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Bs part aggregate impact

  • Testing aggregates Licensed copy: MLA Cornwall Public

    This Part of BS 812 has been prepared under the direction of the Cement, Gypsum, Aggregate and Quarry Products Standards Policy Committee, and is a revision of clause 7 of BS

  • Aggregates for Concrete

    in Fig. 5-4. The aggregate particle size is determined by using wire-mesh sieves with square openings. The seven standard ASTM C 33 (AASHTO M 6/M 80) sieves for fine aggregate have openings ranging from 150 µm to 9.5 mm (No. 100 sieve to . 3 8. in.). The 13 standard sieves for coarse aggregate have openings ranging from 1.18 mm to 100 mm

  • BRITISH STANDARDS (BS), CODE OF PRACTICE (CP) AND

    BS 812 : Part 112 : 1990 Methods for determination of aggregate impact value ( AIV ) BS 812 : Part 113 : 1990 Methods for determination of aggregate abrasion value ( AAV ) BS 864 : Part 2 : 1983 Specification for capillary and compression fittings for copper tubes BS 873 Road traffic signs and internally illuminated bollards

  • Aggregate Testing > MATtest Limited

    AGGREGATE TESTINGWater content : BS EN 1097-5:2008 UKAS AccreditedBulk density and calculation of voids and bulking of aggregate : BS 812-2:1995 UKAS AccreditedLoose bulk density and voids : BS EN 1097-3:1998 UKAS AccreditedParticle density and water absorption - pyknometer method for aggregate particles

  • BS 812: Part 112: Aggregate impact value (AIV) Celtest

    Oct 19, 2018· BS 812: Part 112: Aggregate impact value (AIV) Our UKAS accredited aggregate testing laboratory can determine the aggregate impact value (AIV) a test that provides a relative measure of the resistance of an aggregate to sudden shock or impact.

  • BS 812-112 (1990). Testing Aggregates. Method for

    BS 812-112 (1990). Testing Aggregates. Method for determination of Aggregate Impact Value. British Standards Institution. has been cited by the following article: Article. for the material to come into contact with water for a long time when existing as part of a pavement structure.

  • Laboratory Testing - vegvesen

    1.9 Compaction Test - BS Light and BS Heavy BS1377:Part 4:1990 1.10 CBR Test - One point method BS1377:Part 4:1990 BS1377:Part 4:1990 and BS812:Part 111:1990 2.8 Aggregate Impact Value (AIV) BS812:Part 112:1990 2.9 Los Angeles Abrasion Test (LAA) ASTM C535-89 2.10 Sodium Soundness Test (SSS) ASTM C88-90 2.11 Slump Test BS1881:Part 102:1983

  • Aggregate Impact Value Testing AIV TEST Civil

    Jan 09, 2018· The aggregate impact value gives a relative measure of the resistance of an aggregate to sudden shock or impact, which in some aggregates differs from Its resistance to a slow compression load. The Indian Standard CODE IS 2386 (Part IV) 1963 is used for procedure and classification of aggregate by result.

  • Everything you should know about the Aggregate Impact

    Jun 22, 2014· The aggregate impact value is expressed as the percentage of the fines formed w.r.t the total weight of the sample Aggregate Impact Value (AIV) = (100*M2)/M1 Where: M1 =Mass of the test specimen M2 = Mass of the test specimen passing 2.36 mm test sieve

  • Determine of Aggregate Impact Value Test: BS 812

    Oct 27, 2017· Experiment Name: Determine of Aggregate Impact Value Test: BS 812 Purpose of the test: The Impact value of an aggregate is the percentage loss of weight particles passing 2.36mm sieve by the application of load by means of 15 blows of standard

  • Aggregate Impact Value test we civil engineers

    Jan 23, 2018· AIM: To determine the aggregate impact value of coarse aggregates as per IS: 2386 (Part IV) - 1963. APPARATUS: i) Impact testing machine conforming to IS: 2386 (Part IV) - 1963 ii) IS Sieves of sizes - 12.5mm, 10mm and 2.36mm iii) A cylindrical metal measure of 75mm dia. and 50mm depth iv) A tamping

  • Aggregate impact value (AIV) to BS812 part 112 - BS812

    Part No Description Qty; AG165: Aggregate Impact Value to BS812-112: 1: AG165/1: Metal Measure for AIV to BS812-112: 1: CN011: Tamping Rod to BS1881 & EN12350-2: 1: MH250: Rubber Mallet, 16oz: 1: MH585: Tray 300 X 300 X 50mm: 1: SV041: Large Sieve Brush: 1: MH012: Absorbent Cloth 500mm x 750mm: 2: AG110: Relative Density Basket BS to BS812

  • SOUNDNESS TEST OF AGGREGATES (IS-2386-PART-5) -

    Jun 19, 2014· Objective This test is intended to study the resistance of coarse and fine aggregates to weathering action and to judge the durability of the coarse aggregate. Apparatus Name Capacity Least count Balance 500 g 0.1 g Balance 5000 g 1 g Oven 105

  • Pavement materials: Aggregates

    Impact test The aggregate impact test is carried out to evaluate the resistance to impact of aggregates. Aggregates passing 12.5 mm sieve and retained on 10 mm sieve is filled in a cylindrical steel cup of internal dia 10.2 mm and depth 5 cm which is attached to a metal base of impact testing machine.

