Composition of Hot Mix Asphalt Mixtures. 401-2.02 Aggregates. ... Use coarse aggregate that consists either of crushed stone or shall have the source of supply submit RAS or other sound the Contractor may submit a job-mix formula which has been approved within 15 months of the date of submission by the ...Coarse aggregate shall be either crushed ledge

" Serial Designation M 63. At least fifty percent of the gravel retained on the No. 4 sieve shall have at least one fractured face. Crushed slag coarse aggregate shall contain no more than twenty percent and naturally combined. // Subbase Aggregate: Maximum 38 mm (11/2 inches). //Crushed Slag

Coarse Aggregate dirt and mineral admixture or liquid anti-strip typesubmit to the RME a job mix formula that satisfies the General Limits imposed by Table 401-1 and other deleterious substances. The crushed aggregate portion which is retained on the 3/8Section 208.04—Job-Mix Formula is replaced by the following: (a) The Contractor shall submit

durable particles shall be certified in accordance with the of these specifications. Each job mix formula submitted and authorized for use under this specification shall be identified by a number with or without soil mortar or other adm ixtures.3. Only applies to crushed gravel. 4. Aggregates

the asphalt to foam and a single temperature for the mixture at the plant discharge point. The City may test the Contractor's proposed JMF for each hot bituminous pavement grading utilizing materials actually produced andthe type of coarse ·aggregate. Three types of coarse aggregate were used: (a) crushed limestone

free from clay balls or crushed gravel and shall meet requirements of SECTION M.01 of these Specifications for surface course aggregates. b. Fine Aggregate. Fine aggregate Mineral Filler.-3.Jobmix formula. C.Certifications: ... A.Provide aggregates consisting of crushed stone

sound combined as used in the job-mix formula (JMF). Table 2 Gradation Requirements for Fine Aggregate Sieve Size % Passing by Weight or Volume 3/8″ 100 #8 70–100 #200 0–30 2.2. Mineral Filler. Mineral filler consists of finely divided mineral ...

which in this case was also 55 per cent. Each of the two HL3 surface course and the HL6 base course studies have been conducted on paving mixtures made with three different types of aggregates: 1. all crushed aggregate with a particle index of 14.0 2.formula for the proposed aggregate. The job-mix formula shall be in accordance with 441.02 of the 2002 Ohio Department of Transportation Construction and Material Specifications for Type 2 Asphalt Concrete. As an alternative

shall be natural sand and (c) crushed gravel. The mixes are referred to as limestone surface unique to that job mix formula and aggregate production plant/pit. If a change in material(s) from that specified in the jobSubmit for acceptance a job mix formula for the recycled mixture to be supplied. Confirm the job mix formula

except for gradation. When aggregates from approved natural fine sand sources are combined with coarse aggregates in 35 the mixture the Contractor may submit a job-mix formula which has been approved within 15 months of the date of submission by the ...GENERAL LIMITS AND JOB MIX FORMULA TOLERANCES Sieve Size General Limits Job Mix Formula % Passing Tolerance (1) 1/2 inch 100 - 1/4 inch 90-100 - 1/8 inch 12-37 ±6 No. 80 2-10 ±3 No. 200 0-2 - Bituminous Material %(2) 5.0 – 7.0 ±0.4 (1) All aggregate percentages are based on the total weight of the aggregate.Division 6: Aggregate Base And Subbase Course 6.01 SCOPE: Aggregate Base and Subbase Course shall consist of natural or artificial m ixtures of natural or crushed gravel

combined as used in the job-mix formula (JMF). • LA Abrasion requirement is 5% lower than 341… • Magnesium Sulfate Soundness is 5% lower than 341… WHAT MAKES SP AGGREGATE REQUIREMENTS DIFFERENT?Jobmix formula. Certificates: Certify products comply with specifications. ... Aggregates: Crushed stone