• Inspection Sampling Procedures for Fine Coarse

    “Method of Sampling Stockpile Aggregate.” SIZE OF ORIGINAL SAMPLES The key to any sample program is to obtain a representative sample. A standard sampling method must be followed to obtain uniform samples. 2-2 The following is a list of recommended minimum sizes of composite

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  • HOW TO COLLECT AGGREGATE SAMPLE FROM STOCKPILE ...

    Jan 05, 2015  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.

  • 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

  • ASTM D75 / D75M - 19 Standard Practice for Sampling Aggregates

    Note 3: The preliminary investigation and sampling of potential aggregate sources and types occupies a very important place in determining the availability and suitability of the largest single constituent entering into the construction. It influences the type of construction from the standpoint of economics and governs the necessary material control to ensure durability of the resulting ...

  • AASHTO T2 Aggregate Sampling - YouTube

    Jul 22, 2016  The Aggregate Sampling Basics video covers the importance of proper sampling, and why we need to sample aggregate. ... Making a Mini Stockpile for Sampling - Duration: 3:27. PHIL RETHERFORD 1,863 ...

  • 作者: FDOT Training
  • 2 METHODS OF AGGREGATE SAMPLING - CivilBlog.Org

    Apr 22, 2015  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. This should be done in the same manner as if a ...

  • MB1- Sampling of Stockpiles - CSIR

    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

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  • 9 Sampling

    LOAD-OUT SAMPLING Coarse Aggregate Stockpiles Coarse aggregates are recommended to be sampled using ITM 207. Fine Aggregate Stockpiles Fine aggregate samples normally are obtained in the same method as coarse aggregate samples, except a fire shovel or sampling

  • SAMPLING OF AGGREGATES FOP FOR AASHTO T 2 (11) Scope

    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

  • Tips on Aggregate Sampling for Sieve Analysis - Gilson Co.

    D75 also allows the use of sampling tubes to sample a stockpile at random locations. Carefully collect the entire contents of each shovel or scoop full into an appropriate container. Conveyor Belts- Conveyor belts are often considered the best source for representative sampling during aggregate production.

  • Seal Coat and Surface Treatment Manual: Stockpiling Aggregate

    Ideally, any sample taken from any area of the stockpile should contain a representative sampling of the complete range of sizes. Degradation. The breaking apart of the aggregate particles.

  • Aggregate Handling Best Practices - Columbia, SC

    Batching Samples • Fractionate each aggregate to No. 8 sieve –Recommended by Asphalt Institute. We do not like this method due to potential for fines to segregate • Fractionate each aggregate to No. 200 –If stockpile aggregates do not match what quarry expects to

  • 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 ...

  • Chapter 3 - Aggregate Sampling, Testing, and Quality ...

    Aggregate Sampling, Testing, and Quality Assurance 31 reducing samples of aggregates to testing sizes. Their specification includes standard proce- dures for sampling aggregates from a roadway, flowing stream, conveyor belt, stockpile, or truck to ensure representative samples

  • FIELD SAMPLING AND TESTING MANUAL TESTING

    aggregate are desired, this test method is used on the aggregate sample prior to dry sieving according to ND T 27. The results of this procedure are included in the calculations for ND T 27. REFERENCED DOCUMENTS ND T 2 and AASHTO T 2, Sampling Aggregates AASHTO T 11, Materials Finer than No. 200 Sieve by Washing

  • Procedures for Aggregate Inspection 06172019

    figure 24: typical sample patterns – left show distribution of sampling sites through the stockpile if ten sample points are taken from a radial stacker stockpile- right shows distribution of sampling sites through the stockpile if

  • Dump Truck and Stockpile Sampling - Geology ...

    Option A: With large sample sizes of ROM material, crushing then splitting is the best option (if available). Option B might be to "cone and quarter" with a loader / IT then crush and split further. Option C: get the material on a belt and use a good sampling system Option D: grab a few rocks and pretend you know the grade of the stockpile.

  • GUIDELINES FOR SAMPLING OF AGGREGATE MATERIALS

    SAMPLING OF AGGREGATE MATERIALS 1. SCOPE 1.1 The purpose of these guidelines is to outline procedures and requirements for sampling of granular, coarse, and fine aggregate materials for quality assurance testing. 2. GENERAL 2.1 Whether stockpile, delivery, or road sampling has been chosen, the procedure for obtaining a sample must be strictly ...