  • CE 354 Transportation Engineering Sessional I (Lab Manual)

    checking the mechanical properties (Aggregate Impact Value, Aggregate Crushing Value, and 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.

  • The Effect of Aggregate Size on The Strength of Concrete

    the British Standard coarse aggregate should not contain clay, silt or fine dust than 1% of the aggregate weight [5]. Additional mixture allowed is less than 5% by weight of cement added to the concrete mix at the time. Types of additives allowed by BS 8110: Part

  • Aggregate Impact Value Test, Procedure, Result & Standards

    May 21, 2020· Aggregate impact value is the ratio of the weight of the fraction passing through 2.36 mm (weight W2) by the total weight of the sample (weight W1 + W2). Aggregate Impact Value = (W2/ (W1+W2)) * 100 = 80 gm / 300 gm = 26.67 (Impact Value) Where, W1= Weight of the fraction passing through 2.36 mm IS sieve.(220 gm)

  • DCC3113 DETERMINATION OF AGGREGATE IMPACT VALUE.

    Dec 15, 2017· Classification of aggregates using Aggregate Impact Value is as given below: Aggregate Impact Value Classification <20%.= Exceptionally Strong 10 20% .=Strong 20-30%. =Satisfactory for road surfacing >35%.= Weak for road surfacing 5. 5 APPARATUS 1. Aggregate Impact Value Test Machine 2. BS test sieve 3. A metal tamping rod 4.

  • (PDF) DETERMINATION OF AGGREGATE IMPACT VALUE (AIV) (BS

    This Part of BS 812 describes methods for the determination of the aggregate impact value (AIV) which gives a relative measure of the resistance of an aggregate to sudden shock or impact. Principle A test specimen is compacted, in a standardized manner, into an open steel cup. The

  • Specifying concrete to BS EN 2061/BS 8500 Concrete for

    NOMINAL UPPER AGGREGATE SIZE Table 1 gives classes of abrasion resistance for For in-situ floor slabs the preferred upper aggregate industrial floors based upon service conditions size has generally been 20 mm. Flooring contractors and application in accordance with BS 82042.

  • 5 Aggregate Specifications and Requirements

    Specifications is 5.0 percent and applies to aggregate classes AP, AS, A, B, and C only. Abrasion Resistance Abrasion resistance applies only to coarse aggregates. Aggregates vary in their resistance to fracturing under impact (toughness) and breaking down

  • Determine of Aggregate Impact Value Test: BS 812

    Oct 27, 2017· Experiment Name: Determine of Aggregate Impact Value Test: BS 812 Purpose of the test: The Impact value of an aggregate is the percentage loss of weight particles passing 2.36mm sieve by the application of load by means of 15 blows of

  • Aggregate Impact - an overview ScienceDirect Topics

    The impact test (BS 812-112, 1990), as in the case of the compaction test (BS 812-110, 1990), has been taken out of the set of standard tests used for determining the physical properties of aggregates for assessing their suitability for use in construction applications.

  • Determination of Aggregate Impact Value - Impact Test on

    The aggregate impact value is a measure of resistance to sudden impact or shock, which may differ from its resistance to gradually applied compressive load. Procedure o f Aggregate Impact Test The test sample consists of aggregates sized 10.0 mm 12.5 mm. Aggregates may be dried by heating at 100-110° C for a period of 4 hours and cooled.

  • 4 Aggregate Specifications and Requirements

    resistance to fracturing under impact (toughness) and breaking down into smaller pieces from abrasive action (hardness). The acceptable limits are set by the Los Angeles Abrasion Test AASHTO T 96. The limits vary from 30.0 to 50.0 percent, depending on the classification of the aggregate. The

  • BS-812-112-1990 Aggregate Impact.pdf - British Standard A

    BS 812-112:1990 © BSI 12-1998 1 1 Scope This Part of BS 812 describes methods for the determination of the aggregate impact value (AIV) which gives a relative measure of the resistance of an aggregate to sudden shock or impact.

  • Exp 4 Aggregate Impact Value - Civil Engineers PK

    Aggregate Impact Value. The test sample shall consist of aggregates the whole of which passes through ½ in B.S. test sieve and is retained on a 3/8 in B.S. test sieve.

