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Aggregate Physical Properties

Buildex Expanded Shale Lightweight Aggregate
Marquette Kansas Plant

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Our Marquette plant is located three miles northeast of the City of Marquette, Kansas. This plant is located near a large deposit of Kiowa shale that is used in production.


Table 1
Typical Physical Properties of Production Sizes
Buildex Marquette KS Plant

Production Size Specific
Gravity (a)
Density,
lb/cu ft (b)
Percent
Absorption (c)
5/8" x 3/8" 1.05 35 25
3/8" x 1/4" 1.10 40 20
1/4" x 1/8" 1.15 42 16
1/8" x 0 1.50 47 10

(a) ASTM C 127 / C 128, bulk specific gravity.
(b) ASTM C 29, loose unit weight (density).
(c) ASTM C 127 / C 128, 24 hour absorption.


Table 2
Typical Gradation of Production Sizes
Buildex Marquette KS Plant
 Cumulative Percent Retained

Sieve
5/8" x 3/8" 3/8" x 1/4" 1/4" x 1/8" 1/8" x 0
3/4" 0      
1/2" 19 0    
3/8" 79 3 0  
No. 4 99 98 20 0
No. 8   99 89 8
No. 16     98 38
No. 30     99 64
No. 50       81
No. 100       88


These production sizes can be sold "as is," but more often are blended before loading to meet appropriate industry specifications.

For producing pumpable structural lightweight concrete, both coarse and fine blends are normally stockpile saturated at the concrete producer's plant. We recommend a seven to ten day soaking period, or longer if possible, for optimum pumpability.


Table 3
Typical Physical Properties of ASTM Blends
Buildex Marquette KS Plant

ASTM 
Blend 		Specific
Gravity (a)		 Density,
lb/cu ft (b) 		Percent
Absorption (c) 		Saturated
Density,
lb/cu ft (d)
3/4" x No. 4 1.08 36 23 52
1/2" x No. 4 1.09 37 22 52
3/8" x No. 8 1.14 40 18 52
3/8" x 0 1.20 44 15 53
1/4" x 0 1.25 45 13 53

(a) ASTM C 127 / C 128, bulk specific gravity.
(b) ASTM C 29, loose unit weight (density) @ normal 6% shipping moisture content.
(c) ASTM C127 / C 128, 24 hour water absorption at ambient pressure. Please note that the 24 hour absorption figure is not appropriate for use in determining moisture content of Buildex used in pumped concrete.
(d) Unit Weight (density) when stockpile ambient saturated for 7 to 14 days for concrete pump placement.
Buildex aggregate is produced to meet or exceed applicable industry standards, including ASTM C330 "Standard Specification for Lightweight Aggregates for Structural Concrete" and ASTM C 331 "Standard Specification for Lightweight Aggregates for Concrete Masonry Units."

Links to Tables - Typical Gradation of Lightweight Aggregate Blended to Meet ASTM Gradations. 

Structural Lightweight Concrete Aggregate

Lightweight Concrete Masonry Aggregate


Table 4 - Typical Blended Aggregate Gradation
Lightweight Aggregates for Structural Concrete
ASTM C 330 -  3/4" x No. 4 
Buildex Marquette KS Plant

Sieve

Percent Retained

Percent Passing
Typical Gradation 3/4" x No. 4 Specification* Typical Gradation 3/4" x No. 4 Specification*
1" 0 0 100 100
3/4" 0 0-10 100 90-100
1/2" 14 --- 86 ---
3/8" 60 50-90 40 10-50
No. 4 99 85-100 1 0-15
No. 8 99 --- 1 ---

*ASTM C330 "Standard Specification for Lightweight Aggregates for Structural Concrete".


Table 5 - Typical Blended Aggregate Gradation
Lightweight Aggregates for Structural Concrete
ASTM C 330 -  1/2" x No. 4 
Buildex Marquette KS Plant

Sieve

Percent Retained

Percent Passing
Typical Gradation 1/2" x No. 4 Specification* Typical Gradation 1/2" x No. 4 Specification*
3/4" 0 0 100 100
1/2" 8 0-10 92 90-100
3/8" 35 20-60 65 40-80
No. 4 98 80-100 2 0-20
No. 8 99 90-100 1 0-10

*ASTM C330 "Standard Specification for Lightweight Aggregates for Structural Concrete"


Table 6 - Typical Blended Aggregate Gradation
Lightweight Aggregates for Structural Concrete
ASTM C 330 -  3/8" x No. 8 
Buildex Marquette KS Plant

Sieve

Percent Retained

Percent Passing
Typical Gradation 3/8" x No. 8 Specification* Typical Gradation 3/8" x No. 8 Specification*
1/2" 0 0 100 100
3/8" 3 0-20 97 80-100
No. 4 85 60-95 15 5-40
No. 8 97 80-100 3 0-20
No. 16 99 90-100 1 0-10

*ASTM C330 "Standard Specification for Lightweight Aggregates for Structural Concrete"


Table 7 - Typical Blended Aggregate Gradation
Lightweight Aggregates for Structural Concrete
ASTM C 330 -  3/8" x 0
Buildex Marquette KS Plant

Sieve

Percent Retained

Percent Passing
Typical Gradation 3/8" x 0 Specification* Typical Gradation 3/8" x 0 Specification*
1/2" 0 0 100 100
3/8" 0 0-10 100 90-100
No. 4 12 10-35 88 65-90
No. 8 45 35-65 55 35-65
No. 16 66 --- 34 ---
No. 30 81 --- 19 ---
No. 50 89 75-90 11 10-25
No. 100 93 85-95 7 5-15

*ASTM C330 "Standard Specification for Lightweight Aggregates for Structural Concrete".


Table 8 - Typical Blended Aggregate Gradation
Lightweight Aggregates for Structural Concrete
ASTM C 330 -  1/4" x 0
Buildex Marquette KS Plant

Sieve

Percent Retained

Percent Passing
Typical Gradation 1/4" x 0 Specification* Typical Gradation 1/4" x 0 Specification*
3/8" 0 0 100 100
No. 4 6 0-15 94 85-100
No. 8 32 --- 68 ---
No. 16 56 20-60 44 40-80
No. 30 75 --- 25 ---
No. 50 87 65-90 13 10-35
No. 100 91 75-95 9 5-25

*ASTM C330 "Standard Specification for Lightweight Aggregates for Structural Concrete"


Table 9 - Typical Blended Aggregate Gradation
Lightweight Aggregates for Concrete Masonry
ASTM C 331 -  1/4" x 0
Buildex Marquette KS Plant

Sieve

Typical Cumulative Grading

Typical Individual Grading Suggested Individual Grading*
3/8" 0 0 0-2
No. 4 6 6 0-10
No. 8 32 26 15-35
No. 16 56 24 15-35
No. 30 75 19 5-20
No. 50 86 12 5-15
No. 100 91 5 5-15
Pan 100 9 8-20

*ASTM C331 "Standard Specification for Lightweight Aggregates for Concrete Masonry Units."

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PDF format: Marquette Properties (150 kb)