  • ITM 207, Stockpile Sampling - YouTube

    Aug 12, 2015  ITM 207, Stockpile Sampling Jon Havens. Loading... Unsubscribe from Jon Havens? ... AASHTO T2 Aggregate Sampling - Duration: 16:37. FDOT Training 21,298 views. 16:37.

  • 作者: Jon Havens
  • S20 CMM - 860 Materials Testing and Acceptance - Aggregates

    sampling temperature measurements every ten minutes for the duration of the test. 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

  • Aggregate QC/QA User Manual

    Fine aggregate samples may be obtained from the stockpile using a tube approved by the Department. The tube shall be a minimum of 1¼” (30mm) in diameter by 6 feet (2m) in length. The tube shall be constructed of aluminum or PVC.

  • 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

  • Quality Control Sampling Of Sand And Rootzone Mixture ...

    ASTM D 75-97, Standard Practice for Sampling Aggregate, offers some guidance regarding the best method of 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,

  • S20 CMM - 834 QMP - Aggregate

    Aggregate sampling techniques and minimum sample sizes must be in accordance with the appropriate sample method. Use of larger samples should be considered by the QC staff to increase the probability of obtaining ... stockpile sample is advisable before resuming placement. Multiple stockpile tests for the same project and source are not required.

  • Aggregate QC/QA User Manual

    Fine aggregate samples may be obtained from the stockpile using a tube approved by the Department. The tube shall be a minimum of 1¼” (30mm) in diameter by 6 feet (2m) in length. The tube shall be constructed of aluminum or PVC.

  • 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

  • Quality Control Sampling Of Sand And Rootzone Mixture ...

    ASTM D 75-97, Standard Practice for Sampling Aggregate, offers some guidance regarding the best method of 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,

  • S20 CMM - 834 QMP - Aggregate

    Aggregate sampling techniques and minimum sample sizes must be in accordance with the appropriate sample method. Use of larger samples should be considered by the QC staff to increase the probability of obtaining ... stockpile sample is advisable before resuming placement. Multiple stockpile tests for the same project and source are not required.

  • Aggregate Acceptance

    Sample Delivery Process. Programs. Gensamp Program [Opens a New E-Mail] Gensamp is a free program for aggregate producers for the uploading of test data into the FDOT Laboratory Information Management System. Please select the above link to request a copy of the file. Stockpile Sampling [XLS - 260KB] Listings. Aggregate Pit Proctor Report

  • Aggregate QC/QA User Manual - All Items

    When sampling aggregate base material, the sample is obtained from a stockpile, conveyor belt, or any other location approved by the Department according to established procedures and taken to the laboratory. When sampling aggregate base material, follow the sampling procedures listed in Exhibit C.

  • 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 ...

  • CHAPTER 2 SIEVE ANALYSIS AND FINENESS MODULUS

    Fine aggregate may be sampled with a sampling tube approximately 1 ¼ inches (30 mm) in diameter and 6 feet (1.8 meters) in length. Or if sampling a stockpile of sand, or ! ne aggregate, it is usually necessary to remove the dry layers where the segregation occurs and sample the damp material below. !

  • Guideline to Sampling for the Extractive Industry

    The objective of this document is to guide sampling personnel in a simple step-by-step manner to establish the most appropriate sampling method to be adopted in a variety of situations.

  • Test method T100 - Home - Roads and Maritime Services

    (a) Carry out sampling of material in accordance with the appropriate test method listed in Table 1. Table 1 –Test Methods for Sampling Material Test Method Locations Aggregate and rock products with a ≤ 63 mm nominal size (includes soil, sand and aggregate) AS 1141.3.1 Conveyor, bin, truck, stockpile, placed earthworks or pavement

  • Standard Practice for Sampling Aggregates

    X1. SAMPLING AGGREGATE FROM STOCKPILES OR TRANSPORTATION UNITS X1.1 Scope X1.1.1 In some situations it is mandatory to sample aggre-gates that have been stored in stockpiles or loaded into rail cars, barges, or trucks. In such cases the procedure should ensure that segregation does not introduce a serious bias in the results. X1.2 Sampling from ...

  • 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.

  • Manual vs. Automatic Sampling: Why Aggregate Producers ...