  • STANDARD SPECIFICATIONS FOR CONSTRUCTION WORKS

    Organic Impurities (BS 1377 Part 3 Method 3) 0.2% 0.5% Acid-soluble chloride (as NaCl) (BS 812: Part 117) 1% 1% Acid-soluble sulphate (as SO 3) (BS 812: Part 118) 0.5% 0.5% ** Where an aggregate has higher water absorption than 2% its use may be permitted by the Engineer providing adequate evidence of past performance can

  • BAB 9 AIV (Aggregate Impact Value ) - 1 BAB IX UJI

    Prosedur praktikum didasarkan pada British Standard, BS 812, bagian 3, tahun 1975.Perhitungan % agregat tertahan ayakan 2,36 mm dinyatakan dalam model matematik sebagaimana ditunjukkan dalam persamaan 9.1 AIV = x (9.1) Keterangan: AIV = Aggregate Impact Value (%) A = berat awal benda uji (gr) B = Berat benda uji lolos saringan 2 mm (gr)

  • Aggregate Impact Value Test, Procedure, Result & Standards

    May 21, 2020· Aggregate Impact Value is an ability or toughness of aggregates which resist sudden impact or shock load on it. Also, it can be defined as the resistance of aggregate to failure by impact load is known as the Impact Value of Aggregate. The Characteristics of any material to resist sudden impact is known as toughness.

  • Recommended limits - SlideShare

    Sep 12, 2011· recommended limits 1. limits for physical, chemical &mechanical properties of aggregates for concrete table i test permisible kind of requirment method limits bs 812 astm fine coarse grading pare 103 std std materials finer than 0.075 mm part 103 nat-ural , uncrushed / max. 3 % max. 1 % crushed max. 7 % max. 1 % crushed rock clay lumps & friable particles c 142 max. 1 % max. 1 %

  • BS 882(1992) : 1992 SPECIFICATION FOR AGGREGATES FROM

    Jan 01, 1992· testing aggregates - part 112: methods for determination of aggregate impact value (aiv) BS 8110-1(1997) : 1997 STRUCTURAL USE OF CONCRETE - PART 1: CODE OF PRACTICE FOR DESIGN AND CONSTRUCTION

  • Aggregate Testing Lab Equipment Sun LabTek

    Aggregate Impact Tester With Blow Counter: Determination of Aggregate Impact Value Impact Test on Aggregates is done to carry out to: Determine the impact value of the road aggregates, Assess their suitability in road construction on the basis of impact value. (PART-1) & BS 812, Specification: Used for determining the Flakiness Index of

  • Aggregate Impact Value - engineeringcivil

    The apparatus used for determining aggregate impact value of coarse aggregates is Impact testing machine conforming to IS: 2386 (Part IV)- 1963,IS Sieves of sizes 12.5mm, 10mm and 2.36mm, A cylindrical metal measure of 75mm dia. and 50mm depth, A tamping rod of 10mm circular cross section and 230mm length, rounded at one end and Oven.

  • An investigation into the influence of size on the

    Tests have been carried out according to British Standard BS 812-1975 on non-standard and standard size aggregates to study the influence of aggregate size on mechanical properties. Dolerite, granite, limestone aggregates of different sizes have been tested. No basic relations have been found between elongation index, IE, and flakiness index, IF, and the different aggregate sizes.

  • BS 812-112:1990 - Testing aggregates. Method for

    This British Standard, a part of the BS 812 series, describes methods for the determination of the aggregate impact value (AIV) which gives a relative measure of the resistance of an aggregate to sudden shock or impact.

  • pdf Download BS 812-112: Testing Aggregates Part 112

    Aggregates, Cement and concrete technology, Impact testing, Mechanical testing, Test equipment, Specimen preparation, Test specimens, Testing conditions, Reproducibility Methods which give a relative measure of the resistance of an aggregate to sudden shock or impact. ; Specifies methods for the determination of the aggregate impact value (AIV) which gives a relative measure of the resistance

  • Polished Stone Value - Test Procedures and Equipment

    Aggregate Impact Test This test is specified in BS812:Part 3 : 1975. Resistance to impact of a sample of aggregate is measured by subjecting a 28mm deep bed of 14 mm to 10 mm chippings, in a 102mm diameter hardened steel cup, to 15 blows from a 14 kg hammer falling from a height of 380mm.

  • Construction Standard CS3:2013 Aggregates for Concrete

    BS 812: Part 2:1995 BS 812: Part 100:1990 BS 812: Part 102:1989 BS 812: Section 103.1:1985 BS 812: Section 105.1:1989 BS 812: Section 105.2:1990 Section 15 Methods for determination of aggregate impact value Section 16 Methods for determination of ten per cent fines value


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