crushed aggregate jobmix formula

Coarse aggregate shall be either crushed ledge, crushed granite, or crushed gravel and shall meet requirements of SECTION M.01 of these Specifications for surface course aggregates. b. Fine Aggregate. Fine aggregate, if used, shall be natural sand, stone screening, or a ... range and jobmix formula for the aggregate to be used. In no case shall ... Aggregates shall consist of crushed stone, crushed gravel, or crushed slag with or without sand or other inert finely divided mineral aggregate. The portion of materials retained on the No. 8 sieve ... the job mix formula. Job Mix Formula. No bituminous mixture for pavement shall be produced until a job mix formula has

3. Only applies to crushed gravel. 4. Aggregates, without mineral filler, or additives, combined as used in the job-mix formula (JMF). 2. Intermediate Aggregate. Aggregates not meeting the definition of coarse or fine aggregate will be defined as intermediate aggregate. When used, supply intermediate aggregates that are free from organic ... The aggregate shall consist of crushed stone, crushed gravel, or crushed slag with or without other inert finely divided mineral aggregate. The aggregate shall be composed of clean, sound, tough, durable particles, free from clay balls, organic matter, and other deleterious substances. ... The job mix formula

fine aggregate may be used to produce the specified mixture. 1. Coarse Aggregate The coarse aggregate shall be that part of the aggregate retained on a No. 10 sieve and shall consist of clean, tough, durable fragments of aggregate and/or crushed aggregate, reclaimed asphalt pavement (RAP) or, a combination thereof, as hereinafter specified, Aggregates shall consist of crushed stone or crushed gravel with or without sand or other inert finely divided mineral aggregate. The portion of materials retained on the No. 8 sieve is coarse aggregate. The portion passing the No. 8 (2.36 mm) sieve and retained on the ... mixture meets the grading requirements of the job mix formula (JMF).

Crushed Stone No No No Gravel No No No Note 1. Polish resistant aggregate or crushed dolomite may be used when blended with ACBF or sandstone but cannot exceed 50% of the coarse aggregate by weight (mass), or cannot exceed 40% of the coarse aggregate by weight (mass) when blended with SF. 411.03 Design Mix Formula 1. Coarse Aggregate Coarse aggregate is defined as that part of the aggregate retained on the No. 10 (2.00 mm) sieve and shall consist of clean, tough, durable fragments of crushed stone or crushed gravel of uniform quality throughout. Gravel from each source shall be crushed to the extent that it has a minimum of 85% of

Small Size Coarse Aggregate by Use of the Los Angeles Machine. (iii) Crushed Aggregate - Aggregate retained on a No. 5 000 sieve shall contain not less than the percent of crushed aggregate as determined by actual particle count and as shown in Table 1 CW 3410.R5.1. 5.4.2 Asphalt Cement Aggregates Sand and/or crushed rock dust. Crushed gravel and/or stone. Sand and/or crushed rock dust. Crushed gravel and/or ... proportions are kept within job mix formula (JMF) tolerances. at least 30 days post Verify the application rate. Check for uniformity of surface

Crushed Particles (SD 211) Used for determining % of pieces having one or more crushed faces. One crushed face has a projected area of at least 25% of the max. cross-sectional area of the particle and the face has sharp and well-defined edges. Two crushed faces the largest crushed face has a projected area of at least 50% of the max. cross-sectional area of the particle and the Aggregate test results shall not be greater than 6 months old. If test results are provided on the combined blend, the Engineer reserves the right to require tests on individual aggregates should a major change in the Job Mix Formula percentages occur. a. Coarse Aggregate. Coarse aggregate shall consist of sound, tough, durable particles, free

