Materials Manual of Instruction

United States Army Garrison Dugway Proving Ground

Technical Exhibit 05
Paving IDIQ Contract – Materials Manual of Instruction

Directorate of Public Works
[Date]

Part 8 – Materials Manual

Quality Assurance – Appendix C

July 2003

Part 8 – Materials Manual

Materials Acceptance Program

TERMINOLOGY

Many of the terms listed below are defined differently by various agencies or organizations. The definitions of the American Association of State Highway and Transportation Officials (AASHTO) are the ones most commonly used in this document.
Absorbed Water – Water drawn into a solid by absorption, and having physical properties similar to ordinary water. Absorption – The increase in the mass of aggregate due to water being absorbed into the pores of the material, but not including water adhering to the outside surface of the particles, expressed as a percentage of the dry mass. Acceptance Program – All factors that comprise the State Transportation Department’s (STD) determination of the quality of the product as specified in the contract requirements. These factors include verification sampling, testing, and inspection and may include results of quality control sampling and testing. Admixture – Material other than water, cement, and aggregates in Portland cement concrete (PCC). Adsorbed Water – Water attached to the surface of a solid by electrochemical forces and having physical properties substantially different from ordinary water.
Aggregate – Hard granular material of mineral composition, including sand, gravel, slag or crushed stone, used in roadway base and in Portland cement concrete (PCC) and asphalt cement concrete (ACC). 
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Angular aggregate – Aggregate possessing well defined edges at the intersection of roughly planar faces Coarse aggregate – Aggregate retained on or above the 4.75 mm (No. 4) sieve. Coarse‐graded aggregate – Aggregate having a predominance of coarse sizes. Dense‐graded aggregate – Aggregate having a particle size distribution such that voids occupy a relatively small percentage of the total volume.
Fine aggregate – Aggregate passing the 4.75 mm (No. 4) sieve. Fine‐graded aggregate – Aggregate having a predominance of fine sizes. Mineral filler – A fine mineral product at least 70 percent of which passes a 75 µm (No. 200) sieve. Open‐graded / gap‐graded aggregate – Aggregate having a particle size distribution such that voids occupy a relatively large percentage of the total volume. Well‐Graded Aggregate – Aggregate having an even distribution of particle sizes.