• Quality tests for aggregates and concrete mix design

     · Clay Lumps % 1% (maximum) FINE AGGREGATE (SAND): Organic Impurities meet standard color No.3 or Lighter Color Soundness % 12 (maximum) Sand Equivalent 75 (minimum) ADMIXTURE (ULTRA RETADER 310) Specific Gravity 1.175 Chloride Content Confirms to ASTM C - 494type B Admixture PH Value 7.00-8.00 41.

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  • Sand Equivalent Test Method Explained and The Process ...

    Sand Equivalent Solutions: Stock Solution is a concentrated mixture of calcium chloride in glycerin and is added to distilled water when preparing the working solution used in the test method. One gallon (3.8L) of the stock solution makes over 44 gallons of working solution. Because the blend is an ideal medium for fungal growth, a bioicide such as formaldehyde or glutaraldehyde is generally ...

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  • BACKFILL EXCAVATED BANK OR SHEETING CLEARANCE …

    sand equivalent (min.) 20 3. concrete bac kfill shall be poured from wall to wall of the trench and from the bottom of the trench to a minimum depth of 4" (100 mm) over the top of the pipe. 4. concrete backfill shall be provided for rcp 21" (525 mm) in diameter or less where the …

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  • sand equivalent requirements in concrete aggregates

     · 815.2.01 Graded Aggregate A. Requirements 1. … sieve shall have a sand equivalent of at least 20 for Group I … 815.2.03 Crushed Concrete Base A. Requirements » More detailed Aggregates for Concrete – ACI – American Concrete Institute

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  • Sand Equivalent Value of Soils and Fine Aggregate

    sand reading clay reading • If the calculated sand equivalent is not a whole number, report it as the next higher whole number. • Higher sand equivalent values indicate "cleaner" (less fine dust or clay-like materials) aggregate. • Typical sand equivalent values range from less than 30% to more than 90%.

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  • MINIMUM COVER REQUIREMENTS, 0 TO 600 VOLTS, Burial …

    thick concrete or equivalent . 18 : 6 . 12 : 6 . 6 : Under minimum of 4-inch thick concrete exterior slab with no vehicular traffic and the slab extending not less than 6 inches beyond the underground installation . 18 : 4 . 4 : 6 (direct burial) 4 (in raceway) 6 : Under streets, highways, roads, alleys, driveways, and parking lots . 24 : 24 ...

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  • Limits For Sand Equivalent Of Aggregate For Concrete ...

    minimum sand equivalent in structural concrete – SAMAC... CAST-IN-PLACE CONCRETE . ASTM C31 ... concrete specify a minimum sand equivalent ... 3 SPeCIfICAtIon for MAnUfACtUred SAnd AS ConCrete fIne AGGreGAte ...

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  • Equivalent Sand

    The procedure is to first determine the equivalent sand roughness h from Table 9.1 based on the nature of the surface in question and then to determine the roughness parameter l/h using the length l of the component being analyzed. Then, using Equations (9.9) and (9.10), depending upon the speed range under consideration, determine the cut-off Reynolds number.

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  • sand equivalent requirements in concrete aggregates ...

    Sand Equivalent … Organic Impurities in Fine Aggregates for Concrete, … Section 801 Fine Aggregate – Welcome to the GDOT. This section includes the requirements for fine aggregate. … Concrete sand that passes the No. 10 … Sand equivalent 70 or greater 5. ASTM D2419 – 09 Standard Test Method for Sand Equivalent Value of …

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  • METHOD OF TEST FOR SAND EQUIVALENT

    1. Sand Equivalent Test Apparatus (Figure 1). a. A graduated plastic cylinder, rubber stopper, irrigator tube, weighted foot assembly, and siphon assembly, all conforming to the specifications and dimensions shown in TL drawing number C 218 (Figure 3). A glass or plastic container with cover, having a minimum capacity of 3.8 L, and

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  • EXCAVATION AND BACKFILL

    minimum 85 percent relative compaction. 90 percent relative compaction will be required where the fill over the pipe is less than 4''-0" or † OD. In addition, the minimum sand equivalent in these areas shall be 25 and the material shall not contain rocks, broken concrete, or other solid material exceeding 3" in greatest dimension. COUNTY ROUTE

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  • Research on Bituminous Pavements Using the Sand …

    mends that specifications prescribe the following minimum sand equivalent numbers: Minimum Sand Materials Equivalent Numbers Crusher run or gravel base materials 30 Aggregates and selected materials for road mix bituminous treatment 35 Aggregates for plant mix bituminous surface 45 Aggregates for asphaltie concrete or Class A plant mix 55 ...

