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los angeles abrasion steel ball specification

los angeles abrasion steel ball specification

LOS ANGELES ABRASION VALUE OF AGGREGATE 1.Objective Abrasion test is carried out to test the hardness property of aggregates. The principle of Los Angeles abrasion test is to find the percentage wear due to relative rubbing action between the aggregate and steel balls used as abrasive charge. 2.Apparatus Required Fig. 1: Balance

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  • Los Angeles Abrasion Test Procedure, Method, Significance

    Los Angeles Abrasion Test Procedure, Method, Significance

    The Los Angeles (L.A.) abrasion test is a common test method used to indicate aggregate toughness and abrasion characteristics. Aggregate abrasion characteristics are important because the constituent aggregate in HMA must resist crushing, degradation and disintegration in order to produce a high quality HMA. Apparatus: Steel Spherical Balls

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  • 1210 LOS ANGELES RATTLER

    1210 LOS ANGELES RATTLER

    Jan 03, 2005 The Los Angeles Rattler test is a measure of degradation of mineral aggregates of standard gradings resulting from a combination of actions including abrasion or attrition, impact, and grinding in a rotating steel drum containing a specified number of steel spheres (dependent upon the test sample's grading)

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  • Los Angeles Abrasion Test | Lab Experiment | Significances

    Los Angeles Abrasion Test | Lab Experiment | Significances

    Steel balls are used as an abrasive charge for creating the rubbing action in the test. The percentage wear of the aggregates due to rubbing with steel balls is taken as abrasion value. 2. Significances of Los Angeles Abrasion Test a

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  • Los Angeles Abrasion Testing Machine India Engineering

    Los Angeles Abrasion Testing Machine India Engineering

    Description & Specification: Los Angeles Abrasion Testing Machine. There is an opening which can be closed with a dust tight cover to facilitate charging and discharging the drum with the material under test. A detachable shelf which extends throughout the inside length of the drum which catches the abrasive charge and does not allow it to fall

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  • LA abrasion test|Los Angeles Abrasion Test|LAA Test on

    LA abrasion test|Los Angeles Abrasion Test|LAA Test on

    The weight of the wear of aggregate with the steel ball is measured and is expressed in percentage that is known as the Los Angeles abrasion value. Hence, the main objective of this test is to find the LAA value and judge it €™s suitability for Road construction

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  • LOS ANGELES ABRASION TEST ON AGGREGATES

    LOS ANGELES ABRASION TEST ON AGGREGATES

    Jun 17, 2020 1.Steel Spherical Balls- Cast iron or steel balls, approximately 48mm in diameter and each weighing between 390 to 445 g; six to twelve balls are required. 2.Los Angeles Machine (The machine is equipped with a counter. The machine shall consist of hollow steel

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  • ELE International - Los Angeles Abrasion Machine with CE

    ELE International - Los Angeles Abrasion Machine with CE

    Los Angeles Abrasion Machine The machine consists of a closed hollow cylindrical steel drum rotating around its horizontal axis on ball bearing units mounted on a sturdy base framework. Also the full enclosure ensures noise is minimized

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  • Why are steel balls used in the Los Angeles abrasion test

    Why are steel balls used in the Los Angeles abrasion test

    * Abrasion Needs 2 Different Material Subjected To Friction Resulting in Loss of Material * Attrition Needs Same Material Subjected To Friction Resulting in Loss of Material. Abrasion is Loss of Material Due To Friction Between 2 Different Materi

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  • Technical Info | Bureau of Engineering - Los Angeles

    Technical Info | Bureau of Engineering - Los Angeles

    The Bureau of Engineering offers access to specific data to Citywide users. However, please note that certain information may only be available to City employees. Standard Plans. Board Report Procedure Manual. Land Development Manual

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  • Los Angeles Abrasion Test Procedure, Apparatus

    Los Angeles Abrasion Test Procedure, Apparatus

    Aug 30, 2017 The Los Angeles test is a measure of degradation of mineral aggregates of standard gradings resulting from a combination of actions including abrasion or attrition, impact, and grinding in a rotating steel drum containing a specified number of steel spheres. The Los Angeles (L.A.) abrasion test is a common test method used to indicate aggregate toughness and abrasion

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  • IS 10070 (1982): Specification for machine for abrasion

