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Chapter 8 Pavement materials: Aggregates

A maximum value of 40 percent is allowed for WBM base course in Indian conditions. For bituminous concrete, a maximum value of 35 is specified. 8.3.3 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 …

Aggregate impact value test- step by Step Procedure with …

Recommended aggregate impact value Precaution for aggregate impact value test. The sample of aggregate should be sieved in circular motion or movement. The sample aggregate should not be overheated on the oven. The weight of samples and dust should be tamped with the help of a standard size tamping rod.

IS 9377 (1979): Specification for apparatus for aggregate …

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 …

ASTM-D5874 | Standard Test Methods for Determination of the Impact

5.1 Impact Value, as determined using the standard 4.5 kg (10 lbm) hammer, has direct application to design and construction of pavements and a general application to earthworks compaction control and evaluation of strength characteristics of a wide range of materials, such as soils, soil aggregates and stabilized soil. Impact Value is one of the properties …

7.6 Aggregate Impact Value 7.6.1 Scope.

The aggregate impact value gives a relative measure of the resistance of the aggregate to sudden shock or impact. The particular purpose which an aggregate is meant to serve …

CE 354 Transportation Engineering Sessional I (Lab …

be anomalous. Also aggregate sizes larger than 14 mm are not appropriate to the aggregate impact test. The standard aggregate impact test shall be made on aggregate passing a 14. mm BS test sieve and retained on a 10.0 mm BS test sieve. If required, or if the standard size is not available, smaller

Determination of Aggregate Impact Value – Impact Test on …

🕑 Reading time: 1 minuteDetermination 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. Contents:Aggregate Impact Value on Coarse AggregatesApparatus for Aggregate …

DEPARTMENT OF CIVIL ENGINEERING

Aggregate impact value = » º ×100 Where, B = weight of fraction passing 2.36 mm IS Sieve, and A = weight of oven-dried sample Observations and Calculation: Sample No. Weight A Weight B Aggregate impact value Avg. Aggregate impact value 1 2 The mean of the two results shall be reported to the nearest whole number as the aggregate

IMPACT VALUE OF AGGREGATE

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 compressive load. 2.Apparatus Required Fig. 1: Balance Balance should be accurate upto 1 g Fig. 2: Sieves Seives required are 12.5, 10.0 and 2.36 mm Fig. 3: Impact ...

Standard Test Method for Soundness of Aggregates by …

1.2 The values given in parentheses are provided for infor-mation purposes only. 1.3 This standard does not purport to address the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limita-tions prior to ...

Determination of Aggregate Impact Value (Aiv) (BS 812-112) …

This document describes a test method for determining the aggregate impact value (AIV) of aggregates, which provides a measure of their resistance to sudden shock or impact. …

IS 5640 (1970): Method of test for determining …

determine the impact value ofsuch aggregates under saturated condition. Non- Thillmethod of test for aggregate impact value may also be equally applied to brick aggregates, 0.3 In the formulation of this standard assistance has been derived from Road Research Monograph No: 5 issued by Central Road Research Institute, New Delhi.

Department of Civil and Environmental Engineering

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 …

BS 812-112 1990 PDF | PDF | Construction Aggregate

BS 812-112 1990.pdf - Free download as PDF File (.pdf), Text File (.txt) or read online for free. Scribd is the world's largest social reading and publishing site.

(DOC) AGGREGATE IMPACT VALUE TEST | hong g.woei

The aggregate impact test has been standardized by the British Standard Institution and the Indian Standard Institution. The aggregate impact value indicates a relative measure of the resistance of aggregate to a sudden shock or an impact, which in some aggregates differs from its resistance to a slow compressive load.

Aggregate Impact Value Labsheet Only | PDF

Aggregate Impact Value labsheet only - Free download as PDF File (.pdf), Text File (.txt) or read online for free. This document describes the aggregate impact value test procedure. The test determines the percentage of particles less than 2.36mm after an aggregate sample is subjected to 15 blows from a hammer. A lower percentage …

(PDF) PHYSICAL AGGREGATE TESTS: A BRIEF …

Six (6) samples of shale and five (5) water samples from hand-dug wells and boreholes, from different locations within the Abakaliki shale formation, have been assessed to evaluate the impact of ...

