1113 - AGGREGATES FOR SHOULDER CONSTRUCTION 1100-34
1113.1 Description
This specification covers types of aggregates for shoulder construction.
1113.2 Requirements
a. Composition.
1.Type AS-1 is a mixture of aggregate and binder with at least 85% the material produced by the mechanical crushing of limestone, dolomite or sandstone. b. Quality 1. Soundness2, minimum (KTMR-21) ............................................................... 0.85 Wear3, maximum (AASHTO T 96) ................................................................ 50% Specific Gravity4 (dry), minimum (KT-6 Procedure I) ................................... 2.20 1Crushed aggregates with less than 10% material retained on the No. 4 sieve (excluding mineral filler supplements) must be produced from a source complying with the official quality requirements of this Section prior to crushing. 2The above requirements for soundness do not apply for aggregates having less than 10% material retained on the No. 4 sieve. 3The above requirements for wear do not apply to aggregates having less than 10% material retained on the No. 8 sieve. 4Apply the specific gravity requirement to individual materials and to any combin ation of materials required to meet the grading and plasticity requirements. c. Product Control.
1.Gradation and Plasticity. Provide aggregate that complies with TABLE 1113-1. TABLE 1113-1: GRADING AND PLASTICITY REQUIREMENTS FOR AGGREGATES FOR SHOULDER CONSTRUCTION Type Percent Retained - Square Mesh Sieves P.I. L.L.3 (Max) Ratio4 (Max) 2” 1½” ¾” 3/8” No. 4 No. 8 No. 40 No. 200 AS-1 0 0-5 5-30 35-60 45-70 60-84 80-92 1-81 4-82 30 3/4 1Crushed Limestone or Dolomite 2Crushed Sandstone 3Liquid Limit 4Ratio of percent passing the No. 200 sieve to the percent passing the No. 40 sieve.
2.Deleterious Substances. Provide aggregates for s houlder construction that are free from grass, weeds, roots, sticks, and other undesirable foreign matter. d. Stockpiling. Stockpile and handle aggregates in such a manner to prevent detrimental degradation and segregation, the incorporation of appreciable amounts of foreign material, and the intermingling of stockpiled materials.
1113.3 Test Methods
Test aggregates according to the applicable provisions of SECTION 1115.
1113.4 Prequalification
Prequalify aggregate sources according to subsection 1101.4.
1113.5 Basis of Acceptance
Aggregates covered by this subsection are accepted based on the procedures described in subsection 1101.5.
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Source: Standard Specifications for State Road and Bridge Construction, 2015 Edition. Pages 691–691 of 978. View official source ↗