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bs 812 flackiness index highways maintenance

  • Aggregates for concrete - Mineral Products Association

    The "flakiness index" is retained as a term, but the test method/equipment is new and there is no correlation with the BS 812 Test which will be withdrawn. PD 6682-1 gives guidance on recommend values. The new test for "shape index" effectively replaces the BS 812 elongation test, which again will be withdrawn, and assesses the Flakiness Gauge for Classification of Aggregate Particles . Suitable Standard: Meets BS 812 . Application: For determining flakiness index. Particle is flaky when its thickness (smallest dimension) is less than 0.6 of the mid-size of the sieve fraction.

  • ASTM D-4791 BS -812 Flakiness Test - YouTube

    Mar 04, 2019· ASTM D-4791 BS -812 Flakiness Test ... Flakiness test and Calculation. Category Education; ... Flakiness and Elongation Index of Aggregate - Duration: 19:14. May 08, 2013· The IS is using an obsolete British Standard procedure BS 812:105.1 flakiness test using a thickness gauge, It is already superseded by EN 933-3, flakiness index test using bar sieves not a thickness gauge anymore. Mr. Mithun is right, it is the percentage passing on each gauges were calculated and reported as flakiness Index.

  • Adobe PDF - Asphalt Specification

    bulk density between 1,60 Mg/m3 and 1,80 Mg/m3 when tested in accordance with BS 812-2. C. Particle shape The flakiness category for coarse aggregates shall be F1 35. C. Fines content The fines content for coarse aggregates shall be f 4. C.2.3.2 Fine aggregate c) a mixture of a) and b). bs 63: part 2: 1971 specifications for single-sized roadstone and chippings. part 2. metric units. this is a revised version of the earlier imperial-unit standard.

  • CE 354 Transportation Engineering Sessional I (Lab Manual)

    Ten Percent Fines Value), and shape characteristics (Flakiness Index, Elongation Index and Angularity Number) of aggregates used in roadway construction. The test procedures are described as per BS: 812:1975 (PART 1, 2, 3) standards. Second section describes the detail This test method covers tests for flat particles, elongated particles, or flat and elongated particles in coarse aggregate. In this text only flat and elongated particles in accordance with the procedure designated in Method B will be covered. Flat and elongated particles of coarse aggregates have a tendency to fracture more easily than

  • BSI - BS 812-105.1 - Testing aggregates - Part 105 ...

    Find the most up-to-date version of BS 812-105.1 at Engineering360. ... and Electronic Contract Manufacturing Engineering and Technical Services Industrial Automation Services Industrial Maintenance Material Handling and ... Methods for determination of particle shape - Section 105.1 Flakiness index inactive, Most Current Buy Now ... Nov 24, 2017· Aggregate Crushing Value BS 812-110 (Part 1) *Scope* The aggregate crushing value (ACV) provides relative measure of the resistance of an aggregate to …

  • 7 Lab Tests on Aggregates to Make Better Concrete for ...

    Take an aggregate sample of around 200 pieces of any fraction and weight it. Gauge each aggregate on length as well as thickness gauge. Take the weight of the aggregates which are retained from length gauge to find the elongation index and take the weight of the aggregates which passes through the thickness gauge to find the flakiness index. Effects of Particle Shape on Performance and Durability of Aggregates Used in Road Construction A Thesis submitted in partial fulfillment of the requirements for the ...


    described by flakiness index or shape index (according EN 933-3, EN 933-4). 14.5.1 Flakiness Index The flakiness index (FI) is calculated as the mass of particles that pass the bar sieves with parallel slots, expressed as a percentage of the mass of the test portion. 14.5.2 Shape Index Shape index is determined only on the coarse aggregates. Laboratory Testing 2000 ... 2.4 Flakiness Index (FI) and Average Least Dimension (ALD) BS812:Section 105.1:1989 2.5 Elongation Index BS812:Section 105.2:1990 ... 1.9 Compaction Test - BS Light and BS Heavy BS1377:Part 4:1990 1.10 CBR Test - One point method BS1377:Part 4:1990

  • Practice Note for Authorized Persons, Registered ...

    Re-issued under new categorization in August 2009 as Practice Note for Authorized Persons, Registered Structural Engineers and Registered Geotechnical Engineers Flakiness and Elongation Test - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. free

  • European Aggregate Sizes

    Where Highways Agency Design Manual For Roads and Bridges values do not coincide with BS EN 13043 categories, category PSV Declared should be adopted: AAV. Resistance to surface abrasion. Same as old BS 812 Aggregate Abrasion test. Where Highways Agency Design Manual For Roads and Bridges value is 10, category AAV 10 should be chosen. buy bs 812-102(1989) : 1989 testing aggregates - methods for sampling from sai global


    BS 812-105.1 : Testing aggregates - Part 105: Methods for determination of particle shape ... Part 105: Methods for determination of particle shape - Section 105.1 Flakiness index Includes all amendments and changes through Reaffirmation Notice, May 15, 2000. View Abstract Product Details Document History BS 812-105 ... Flakiness sieves: Controls aggregates testing equipment. Enter now! ... BS 812:105.1 Images. Flakiness sieve test set 47-D0415 ... 15 kg complete set; To evaluete the thickness and the elongation index of the aggregates particles, thickness gauge code 47-D0540 and length gauge code 47-D0541 can be used. See link to other products below. More + ...

