA and Water](https://reader033.vdocument.in/reader033/viewer/2022061119/54637102af7959a4058b4ebf/html5/thumbnails/5.jpg)
Workability
• Grading/nominal size• Binder content• Temperature• Binder type/characteristics• Mastic (filler/binder) characteristics
![Page 6: 110906 Lowe SMA and Water](https://reader033.vdocument.in/reader033/viewer/2022061119/54637102af7959a4058b4ebf/html5/thumbnails/6.jpg)
Filler CharacteristicsFiller Voids
(%)APD (t/m3)
%< 75 microns
Surf Area (m2/kg)
Flyash 54 2.19 97 165
Baghouse 41 2.72 89 545
Hyd Lime 52 2.23 75 1050
UFD 52 2.90 99 865
Ag Lime 39 2.69 75 215
![Page 7: 110906 Lowe SMA and Water](https://reader033.vdocument.in/reader033/viewer/2022061119/54637102af7959a4058b4ebf/html5/thumbnails/7.jpg)
Typical Range of SM14 Mixes
% passing 0.075 mm
% bitumen F/B ratio by mass
8 5.8 1.38
8 6.0 1.33
8 6.2 1.29
10 5.8 1.72
10 6.0 1.67
10 6.2 1.61
![Page 8: 110906 Lowe SMA and Water](https://reader033.vdocument.in/reader033/viewer/2022061119/54637102af7959a4058b4ebf/html5/thumbnails/8.jpg)
Flyash
Hydrated Lime
UFD
Baghouse
1:1 1.25:1 1.5:1 1.75:1Filler to Binder Ratio (by mass)
![Page 9: 110906 Lowe SMA and Water](https://reader033.vdocument.in/reader033/viewer/2022061119/54637102af7959a4058b4ebf/html5/thumbnails/9.jpg)
Viscosity v F/B Ratio by Mass - 165oC
0.1
1
10
100
1000
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
F/B Ratio by Mass
Vis
co
sit
y (
Pa
.s)
Flyash (Swanbank)
Hydrated Lime (DML)
Ultrafine Dust (Petrie)
Baghouse Fines (BCW)
Shell p190 Compaction upper
Shell p190 Compaction lower
![Page 10: 110906 Lowe SMA and Water](https://reader033.vdocument.in/reader033/viewer/2022061119/54637102af7959a4058b4ebf/html5/thumbnails/10.jpg)
SMA PERMEABILITY
![Page 11: 110906 Lowe SMA and Water](https://reader033.vdocument.in/reader033/viewer/2022061119/54637102af7959a4058b4ebf/html5/thumbnails/11.jpg)
SMA PERMEABILITY