    IS 10070 (1982): Specification for machine for abrasion

    *Specification for structural steel ( standard quality ) (J;flh revision ). 4. ... !fi.i Abrasion Machine ( Los Angeles Type ) - The abrasion machine ( Los Angeles type ) shall be constructed as shown in Fig. 1 and shall ... Ball bearings housed in brackets shall be mounted

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  • Abrasion Test On Aggregate | Los Angeles Abrasion Test

    Abrasion Test On Aggregate | Los Angeles Abrasion Test

    Los Angeles abrasion machine; Abrasive charge balls: Cast iron or steel balls, approximately 48mm in diameter and each weighing between 390 to 445 gm; six to twelve balls are required; Sieve: 1.70mm , 2.36mm, 4.75mm, 6.3mm, 10mm, 12.5mm, 20mm, 25mm, 40mm, 50mm, 63mm, 80mm IS Sieves. The balance of capacity 5 kg or 10 kg is used. Oven Drying

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  • ELE International - Los Angeles Abrasion Machine Meets

    ELE International - Los Angeles Abrasion Machine Meets

    Los Angeles Abrasion Machine with CE Safety Cabinet W/ Microswitches. 220-240V 50Hz 1Ph. 42-5310/01. The machine consists of a closed hollow cylindrical steel drum rotating around its horizontal axis on ball bearing units mounted on a sturdy base framework. Also the

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  • Los Angeles (LA) Abrasion Machine - Gilson Co

    Los Angeles (LA) Abrasion Machine - Gilson Co

    Abrasive charge of twelve hardened steel balls 46-48mm in diameter and 390-445 grams are included. Features: Electronic safety interlocks allow operation only with doors secured

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  • Replacement LA Abrasion Charge (12 Balls) - Gilson Co

    Replacement LA Abrasion Charge (12 Balls) - Gilson Co

    Abrasion Charge Balls are hardened steel and used in testing to measure degradation of standard gradings of aggregates when subjected to abrasion and impact. Ball diameter is 46-48mm (1.8-1.9in). Available in a set of 12. Ordering additional ball sets is recommended for increased sample preparation efficiency. Features: Made of hardened steel; Comes in set of 12; Meets ASTM and AASHTO standards; Included Items: HMA-130 LA Abrasion Charge Balls

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  • ELE International - Los Angeles Abrasion Machine

    ELE International - Los Angeles Abrasion Machine

    Los Angeles Abrasion Machine The machine consists of a closed hollow cylindrical steel drum rotating around its horizontal axis on ball bearing units mounted on a sturdy base framework. The drum is driven at a speed of between 30 - 33 rpm via an enclosed belt drive arrangement from an electric motor/gearbox unit situated on the base frame

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  • Los Angeles Abrasion Test on Aggregates -Values for

    Los Angeles Abrasion Test on Aggregates -Values for

    Feb 22, 2010 Los Angeles Machine; Abrasive charge: Cast iron or steel balls, approximately 48mm in diameter and each weighing between 390 to 445 g; six to twelve balls are required. Sieve: 1.70, 2.36, 4.75, 6.3, 10, 12.5, 20, 25, 40, 50, 63, 80 mm IS Sieves. Balance of capacity 5 kg or 10 kg; Drying oven; Miscellaneous like tray; Procedure for Los Angeles Test

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  • Los Angeles Abrasion Test On Aggregates - [ Civil Planets ]

    Los Angeles Abrasion Test On Aggregates - [ Civil Planets ]

    Los Angeles Test machine – It consists of a closed hollow steel drum with the inner diameter of 700mm and 500mm length which is mounted on a stub shaft. Steel ball – Dia of steel ball is 48mm, and the weight will be 390g to 445g. IS sieve – 80, 63, 50, 40, 25, 20, 12.5, 10, 6.3, 4.75 and 1.7 mm (as per gradation of aggregate) Tray; Oven

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  • (PDF) Standard Test Method for Resistance to Degradation

    (PDF) Standard Test Method for Resistance to Degradation

    D 6 2500 6 15 NOTE 7—Elimination of washing after test will seldom reduce the NOTE 5—Steel ball bearings 46.0 mm (113⁄16 in.) and 47.6 mm (17⁄8in.) measured loss by more than about 0.2 % of the original sample mass. in diameter, having a mass of approximately 400 and 440 g each, respectively, are readily available

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