Aggregate Specifications and Blending - Civil Engineering Handouts/5 - Aggregate... · Aggregate Specifications. CIVL 3137 123 Specifications Source: Standard Specifications for Road
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Aggregate Specifications
CIVL 3137 123
Specifications
Source: Standard Specifications for Road and Bridge Construction (TDOT, 2006)
CIVL 3137 124
Specifications
Clay Lumps < 0.5%
Coal and Lignite < 0.5%
L.A. Abrasion Loss < 40%
Material Passing No. 200 Sieve < 3%
TDOT Specs for Concrete Fine Aggregate
Sodium Soundness Loss < 10%
CIVL 3137 125
SpecificationsTDOT Specs for Concrete Fine Aggregate
Percent Passingby Weight
3/8 in. (9.5 mm) 100No. 4 (4.75 mm) 95 ‐ 100No. 16 (1.18 mm) 50 ‐ 90No. 50 (300 m) 5 ‐ 30No. 100 (150 m) 0 ‐ 10No. 200 (75 m) 0 ‐ 3
Sieve Size
CIVL 3137 126
Specifications
0
20
40
60
80
100
0.010.1110100Opening Size (mm)
Perc
ent
Pass
ing
.
1½" ¾" 3/8" 4 8 16 30 50 100 200
Fine Aggregatefor Concrete
CIVL 3137 127
Specifications
Clay Lumps < 0.25%
Coal and Lignite < 1%
L.A. Abrasion Loss < 40%
Material Passing No. 200 Sieve < 1%
TDOT Specs for Concrete Coarse Aggregate
Sodium Soundness Loss < 9%
Flat and Elongated Particles (5:1) < 10%
CIVL 3137 128
SpecificationsTDOT Specs for Concrete Coarse Aggregate
Application Size No.
Concrete Pavement 467Concrete Base Course 467Cement Treated Base Course 57Structural Concrete 57Prestressed Concrete 57 or 67Precast Concrete 57 or 67
CIVL 3137 130
Specifications
0
20
40
60
80
100
0.010.1110100Opening Size (mm)
Perc
ent
Pass
ing
.
1½" ¾" 3/8" 4 8 16 30 50 100 200
No. 57
1“ nominal maximum
#4 nominal minimum
CIVL 3137 131
Specifications
0
20
40
60
80
100
0.010.1110100Opening Size (mm)
Perc
ent
Pass
ing
.
1½" ¾" 3/8" 4 8 16 30 50 100 200
No. 57
GRAIN SIZE DISTRIBUTION GRAPH
0
10
20
30
40
50
60
70
80
90
100
110100
GRAIN SIZE IN MILLIMETERS
PER
CEN
T PA
SSIN
1½" ¾" ⅜" 4 83" 16
2 3 4 5 6 7 8
Standard Sizes of Processed Aggregate (ASTM D448)
CIVL 3137 132
Standard Sizes of Processed Aggregate (ASTM D448)
GRAIN SIZE DISTRIBUTION GRAPH
0
10
20
30
40
50
60
70
80
90
100
110100
GRAIN SIZE IN MILLIMETERS
PER
CEN
T PA
SSIN
1½" ¾" ⅜" 4 83" 16
5 6 7
56 67
CIVL 3137 133
Standard Sizes of Processed Aggregate (ASTM D448)
GRAIN SIZE DISTRIBUTION GRAPH
0
10
20
30
40
50
60
70
80
90
100
110100
GRAIN SIZE IN MILLIMETERS
PER
CEN
T PA
SSIN
1½" ¾" ⅜" 4 83" 16
5 7
57
CIVL 3137 134
Standard Sizes of Processed Aggregate (ASTM D448)
GRAIN SIZE DISTRIBUTION GRAPH
0
10
20
30
40
50
60
70
80
90
100
110100
GRAIN SIZE IN MILLIMETERS
PER
CEN
T PA
SSIN
1½" ¾" ⅜" 4 83" 16
57
3
357
CIVL 3137 135
Standard Sizes of Processed Aggregate (ASTM D448)
GRAIN SIZE DISTRIBUTION GRAPH
0
10
20
30
40
50
60
70
80
90
100
110100
GRAIN SIZE IN MILLIMETERS
PER
CEN
T PA
SSIN
1½" ¾" ⅜" 4 83" 16
67
4
467
CIVL 3137 136
Aggregate Blending
CIVL 3137 138
Aggregate Blending
0
20
40
60
80
100
0.010.1110100Opening Size (mm)
Perc
ent
Pass
ing
.
1½" ¾" 3/8" 4 8 16 30 50 100 200
TDOT411-E
CIVL 3137 139
Aggregate Blending
0
20
40
60
80
100
0.010.1110100Opening Size (mm)
Perc
ent
Pass
ing
.
1½" ¾" 3/8" 4 8 16 30 50 100 200
Sand
No. 78
Screenings
CIVL 3137 140
Aggregate Blending
blend A A B B C Cp f p f p f p
Example
72
54
26
14
85 2
96
87
73
54
36
24
16
0
10
20
30
40
50
60
70
80
90
100
0.010.1110100
Perc
ent P
assi
ng
Sieve Opening (mm)
Gradation Analysis Chart
1-1/2" 100503016843/8"3/4" 200
B
A
Example
0
10
20
30
40
50
60
70
80
90
100
0.010.1110100
Perc
ent P
assi
ng
Sieve Opening (mm)
Gradation Analysis Chart
1-1/2" 100503016843/8"3/4" 200
B
A
CIVL 3137 143
Aggregate Blending
0
20
40
60
80
100
0.010.1110100Opening Size (mm)
Perc
ent
Pass
ing
.
1½" ¾" 3/8" 4 8 16 30 50 100 200
Sand
No. 78
Screenings
CIVL 3137 144
Aggregate Blending
0
20
40
60
80
100
0.010.1110100Opening Size (mm)
Perc
ent
Pass
ing
.
1½" ¾" 3/8" 4 8 16 30 50 100 200
TDOT411-E
22.5% No. 7860.0% Screenings17.5% Sand
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