aggregate sampling from stockpile

S21 CMM - 860 Materials Testing and Acceptance - Aggregates

4.2 Coarse aggregate for the test shall consist of plus 4.75 mm (No.4) sieve size material. For WisDOT source approval, sample stockpiles with 100 percent passing the 1-1/2 inch siev e. 6 Use procedure B with methyl alcohol. 6.1.2 Each sample fraction container shall be placed in the freeze apparatus. Samples shall be covered and

Aggregate Sampling Inspector Programmed Instruction …

associated with aggregate sampling techniques, and to present acceptable aggregate sampling methods supported by West ia Division of Highways' policies and procedures. The information contained herein is intended to prepare you for the written examination for certification as an Aggregate Sampling Inspector.

Standard Method of Test for Reducing Samples of …

Fine Aggregate—Samples of fine aggregate that are drier than the saturated surface-dry condition ... or by treating as a miniature stockpile as described in Method C. If the use of Method B or Method C is desired, and the sample does not have free moisture on the particle surfaces, the sample may be moistened to achieve this condition ...

MB1- Sampling of Stockpiles

sample as described in paragraph 4.2.1.1 above. 4.2.2 Sampling with pick and shovel 4.2.2.1 From the sides of a stockpile Using shovels, dig a groove from the top to the bottom of the stockpile. (See note 6.2) Remove all the material that has collected at the bottom of the groove as a …

- Aggregate Sample Reduction for Laboratory Testing

By following ASTM D75 for aggregate sampling and ASTM C702 for sample reduction a smaller size of aggregate test sample that is truly representative of the whole stockpile can be obtained for aggregate testing. Aggregate sample reduction to maintain the characteristics of the aggregate lot is equally as important as the tests conducted on the ...

ASTM D75 / D75M - 19 Standard Practice for Sampling Aggregates

Scope. 1.1 This practice covers sampling of coarse and fine aggregates for the following purposes: 1.1.1 Preliminary investigation of the potential source of supply, 1.1.2 Control of the product at the source of supply, 1.1.3 Control of the operations at the site of use, and. 1.1.4 Acceptance or …

Sampling Aggregates | Ontario Sand, Stone & Gravel Association

STOCKPILE SAMPLING Coarse Aggregate Stockpiles. Coarse aggregates are recommended to be sampled using the following procedure. 1) Locate the area of the stockpile from which hauling will begin. 2) Using a front-end loader, dig into the stockpile and set aside a small pile of 10 to 15 t of material.

Sampling of Aggregates

In sampling stockpiles of fine aggregate (3/8 in. (minus 9.5 mm)), the outer layer, which may have become segregated, should be removed and the sample taken from the material beneath. The use of sampling tubes has proven to be satisfactory. Sampling tubes approximately 1 …

One Thing: Aggregate Moisture Content Testing - NPCA

Collect a representative aggregate sample from the stockpile in accordance with ASTM D75, "Standard Practice for Sampling Aggregates." The minimum aggregate sample weight needed for the test depends on the nominal maximum size aggregate of the aggregate being tested. These minimum sample weights are outlined in "Table 1: Sample Size for ...

SAMPLING AGGREGATE, FLEXIBLE BASE, AND STONE RIPRAP

SAMPLING AGGREGATE, FLEXIBLE BASE, AND STONE RIPRAP TXDOT DESIGNATION: TEX-400-A MATERIALS & TESTS DIVISION 3 – 5 EFFECTIVE DATE: APRIL 2021 3.2.16 Repeat Section 3.2.4 to 3.2.15 for each additional location as determined from Section 3.2.3. 3.3 Sampling procedure for aggregate from completed stockpiles using a shovel. 3.3.1 Use this procedure to sample completed …

SAMPLING, Gravel and Sand

The aggregate sample is the total material from all holes combined and must meet the minimum original sample size requirement. SAMPLING AGGREGATE FROM STOCKPILE BUILT USING CONVEYORS FIGURE 5 3.7.2 Sampling from Stockpile Built Using Haul Trucks Samples of stockpiled aggregate are obtained while the stockpile is being built using haul trucks as ...

Revisions of Sampling Procedures for Aggregates and ...

Tex-400-A, Sampling Flexible Base, Stone, Gravel, Sand, and Mineral Aggregates. – Requires building 4 sample pads from each quarter point of the stockpile, 16 sample pads in total for one stockpile. – Requires 1 sample from each sample pad, 16 sample bags or containers for each

Sampling Aggregates | Ontario Sand, Stone & Gravel Association

Sampling fine aggregate from a stockpile is somewhat simpler since it has a lower tendency to segregate: Insert sampling shovel at base and move vertically to obtain sample. These three steps are repeated at select points around the pile. A second method of sampling fine aggregate involves using a sampling tube. The tube, which is about 1 ¼ in ...

