703.02 Aggregate for Portland Cement Concrete

 

1. Specification:

Section 703.01, 703.02, C&MS and S 1069.

 

2. Sampling and/or Inspection Requirements:

Complying with Supplement 1069 Gradation testing is a responsibility of the certified supplier with Quality Assurance sampling and testing a responsibility of the Department. The sampling requirements below apply when sources are under old contracts and not certified.

The Group Code status for aggregate sources covered under 703.01 shall also apply to those of Item 703.03. Follow the procedures outlined for Group 0, Group 1 or Group 2 material in 703.01, this Manual. (District Engineer of Tests)

Samples are to be taken in accordance with procedures described in Appendix "A". (Field)

Fine Aggregate

A sample shall consist of 30-40 pounds of material

If group 2 materials sample represents each 1800 tons, or fraction thereof.

 

Coarse Aggregate

A sample shall consist of 60-75 pounds of material sizes 3 thru 10

A sample shall consist of 100 pounds of material for sizes 1, 2 and 24

If group 2 materials samples represent each 2600 tons, or fraction thereof.

Quality samples shall be submitted to the OMM Aggregate Section, through the District Engineer of Tests.

Samples shall be accompanied by a TE-31.

 

Special Requirements:

Aggregates with special requirements may require special tests. See specific item for any additional requirements. (Field)

When No. 1, No. 2, No. 357, or No. 4 sizes are to be used, contact the OMM Aggregate Section for procedure to be followed. (District Engineer of Tests) Sizes not listed for a supplier on the Group List are considered to be Group 2 Material, and are to be handled accordingly. (Field)

Sampling: (Field)

Quality control samples, when requested, shall be taken at the aggregate source by an ODOT Level 1 Aggregate Technician.

Quantity samples shall be taken at the time the Contractor takes control of the material by an ODOT Level 1 Aggregate Technician.

Samples are to be taken in accordance with procedures described in Appendix "A", in the following quantities:

Coarse Aggregate: 60-70 pounds each sample size *

Fine Aggregate: 30-40 pounds *

Dense Graded Aggregate: 90-100 lbs *

* Quantity shall be in accordance with CMS 700 sampling table.

Samples submitted to the OMM Aggregate Section shall be accompanied by a TE-31;

 

3. Methods of Test:

Physical Tests.

(District Engineer of Tests)

AASHTO T 11, AASHTO T 19, S 1004, S 1021, S1005

Samples being submitted for soundness testing shall be graded using sieves as called for in Appendix "B".

Quality Tests.

(OMM Aggregate Section)

AASHTO T 104, AASHTO T 113, AASHTO T 96, S 1017, S 1029, S 1031