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  • CONCRETE STANDARDS | theconcreteinstitute

    List of South African standards relevant to cement and concrete . ... Part AG5, Sand equivalent value of fine aggregates. SANS 3001-AG10:2012. Civil engineering test methods. Part AG10, ACV (aggregate crushing value) and 10% FACT (fines aggregate crushing test) values of coarse aggregates.

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  • Specification of historic concrete

    The specification of concrete in accordance with CP 114, Structural use of reinforced concrete in buildings (first published in 1948), was on the basis of cement: fine aggregate: coarse aggregate ratios by volume, namely 1:1:2, 1:1½:3 and 1:2:4. The code gave minimum values for the cube strengths associated with the three Nominal Mixes.

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  • Minimum Sample and Test Requirements

    Sand Equivalent 10 or more above minimum Reduce test frequency to 1 test per lot 7 to 9 above minimum Reduce test frequency to 2 tests per lot 4 to 6 above minimum Reduce test frequency to 3 tests per lot Within 3 of minimum No reduction in test frequency +#4 and -#4 Lightweight Particles (less than 1.95 Specific Gravity)

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  • 2010 STANDARD PLAN A62DA EXCAVATION AND BACKFILL …

    MINIMUM CLASS AND D-LOAD Min Min EXCAVATION BACKFILL to a minimum 90 percent relative compaction. In to a minimum 90 percent relative compaction. In MIDDLE BEDDING SEE NOTE 5 addition, the minimum sand equivalent in these areas shall be 30 and the maximum percentage The haunch and outer bedding shall be compacted The haunch and outer bedding ...

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  • allowable sand equivalent value for asphalt and concrete

     · allowable sand equivalent value for asphalt and concrete. allowable sand equivalent value for asphalt and concrete. Sand equivalent value - soil testing engineering - eng-tips.Jun 30, 2009 either clay content should be calculated as 100-sand equivalent value to set minimum requirement as above or if we use sand equivalent, what the spec should set is a maximum requirement.I read …

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  • minimum sand equivalent in concrete | Mining & Quarry Plant

    SAND Concrete Ton 7.98 0.0 +3 … aThe criteria denotes the minimum allowable … particles passing the No. 4 sieve shall meet the following minimum sand equivalent … sand equivalent value of fine aggregate in concrete in Qatar …

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  • Sand Equivalent Test Sets

    Sand Equivalent Test Sets are used to indicate the relative proportions of clay-like fines in granular soils and fine aggregates. Gilson sets include everything required in ASTM and AASHTO test methods to conduct the test except the shaker. Both Sand Equivalent Sets include four Clear Plastic Graduated Cylinders, a Siphon Assembly, Irrigator Tube, Weighted Foot Assembly, Plastic Funnel, Solid ...

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  • ASTM SPECIFICATIONS FOR CONCRETE MASONRY UNITS

    ASTM C73 (ref. 12) covers brick made from sand and lime. Two grades are included: Grade SW—Brick intended for exposures below freezing in the presence of moisture. Minimum compressive strength requirements are 4,500 psi (31 MPa) for an individual unit and 5,500 psi (37.9 MPa) for an average of three units, based on average gross area.

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  • Quality Testing of Sand for Concrete | Quality Testing of ...

    3. Particle Size Distribution –. This test can be conducted on-site or in the laboratory for every 40 co sand. 4. Sandpile –. This test is conducted on-site for every 20 sand. Based on the bulking of the sand, the water-cement ratio suitable for concrete on site is calculated. Also, read: Procedure for Rcc Concrete.

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  • ASTM C33 / C33M

    C666/C666M Test Method for Resistance of Concrete to Rapid Freezing and Thawing. C1778 Guide for Reducing the Risk of Deleterious Alkali-Aggregate Reaction in Concrete. D75/D75M Practice for Sampling Aggregates. D422 Test Method for Particle-Size Analysis of Soils. D2419 Test Method for Sand Equivalent Value of Soils and Fine Aggregate

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  • STANDARD SPECIFICATION PART 1

    B. Imported sand shall have a coefficient of permeability greater than 0.014 measured in accordance with ASTM D2434 or a minimum sand equivalent of 30 per ASTM D2419. Imported sand shall have a saturated resistivity greater than 1,000 ohm-cm, a neutral pH, and chlorides less than 100 ppm. 2.04 CRUSHED ROCK FOR BELOW GROUND INSTALLATIONS

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  • METHOD OF TEST FOR SAND EQUIVALENT

    1.Sand Equivalent Test Apparatus (Figure 1). a.A graduated plastic cylinder, rubber stopper, irrigator tube, weighted foot assembly, and siphon assembly, all conforming to the specifications and dimensions shown in TL drawing number C 218 (Figure 3). A glass or plastic container with cover, having a minimum capacity of one gallon, and fitted ...