    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. Safety Issues

  • BASE AGGREGATES

    6 Sampling from a stockpile permitted only after approval of the Engineer. ... When the Contractor/Material Source or Engineer acquires aggregate samples at an aggregate production plant, the plant shall provide a calibrated mechanical means for obtaining samples. 1. If a mechanical means is not provided, a belt cut from a stopped conveyor will be

  • Test method T100 - Home - Roads and Maritime Services

    (a) Carry out sampling of material in accordance with the appropriate test method listed in Table 1. Table 1 –Test Methods for Sampling Material Test Method Locations Aggregate and rock products with a ≤ 63 mm nominal size (includes soil, sand and aggregate) AS 1141.3.1 Conveyor, bin, truck, stockpile, placed earthworks or pavement

  • Standard Practice for Sampling Aggregates

    X1. SAMPLING AGGREGATE FROM STOCKPILES OR TRANSPORTATION UNITS X1.1 Scope X1.1.1 In some situations it is mandatory to sample aggre-gates that have been stored in stockpiles or loaded into rail cars, barges, or trucks. In such cases the procedure should ensure that segregation does not introduce a serious bias in the results. X1.2 Sampling from ...

  • Fun Fact Friday: Aggregate Sampling Encorus Group

    Feb 28, 2020  Aggregates can be sampled during production, or from stockpiles. Production sampling most commonly takes samples directly from conveyor belts moving the material from place to place. At least three samples are taken from the moving belt in order to get an accurate cross-section of the material being used.

  • BS 812-102:1989 - Testing aggregates. Methods for sampling ...

    BS EN 932-1:1997 Tests for general properties of aggregates. Methods for sampling BS 7943:1999 Guide to the interpretation of petrographical examinations for alkali-silica reactivity ; PD 6682-6:2009+A1:2013 Aggregates. Aggregates for unbound and hydraulically bound materials for use in civil engineering works and road construction.

  • BASE AGGREGATES

    6 Sampling from a stockpile permitted only after approval of the Engineer. ... When the Contractor/Material Source or Engineer acquires aggregate samples at an aggregate production plant, the plant shall provide a calibrated mechanical means for obtaining samples. 1. If a mechanical means is not provided, a belt cut from a stopped conveyor will be

  • SAMPLING FLEXIBLE BASE, STONE, GRAVEL, SAND, AND

    during sampling. 5.4.3 Do not use the aggregate on the surface of the stockpile as a part of the sample. 5.4.4 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. 5.4.5 Take samples from these three points at several places around the stockpile and combine ...

  • aggregate stockpiling equipment

    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 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

  • Answered: Samples of coarse aggregate from a bartleby

    Mar 12, 2020  Samples of coarse aggregate from a stockpile are brought to the laboratory for determination of specific gravities. The following weights are found:Mass of moist aggregate sample as brought to the laboratory: 5,298 gMass of oven dried aggregate: 5,216 gMass of aggregates submerged in water: 3,295 gMass of SSD (Saturated Surface Dry) Aggregate: 5,227 gFinda.

  • Aggregate Qualified Sampler Technician

    Sampling of Aggregates (AASHTO T-2) This course covers various types of sampling methods. Sampling a stockpile using a board and shovel method, sampling Fine Aggregate using a Sampling tube, Sampling a stockpile using a front-end loader, and sampling a mineature stockpile using a sampling theif, and etc.

  • MICRO-SURFACING CONSTRUCTION INSPECTION GUIDELINES

    Adding aggregate to an existing stockpile requires the Engineer’s approval and subsequent QC and QA testing after the aggregate is added and blended into the stockpile. The Regional Materials Engineer and Engineer should discuss who will take the Department’s QA samples from the aggregate stockpile for gradation and friction testing.

  • CRD-C100-75 Method of Sampling Concrete Aggregate and ...

    AGGREGATE, SAMPLING; SELECTION OF MATERIAL (G 100-75) 3 (3 m) in thicknessFinal evaluatio. n of sources from which it is proposed to produce 6-in. (150-mm) aggregate should be made on samples from which 6-in. (150-mm) aggregate can be pro-cessed; such samples may best be ob-tained by use of large- (36- to 40-in.) (1-m) diameter calyx core drills.

  • FOP AASHTO R 90 (18) - WAQTC

    37_R90_short_18 Aggregate 10-4 Pub. October 2019 Stockpiles Method A – Loader Sampling 1. Direct the loader operator to enter the stockpile with the bucket at least150 mm (6 in.) above ground level without contaminating the stockpile. 2. Discard the first bucketful. 3.

  • Standard Practice for Sampling Aggregates1

    aggregate or mixed coarse and fine aggregate from stockpiles whenever possible, particularly when the sampling is done for the purpose of determining aggregate properties that may be dependent upon the grading of the sample. If circumstances make it necessary to obtain samples from a stockpile