40922 - 2 1/2" X 3/4" Railroad Ballast

Knife River – South Dakota Product #40922
ASTM C33 SSize #3
ASTM SID D448 Size #3

Description

Color: Tifton Pink (pink, light red, light purple)
Shape: Angular/Cubical
Size: US Sieve 2½” to ½”
Weight: Approx. 1.4 tons per loose cubic yard
Source: Sioux Falls Quarry, Sioux Falls SD
Available at: Sioux Falls Quarry, Yankton Sand & Gravel

Applications

  • Base material for roadways/parking lots/driveways
  • Landscaping/ground cover
  • Bedding material
  • Drainage/filtration medium
  • Rock mulch/slope protection/erosion control
  • Railroad ballast
  • Soil stabilization

Mechanical Analysis Data

Sieve 2015% average passing  AREA #3 ASTM C33 Size #3 Spec
2″ 89 95-100 90-100
1 1/2″ 42 35-70 35-70
1″ 8.5 0-15 0-15
3/4″ 3.4
5.8″ 2.3
1/2″ 1.7
3/8″ 1.1
#4 .6

Physical Properties

Result ASTM C33 Size #3 Spec

Bulk Specific Gravity

(ASTM C127) + #4

2.63 N/A

Absorption (%)

(ASTM C127) + #4

0.3% N/A

Sodium Soundness Loss

(SD 220Q, ASTM C 88) + 4

0.3% 12% Max
Loose wt. (pcf) 79 N/A

LA Abrasion Loss

(SD 221Q, ASTM C 535)

19% 50% Max

Lightweight Particles (coal and lignite)

(Sp. Gr. Under 1.95, ASTM C 123)

0.0% 0.5% Max

* Loose wt. determined by (SD 205)

(above information is subject to change but will still be within specification range)