Aggregates for Concrete - Memphis

aggregates—sand, gravel, crushed stone, and air-cooled blast-furnace slag—produce freshly mixed normal-weight concrete with a density (unit weight) of 2200 to 2400 kg/m. 3 (140 to 150 lb/ft. 3). Aggregates of expanded shale, clay, slate, and slag (Fig. 5-3) are used to produce struc-tural lightweight concrete with a freshly mixed density

Section 801 Fine Aggregate

4. Concrete Sand Concrete sand that passes the No. 10 (2 mm) sieve shall have these characteristics: Characteristic Requirement Durability index 70 or greater Sand equivalent 70 or greater 5. Detrimental Substances Keep detrimental substances within these limits: Substance Maximum Percent by Weight Clay lumps 0.5 maximum in total sample

Limits For Sand Equivalent Of Aggregate For Concrete ...

sand equivalent limit for concrete – SAMAC. sand equivalent limit for concrete ... Fine aggregate shall consist of natural sand, ... concrete specify a minimum sand equivalent between 70 and ... Read more. sand equivalent requirements in concrete aggregates.

Item 421 Hydraulic Cement Concrete

1. 6–35 when sand equivalent value is greater than 85. 2. 0–6 for manufactured sand. 2.6.3. Intermediate Aggregate. Provide intermediate aggregate consisting of clean, hard, durable particles of natural, manufactured sand, slag, recycled crushed hydraulic cement concrete, lightweight aggregate, or a

Sand Equivalent Apparatus Manufacturers | Sand Equivalent ...

entekinstruments.com - Entek Instruments India Pvt Ltd New Delhi - Manufacturers, Suppliers and Exporters of Soil Testing Instruments, Construction Machine, Concrete Testing Equipments, Sand Equivalent Apparatus, Cement Testing Equipments, Aggregate Testing Instruments, Bitumen Testing Instruments, Surveying Instruments, Liquid Limit Device, Plastic Limit Apparatus, Sieve Shakers, …

Aggregates for Use In Concrete

All other concrete 1.0 Source: Table 1 Limits for Deleterious Substances in Fine Aggregate for Concrete, ASTM C 33. * In the case of manufactured sand, if the material finer than the 75-micron (No. 200) sieve consists of the dust or fracture, essentially free of clay or shale, these limits are permitted to be increased to 5 and 7%, respectively.

Classification Equipment - Myers Aggregate Testing Equipment

Classification equipment determines void content, flakiness, elongation, and soft particles in aggregates. The organic impurities test set finds the possible presence or organic compounds in fine aggregates. Shake samples in a special graduated bottle with a 3% sodium hydroxide solution and then let stand for 24 hours.

(PDF) QCS 2014 Qatar Construction Specifications (Section ...

Fines quality a) Structural concrete 2 Sand Equivalent (%) 933-8 60% min IC b) Non-structural concrete Methylene blue adsorption 933-9 1.0 (g/kg) N 3 value (0/2mm) max H 4. Clay lumps and friable particles C142 2% max 2% max C 5.

Equivalent Sand - an overview | ScienceDirect Topics

The sand equivalent test is used to limit the presence of clay material in the aggregate. The sand equivalent test ( AASHTO T176; ASTM D2419 ) is a rapid field test to show the relative proportions of fine dust or clay-like materials in fine aggregate (or granular soils).

Sand Equivalent Test Apparatus Manufacturers,Exporter India

sand Equivalent Limits for Concrete; Motorised Sand Equivalent Shaker; Sand Equivalent Test Apparatus Model No.: SET-1212 Standards: ASTM D 2419 AASHTO T 176. Specification; Accessories; Manuals; At Civil Lab Equipment Manufacturer, we manufacture, suppliers and exporters sand equivalent test apparatusof best quality to our clients in Delhi ...

Correlation of Concrete Properties with Tests for Clay ...

Relationship between Sand Equivalent value and liquid limit of contaminant -----8 4. Illustration of clay and sand reading in Sand Equivalent test -----9 ... concrete sand which was washed in the laboratory with a detergent to remove all minus 200 mesh material. The 1-z UJ 0 6.0 5.0 a:: 4.0 ~ z 0 ~-3.0 1-z

Materials Testing Manual | ADOT - Home | ADOT

Sieve Analysis and Separation of Salvaged AC Pavement Particles for Recycled Asphaltic Concrete: ARIZ 241b: May 18, 2018: Compressive Strength of Molded Cement Treated Base or Soil-Cement Specimens: ARIZ 242a: September 5, 1996: Sand Equivalent Test for Mineral Aggregate for Asphaltic Concrete Friction Course: ARIZ 244: July 1985

Motorized Sand Equivalent Shaker - Classification - Soils

Motorized Sand Equivalent Shaker. Mechanical motor driven shaker for use when performing sand equivalent tests. Synchronous gear drive assures 175 ( ±2) stroke per minute accuracy, eliminating errors inherent in hand shaking. Direct drive means no belts to replace and less maintenance between tests. 3-position electronic timer has presets for ...

A CRITICAL REVIEW OF TEST METHODS FOR DETERMINING …

that can have a negative impact on concrete properties. The most frequently employed method in New Zealand to ensure suitability of fine aggregates and sands for concrete is the sand equivalent test. This test has been reviewed, along with the other two readily available test methods in New Zealand, Clay Index and Plasticity Index.

DIRTY AGGREGATE, WHAT DIFFERENCE DOES IT MAKE?