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  • SAND EQUIVALENT VALUE SOIL & FINE AGGREGATES (ASTM …

     · Sand Equivalent Value Test Purpose To determine the percent of undesirable particles in the fine aggregate fraction used in the design of Portland cement concrete mixtures. The method is also applicable for determining the relative proportions of detrimental fine dust or claylike material in soils. Equipment and Materials The Sand Equivalent …

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  • Different Grades of Concrete, Their Strength and Selection ...

    Grade of concrete is denoted by prefixing M to the desired strength in MPa. For example, for a grade of concrete with 20 MPa strength, it will be denoted by M20, where M stands for Mix. These grade of concrete is converted into various mix proportions. For example, for M20 concrete, mix proportion will be 1:1.5:3 for cement:sand:coarse aggregates.

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  • AASHTO Pavement Thickness Design Guide

    Lean Concrete Subbase Depth vs kc, pci, (LS=1) 4 in 6 in: 8 in. 10 in 50 104 156. 205: 262 100 192 271: 354. 443 150 274 378. 488: 603 200 353 480: 612. 750 e. Concrete properties – Modulus of Elasticity (Ec) and Modulus of Rupture (S''c). S''c is the 28 day Flexural Strength of the concrete.

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  • ASTM D2419

    5.2 A minimum sand equivalent value may be specified to limit the permissible quantity of claylike or clay size fines in an aggregate. 5.3 This test method provides a rapid field method for determining changes in the quality of aggregates during production or placement.

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  • limits for sand equivalent of aggregate for concrete ...

    Sand equivalent value concrete astm. FLEXIBLE PAVING 2 Sand stone or slag screening ASTM D1073 3 Percent wear ASTM C131 less than 45 for aggregates retained in 10 sieve D Base Course Aggregates for Asphaltic Concrete 1 Uncrushed gravel may be used in mixture if it meets design criteria specified 2 Provide uniform quality bined aggregates with a minimum sand equivalent value of 40 3.

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  • minimum sand equivalent in concrete

    Minimum Sand Equivalent In Concrete. Sand Equivalent Value Soil testing engineering Eng . Jun 30, 2009 · In our Specification there is a requirement which says, ''the aggregate shall meet the sand equivalent (clay content)requirements. minimum sand equivalent . Get Price.

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  • Sand Equivalents

     · So if your sample has a 90 sand equivalent that means that 90% of the sample was good material and 10% was detrimental. If you have a 40 sand equivalent that means that 40% of the sample was good material and 60% was detrimental. Many materials such as concrete sands will have high SEs, in the 80s or 90s but it is very rare to see a 100 SE.

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  • Aggregates for Concrete

    Aggregates for Concrete bination of gravels or crushed stone with particles predominantly larger than 5 mm (0.2 in.) and generally between 9.5 mm and 37.5 mm (3⁄ 8 in. and 11⁄ 2 in.). Some natural aggregate deposits, called pit-run gravel, consist of gravel and sand that can be readily used in concrete after minimal processing. Natural ...

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  • SECTION 703

    concrete, exclusive of concrete for incidental construction, minimum frequency of sieve analysis and sand equivalent testing shall be once a day. Provide the Engineer access to project-related plant production records and when requested, informational copies of sampling and testing reports. Absolute volume of calcareous sand in fine aggregate ...

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  • SPECIFICATIONS

    ASTM C-33 Concrete Sand . Passing - 3/8" Sieve . ... MINIMUM SAND EQUIVALENT OF 30 . Cement Stabilized Sand Bedding/Backfill Section 02242 – 2 2.03 WATER Water shall be free of oils, acids, alkalies, organic matter or other deleterious substances. 2.04 SAND …

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  • Properties of Different Grades of Concrete Using Mix ...

    From the result of the sieve analysis, it shows that the sands used for the experiment is a well graded sand of zone 1 of BS882 parts 2 (1973). The average specific gravity of 2.63 was obtained, this result falls within the lower limits for natural aggregate which ... producer of concrete, except that the minimum cement content can be laid down ...

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