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

Sieve2015% average passing AREA #3ASTM C33 Size #3 Spec
2″8995-10090-100
1 1/2″4235-7035-70
1″8.50-150-15
3/4″3.4
5.8″2.3
1/2″1.7
3/8″1.1
#4.6

Physical Properties

ResultASTM C33 Size #3 Spec

Bulk Specific Gravity

(ASTM C127) + #4

2.63N/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)79N/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)