The effects of clay in concrete fine aggregate on the properties of concrete are presented and discussed. The two most gen­ erally used tests, the loss by decantati.on and sand equivalent tests, are examined. The ability of these tests to measure the observed effects of …

METHOD OF TEST FOR SAND EQUIVALENT

1. Prepare sand equivalent test specimens from the passing No. 4 sieve portion of the material to be tested after it has been processed according to the procedures prescribed in California Test 201, except that reclaimed aggregate containing traces of asphalt or asphalt concrete shall not be oven dried at temperatures greater than 100˚F.

FIELD SAMPLING AND TESTING MANUAL TESTING …

ND T 89 Determining the Liquid Limit of Soils . ... and Air Content (Gravimetric) of Concrete . ND T 141 Sampling Freshly Mixed Concrete . ND T 152 Air Content of Freshly Mixed Concrete by the Pressure Method . ND T 166 Bulk Specific Gravity of Compacted Asphalt Mixtures Using Saturated ... ND T 176 Plastic Fines in Graded Aggregates and Soils ...

SAND EQUIVALENT TEST FOR CONTROL OF MATERIALS DURING ...

it is concluded that the sand equivalent test is useful in detecting the presence of adverse amounts of clay in granular base materials. it may be used as a quick field test to control the amount of adverse clays in concrete sand. it may also be used to limit the amount of fine dust or clay that may exist as a coating on particles of mineral ...

Bernardo Punzalan - SR. Civil Laboratory Technician ...

• Performed laboratory soils and materials testing according to AASHTO Standards Specification such as Gradation,Atterberg Limit, Moisture – Density Relationship, Specific Gravity and Absorption of Coarse and Fine Aggregates, Unit Weight Determination .Air Content of Fresh Concrete,Abrasion, Sand Equivalent,Clay Lumps

Sand Equivalent Testing - Classification - Soils

Sand Equivalent Testing. Laboratory or field test shows relative proportions of clays and fines in granular soils, sand or aggregate fines. Claylike materials remain suspended while heavier materials settle. Components may be ordered as replacement parts as listed …

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%.

LABORATORY MANUAL OF TEST PROCEDURES FEBRUARY 2021

use of Sand Equivalent Test Determining the Liquid Limit of Soils. ODOT AASHT O ASTM MFTP ... Concrete Determining the Percent of Fractured Particles ... use of Sand Equivalent Test Determining the Liquid Limit of Soils. ODOT AASHT O ASTM MFTP T 267 D 2974 T 208 D 7012 T 88 T 236

Materials Testing Forms | FHWA - Transportation

Worksheet for a Marshall Mix Design AASHTO T 245. FHWA 1624. Worksheet for Determining Liquid Limit and Plastic Limit of Soils AASHTO T 89 and T 90. FHWA 1625. Worksheet for Determining Moisture/Density Relationships AASHTO T 99 and T 180. FHWA 1626. Worksheet for Determining Sand Equivalent AASHTO T 176. FHWA 1627.

FOP AASHTO T 176 - WAQTC

SAND EQUIVALENT TEST FOP FOR AASHTO T 176 . Scope . This procedure covers the determination of plastic fines in accordance with AASHTO T 176-08. It serves as a rapid test to show the relative proportion of fine dust or clay-like materials in fine aggregates (FA) and soils. Apparatus . See AASHTO T 176 for a detailed listing of sand equivalent ...

WSDOT Errata to FOP for AASHTO T 176

SAND EQUIVALENT TEST FOP FOR AASHTO T 176 Scope. This procedure covers the determination of plastic fines in accordance with AASHTO T 176-02. It serves as a rapid test to show the relative proportion of fine dust or claylike materials - in fine aggregates (FA) and soils. Apparatus. See AASHTO T 176 for a detailed listing of sand equivalent ...

New Test Method for Assessing Fine Aggregate | Agg-Net

Fine aggregates in Australia must comply with AS2758.1.1 In light of this specification, in 2007 Cement Concrete Aggregates Australia (CCAA) made significant efforts to determine the applicability of this standard towards manufactured sands.2-6 It recommends several useful tests including sand equivalent and methylene blue value.

Sand Quality test at Construction site - CIVIL SITE VISIT

Sand is a basic raw material used in the construction industries. It is fine aggregate having the particle size between 150 microns and 4.75 mm. Quality of sand is as much of importance as other materials for concrete. Testing of Sand Quality at Construction Site. Following are the tests for sand at construction site: Rubbing Test Rubbing test

DIVISION 9 – MATERIALS - Michigan

Sand Equivalent of Fine Aggregate ..... ASTM D2419 Flat Particles, Elongated Particles, or Flat and ... Stone sand in concrete base course or structural concrete is ... processing crushed concrete coarse aggregate. Limit contamination particles retained on the ⅜-inch sieve to …

ASTM D2419 - 14 Standard Test Method for Sand Equivalent ...

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.

Section 815 Graded Aggregate

NOTE 4: Material passing the No. 10 (2 mm) sieve shall have a sand equivalent of at least 28 for Group II aggregates. Sand Equivalent values as low as 20 will be acceptable provided they are attributed exclusively to rock flour and the percent passing the No. 10 (2 mm) sieve does not exceed 40. B. Fabrication General Provisions 101 through 150.

Effects of Sand Quality on Compressive Strength of ...

Concrete mix ratio of 1:1.5:3:0.57 (cement:sand:coarse aggregates:water) as it is used for most low rise structural buildings was designed for an expected compressive strength of 25 MPa at 28 days using 20 mm maximum aggregates size and ordinary Portland cement.