Construction Program Management and Inspection Guide

B–56 Appendix B: Quality Assurance Resources
SAMPLE
CONSTRUCTION PROGRAM MANAGEMENT AND INSPECTION GUIDE (5/01/04)
8.6.3 – Embankment Material Under Bridge Foundations
Targets and Engineering Limits
Lower Upper
Engineering Engineering
Material Type(s) Quality Characteristic Limit Target Limit
Soil Classification (AASHTO M145) Hard, durable stone and sand per M1.03.0
12.5 mm Sieve 50 Per SC 85
Gradation
4.75 mm Sieve 40 Per SC 75
(AASHTO T11) 300 µm Sieve 8 Per SC 28
(AASHTO T27)
75 µm Sieve 0 Per SC 10
Gravel Borrow Plasticity Index (AASHTO T90) N.P. N.P. N.P.
(M1.03.0)
Maximum Dry Density (Wdm) SC - 5 kg/m 3 Per SC SC + 5 kg/m 3
(AASHTO T180, Method D)
Maximum Stone Size - - 75 mm
Maximum Lift Thickness - - 300 mm
In-Place Density 95% W dm 100% W dm -
(AASHTO T310, Method B)
In-Place Moisture Content W mo - 2% (W mo ) W mo + 2%
(AASHTO T310, Method B)
Rock Classification Durable, crushed natural rock per M2.01.0
Flat and Elongated Particles (4:1) - - 15%
(ASTM D4791)
Crushed Stone Per Nominal
(M2.01.0) Maximum
Gradation Stone Size: Per M2.01.0 Per M2.01.0
(AASHTO T11) 63 mm Sieve Table 1 Per SC Table 1
(AASHTO T27) Through
1.18 mm Sieve
Maximum Percentage of Wear - - 45%
(LA Abrasion) (AASHTO T96)
Maximum Lift Thickness - - 300 mm