The crushed particle content of the aggregate used in the HMA mixture shall not be more than 10 percentage points above or below the crushed particle content used in the job-mix-formula nor less than the minimum specified for the aggregate in the project documents. crushed slag or crushed gravel, with or without soil mortar or other adm ixtures. Crushed gravel shall consist of particles with a minim um of ninety percent (90%) by weight of the m aterial retained on the No. 10 sieve with at least one fractured face by artificial crushing and conforming with the following detailed requirements A. Detail Requirements 1. Grading Shall conform to the job-mix formula that is selected within the design

Submit for acceptance a job mix formula for the recycled mixture to be supplied. Confirm the job mix formula, the source of aggregate, grade of bituminous material and the proportion of crushed RAP to be used in the mixture. Furnish only one grade of bituminous material and one recycle proportion for the product. aggregate, filler and anti-strip agent if required, and asphalt binder. The several aggregate fractions shall be sized, handled in separate size groups, and combined in such proportions that the resulting mixture meets the grading requirements of the job mix formula (JMF). 401-3.2 Job mix formula (JMF).

A. Mechanical Stabilizing Agents Use virgin crushed aggregates, RAP, or crushed PCC in the gradation called for in the job mix formula. B. Bituminous Stabilizing Agent Use asphalt emulsion (HFMS-2s) meeting the requirements of Iowa DOT Section 4140, or foamed asphalt using PG 52-34S asphalt binder meeting the requirements of Iowa DOT Section ... 3. Unless otherwise shown on the plans. Only applies to crushed gravel. 4. Aggregates, without added mineral filler or additives, combined as used in the job-mix formula (JMF). Table 2 Gradation Requirements for Fine Aggregates Sieve Size % Passing by Weight or Volume 3/8 100 8 70100 200 015 (2) Mineral Filler.

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, the Contractor may submit a job-mix formula which has been approved within 15 months of the date of submission by the ... 2. Only applies to crushed gravel. 3. Aggregates, without mineral filler, RAP, RAS, or additives, 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?

The aggregates shall be those approved for use by the approved job mix formula and will be accepted at the plant site. The Performance Graded Binder will be conditionally accepted at the ... use crushed aggregate from an approved source, meeting one of the following requirements 1. Limestone having an acid insoluble residue content of not less ... Only applies to crushed gravel. 4. Aggregates, without mineral filler or additives, 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 70100 200 015 2.2. Mineral Filler. Mineral filler consists of

sieve as the corresponding job-mix formula, 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. Once the job mix is established, maintain controls to produce a uniform product as established in the job mix. Submit, for acceptance, a recycled job mix formula for the project. The job-mix formula shall indicate the source of aggregate, grade of bituminous material, and the proportion of crushed

Section 401-3.2 JOB MIX FORMULA In this section, the Asphalt Institute reference was changed, the TSR requirement was increased, and the requirements for the Job Mix Formula submittal were changed. Criteria is also given for the mix design volumetrics and aggregate gradations. 401-3.2 JOB MIX FORMULA. The aggregate proportioning and asphalt content for the approved mix design will then be the Job Mix Formula for the production of the Asphalt Stabilized Base Course mixture. The Contractor shall be totally responsible for the production of mixes in conformance with the Contract. 3.5.3.4 Variation from the Approved Job Mix Formula

Apr 09, 2021 Physical Requirements of aggregates Design Procedure Job Mix Formula Summary Methodology ... The material to be used for the work shall be crushed stone. The material shall be free from organic or other deleterious constituents and conform to the required specifications. 39-2.02A Job Mix Formula. -A job mix formula shall be established by the Engineer for each designation of asphalt concrete, based on samples of conforming aggregate materials supplied for each source or supplier proposed by the Contractor. Where more than one source or supplier is designated to supply

Dec 26, 2017 Crushed aggregates and sharp sands produce higher stability of the mix when compared with gravel and rounded sands. ... The Percentage of Passing of Job Mix Formula obtained by using optimizing ... The job-mix formula report from the accredited laboratory shall state the Marshall or Super-pave properties, optimum asphalt content, combined and individual aggregate grading, mixing and placing temperatures, aggregate characteristics, and mineral admixture or liquid anti-strip type