  • seperti layang layang

    Mar 24, 2012· The Polished Stone Value (BS 812: Part 3) Gives A Measure Of Resistance Of Road Stone To The Polishing Action Of The Pneumatic Tire. Under Conditions Similar To Those Occurring On The Surface Of The Road Where The Surface Of The Road Consists Largely Of Road Stone, The State Of Polish Of The Sample Will Be One Of The Major Factors Affecting The Resistance Of The Surface … Dec 03, 2003· BS 812-105.1:1989-Testing aggregates. Methods for determination of particle shape. Flakiness index

  • Flakiness and Elongation Test (BS 812: Part 3) | seperti ...

    Mar 03, 2012· As such the flakiness and elongation test must be carried out to determine the suitability of the material. ... Flakiness index (%) = Nos. passing ... Flakiness and Elongation Test (BS 812: Part 3) Polished Stone Value (PSV) (BS 812: Part 3) THE USE OF LIMESTONE AGGREGATE IN CONCRETE. ... Elongation and Flakiness Index Test 37-39 ... 2.1 Particle Shape Classification of BS 812: Part 1: 1975 with examples. 15 2.2 Compressive Strength of American Rocks Commonly Used as Concrete Aggregates. 17 2.3 Minerals crystallization from magma. ...

  • Elongation index and flakiness index of coarse aggregate ...

    Elongation index and flakiness index of coarse aggregate (BS 812 Part:1) Scope: The particle is considered as elongated if its length is more than 1.8 times the mean sieve size of the size fraction to which the particle belongs. Similarly, the particle is considered as flaky if its thickness is less than 0.6 The drafting of this Construction Standard has made reference to the following British Standards (BS), European Standards adopted as British Standards (BS EN), publication of BRE, National Standard of the People's Republic of China (GB), publication from International Union of Laboratories and Experts in

  • BS 812:105.1, Test equipment Controls

    Used to determine if aggregate particles are to be considered flaky, i.e. their thickness is less than 0.6 of their nominal size. As alternative, for large sample analysis please refer to #flakiness-sieves# Dimension: 383x150x6 mm Weight, approx.: 600 g To evaluete the flakiness and... buy bs 812-1(1975) : 1975 methods for sampling and testing of mineral aggregates, sands and fillers - part 1: sampling, size, shape and classification from sai global

  • Highways Maintenance Standards - nightcap79

    BS 3247 : 1991 : Salt for spreading on highways for winter maintenance All people involved with the buying and using of ROAD SALT should have access to this BRITISH STANDARD. Just one item of note is that ROAD SALT shall have a maximum moisture content of … Table 3 — Data for determination of flakiness index 2 Table 4 — Precision data for determination of flakiness index 3 Licensed copy: MLA Cornwall Public , Cornwall Enquiry and Information Service, Version correct as of 20/09/2011 16:28, (c) BSI Publications referred to Inside back cover

  • BS 812-105.2:1990 - Testing aggregates. Methods for ...

    This British Standard, a part of the BS 812 series, describes the method for determining the elongation index of coarse aggregate. Aggregate particles are classified as elongated when they have a length (greatest dimension) of more than 1.8 of their mean sieve size, this size being taken as the mean of the limiting sieve apertures used for determining the size fraction in which the particle ... Our services ensure compliance for all materials used in the construction industry, testing to earthworks standards – BS 1377 and Specification for Highways Works and aggregate standards. Testing of Aggregate Properties

  • Determination of elongation index - SlideShare

    Dec 18, 2017· Page | 3 OBJECTIVE This procedure describes the determination of the elongation index of an aggregate. It is based upon BS 812 100 and BS 812, Part 1 105.2. The procedure applies to aggregates having a nominal size of not greater than 63mm and having at … 1% BS 812: Part 118 Flakiness index 40 % - Note 2 BS 812: Section 105.1 10% fines test 100 kN- Note 3 BS 812: Part 111 Grading Table 3 of BS 882:1992 Maximum Chloride content Table 7 of BS 882 – 0.05% by mass of chloride ion of combined aggregate – Note 4 Note 1 Filler (

  • aggregate gradation bs en - BINQ Mining

    2 – Beam, column and frame unit : Linear units – AggRegain – Wrap. China clay sand or Foundry sand should conform to the overall grading limits for fine aggregate classified by BS EN 12620 category G F85 given in PD 6682-1 … »More detailed This British Standard, a section of the BS 812 series, describes methods for determining the flakiness index of coarse aggregate. Aggregate particles are classified as flaky when they have a thickness of less than 0.6 of their mean sieve size.

  • determination of flakiness index test.

    Dec 18, 2017· determination of flakiness index test. 1. page | 1 civil engineering deparment dcc 3122 highway lab report title determination of elongation indexvalue course / session dcc 3122 – geotechnic and highway laboratory prepare by group group a group members 1.

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