Aggregates for Concrete

3.6—Abrasion and impact resistance 3.6.1—Definition and significance 3.6.2—Test method ... of the aggregate is shaken through a series of wire-cloth sieves with square openings, nested one above the other in ... aggregates, with typical range values, are shown in Table 2.

(PDF) PENGUJIAN KEKUATAN AGREGAT TERHADAP TUMBUKAN ( AGGREGATE IMPACT

Aggregate Impact Value AIV (%) = = X 100 31 673 3 X 100 = 4,60% Rata-rata Aggregate Impact Value = = 4,65% KELOMPOK 18 79 Tabel 7.4 Data Hasil Perhitungan Item Pengujian Indeks Berat wadah / cup W1 Berat wadah + sampel Sampel W2 (setelah dipadatkan) 2 3177 gr 3177 gr 3824,5 gr 3850,3 gr '=W2-W1 Barat awal sampel 1 …

Construction aggregates: evaluation and specification

Aggregate Impact Value (AIV) – this is the measurement of the aggregates resistance to repeated and sudden force. A test specimen of aggregate (14 – 10mm) is hit 15 times …

Aggregate Impact Value (AIV) ASTM-D58-74

The document describes the Aggregate Impact Value (AIV) test outlined in ASTM-D58-74. The test determines the toughness of aggregate materials by measuring the percentage weight loss of particles passing a 2.36mm …

Department of Civil and Environmental Engineering

DETERMINATION OF AGGREGATE IMPACT VALUE OBJECTIVE 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 slowly applied compressive load. With aggregate of aggregate impact value (AIV) higher than 30 the …

(PDF) PENGUJIAN KEKUATAN AGREGAT TERHADAP TEKANAN ( AGGREGATE CRUSHING

Didapatkan nilai untuk Aggregate Crushing Value yaitu 11 %, mengacu pada British Standard 812-112:1990 Testing Aggregates, bahwa agregat yang mempunyai nilai ACV > 30 % dikatakan tidak normal. Jadi, sampel agregat yang di uji coba layak digunakan sebagai bahan perkerasan jalan.

(PDF) Testing aggregates

Licensed copy: MLA Cornwall Public , Cornwall Enquiry and Information Service, Version correct as of 20/09/2011 15:11, (c) BSI BRITISH STANDARD Testing aggregates — Part 111: Methods for determination of ten per cent fines value (TFV) BS 812-111: 1990 BS 812-111:1990 Licensed copy: MLA Cornwall Public , Cornwall Enquiry and …

(PDF) Aggregates & its Properties

Y = mean percentag e fines fro m two tests at X tons load. Test for determination of aggregate impact value The aggregate impact value gives relative measure of the resistance of an aggregate to sudden shock or impact. Which in so me ag g reg ates differs fro m its resistance to a slow compressive load. Aggregate Impact Value …

IMPACT VALUE OF AGGREGATE

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 …

D5874 Standard Test Method for Determination of the Impact Value …

1.1 This test method covers the determination of the Impact Value (IV) of a soil either in the field or a test mold. 1.2 The standard test method, using a 4.5 kg (10 lbm) hammer, is suitable for, but not limited to, evaluating the strength of an unsaturated compacted fill, in particular pavement materials, soils, and soil-aggregates having …

IS 2386-4 (1963): Methods of test for aggregates for …

same as that of the specified value in this standard. 0.6 This standard is intended chiefly to cover the technical provisions ... Determination of Aggregate Impact Vaiue, d) Determination of Aggregate Abrasion Value, e) Determination of the Polished Stone Value, and f) Determination of Crushing Strength. 2. DETERMINATION OF AGGREGATE …

IS 2386-4 (1963): Methods of test for aggregates for …

1.1 This standard (Part IV) covers the following tests for aggregates for concrete : Determination of Aggregate Crushing 'alue, Determination of the 10 percent Fines …

Aggregate Impact Value PDF | PDF

aggregate impact value.pdf - Free download as PDF File (.pdf), Text File (.txt) or read online for free.

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