Florida Method of Test for Sampling Aggregates

"5.9. Sampling from a Stockpile of Fine Aggregate Using a Sampling Tube (Alternate Method) Samples should be taken at random locations in the stockpile: three in the lower third, two in the middle, and one just below the upper third. (See Note 3) Overlying material on the sampling area should be cleared. The sampling personnel should

SAMPLING OF AGGREGATES FOP FOR AASHTO T 2 Scope …

aggregates (CA and FA) in accordance with AASHTO T 2-91. Sampling from conveyor belts, transport units, roadways, and stockpiles is covered. Apparatus • Shovels or scoops, or both • Sampling tubes of acceptable dimensions • Mechanical sampling systems: normally a permanently attached device that allows a

Aggregate Stockpiling and Handling

• Build stockpile with fixed height conveyors • Build stockpiles with trucks, loaders or dozers. 15 Segregation Segregation - Stacker Conveyor. 16 Segregation Segregation - Size and Shape •Size ranges •Coarse ... • Changes in the aggregate properties will cause changes

834.1 Sampling and Testing

the finished product conveyor belt or stockpile. Obtaining samples from the belt discharge is acceptable if the full production stream can be obtained with sufficient rapidity and safety. Production samples are taken during aggregate crushing and stockpile operations and can only be conducted or witnessed by HTCP certified QC personal.

Sampling Aggregate for Bituminous Mixtures, Surface ...

during sampling. 3.2.3.4 Do not use the aggregate on the surface of the stockpile as a part of the sample. 3.2.3.5 In each instance, dig a small trench or hole into the pile approximately 1 ft. deep and take the sample from the innermost part of the hole. 3.2.3.6 Take samples from these 3 points at several places around the stockpile and combine

IWRG702 Soil sampling v7

Stockpile sampling techniques Two documents that provide useful guidance on the techniques for sampling of soils from stockpiles are: • Australian Standard 1141.3.1 Methods for sampling and testing aggregates, Method 3.1: Sampling – Aggregates • Cement Concrete & Aggregates Australia Guideline to SAMPLING for the Extractive Industry,

Quality Control Sampling Of Sand And Rootzone Mixture ...

sampling putting green rootzone mixture stockpiles. The standard states, "If circumstances make it necessary to obtain samples from a stockpile of coarse aggregate or a stockpile of combined coarse and fine aggregate, design a sampling plan that will give confidence in results therefrom that is agreed upon by all parties concerned

aggregate sampling from stockpile - daikichisushi.fr

Mar 16, 2020· Stockpile sampling. Perhaps the most common manual sampling method for aggregates is stockpile sampling. There are different approaches to collecting a sample in this fashion, but all methods exhibit the same issues to some degree or another. Stockpile sampling methods involve collecting material directly from the product pile. 1.

HOW TO COLLECT AGGREGATE SAMPLE FROM STOCKPILE ...

Aggregate Sampling from Stockpile Aggregate Sampling from Stockpile. Using a front end-loader, dig into the stockpile and set aside small pile of 10 to 15 ton of material. When forming the small pile, the loader bucket must be kept as low as possible and roll the material from the bucket rather than dumping the material.

2 METHODS OF AGGREGATE SAMPLING - CivilBlog.Org

02b - Aggregate Sampling

Aggregate Sampling Obtainingunbiasedfieldsamplesfromstockpilesis notoriouslydifficult,butitcanbedonewithcareand attentiontodetail.Abucketloadermakestheprocess

PERFORMANCE EXAM CHECKLIST SAMPLING AGGREGATE …

AGGREGATE WAQTC FOP AASHTO R 90 (18) 17_R90_pr_18 Aggregate 3-12 Pub. October 2021 . Stockpile Method A – (Loader sampling) 17. Loader operator directed to enter the stockpile with the bucket at least 150 mm

Coarse Aggregate Source Approval Policy

The CML shall sample a representative quantity of aggregate from a stockpile at the quarry. Enough material shall be obtained so a split sample remains (untested) for subsequent examination and testing by ODOT if deemed necessary. A copy of the test report shall be submitted by the CML directly to the office of the Materials Division Engineer.

Basic Aggregates/Sampling Flashcards | Quizlet

When sampling from a stockpile, you must obtain your composite sample from at least _____ elevations/locations of the stockpile. 3. When using a sampling tube on fine aggregates, you must obtain portions from _____ different locations. 5 or more. You must sample from a minimum of _____ locations when sampling from a conveyor belt. ...

SAMPLING OF AGGREGATES FOP FOR AASHTO T 2 (11) …

AGGREGATE WAQTC AASHTO T 2 T2_short Aggregate 1-1 October 2011 SAMPLING OF AGGREGATES FOP FOR AASHTO T 2 (11) Scope This procedure covers sampling of coarse, fine, or a combination of coarse and fine aggregates (CA and FA) in accordance with AASHTO T 2. Sampling from conveyor belts, transport units, roadways, and stockpiles is covered. Apparatus