+86-21-5838625

CHAPTER 4 AGGREGATES - Civil Engineering Department

Aggregate Impact Value Test Total 54 17 aggregates counter Hammer . 4.5 Physical Properties 4.5.1 Specific Gravity •The specific gravity of an aggregate is a characteristic of the material, which needs to be determined in making calculations of mix design of concrete.

Chat With Sales

DCC3113 DETERMINATION OF AGGREGATE IMPACT VALUE.

Dec 15, 2017· Aggregate Impact Value (AIV) is the percentage of fines produced from the aggregate sample after subjecting it to a standard amount of impact. The standard amount of impact is produced by a known weight, i.e. a steel cylinder, falling a set height, a prescribed number of times, onto an amount of aggregate of standard size and weight retained in ...

Chat With Sales

7.6 Aggregate Impact Value 7.6.1 Scope. - rhd.gov.bd

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 requires the aggregate to have a particular strength which is usually stated in the specification. This test provides

Chat With Sales

Determine of Aggregate Impact Value Test: BS 812

Oct 27, 2017· 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 hammer and drop, under specified test condition.

Chat With Sales

Aggregate Impact Value | Weight | Experiment

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 hammer and drop, under specified test condition.

Chat With Sales

Aggregate Impact Value - humboldtmfg.com

Aggregate Impact Value. Used to determine the impact value of aggregates and select them for a given application. The device has a trip-action hammer release, blow counter device and a built-in operator safety device. Heavy-duty construction with hardened steel surfaces for minimum wear. The complete assembly is cadmium plated for corrosion ...

Chat With Sales

(PDF) AGGREGATE IMPACT TEST - researchgate.net

Aggregate Impact value of sample = 9.52 % . Recommended values as per IRC: Aggregate Impact value . Classification < 10 % . Exceptionally strong . 10% - 20% . strong . 20% - 30% . satisfactory for ...

Chat With Sales

Aggregate impact and - SlideShare

Feb 08, 2012· Aggregate impact and 1. 10 Aggregate Crushing Value TestINTRODUCTION The principal mechanical properties re~ired in road stones are Q satisfactory resistance to crushingunder the roller during construction and (jjI adequate resistance to surface abrasion under traffic.

Chat With Sales

Determination of Aggregate Impact Value - CivilArc

Jan 12, 2017· The aggregates must thus have adequate rigidity to resist their breakdown due to excessive impact. This property is calculated by impact value test. The aggregate impact value is a calculation of the resistance to abrupt impact, bang or shock, which may vary from its resistance to steadily, applied compressive weight. Procedure:

Chat With Sales

AGGREGATE IMPACT VALUE (IS:2386-Part IV-1963 ...

Dec 30, 2018· Aggregate Impact Value test determines the Aggregate Impact Value (AIV) of aggregates which provides a relative measure of the resistance of an aggregate to sudden shock or impact. Resistance of the aggregates to impact is termed as toughness.

Chat With Sales

Aggregate Crushing Value Test - YouTube

Mar 24, 2013· This feature is not available right now. Please try again later.

Chat With Sales

Aggregate Impact Value - How is Aggregate Impact Value ...

AIV - Aggregate Impact Value. Looking for abbreviations of AIV? It is Aggregate Impact Value. Aggregate Impact Value listed as AIV. ... Aggregate Impact value (AIV) and Aggregate Crushing value (ACV) of coarse aggregates play major role in development of resistance in hardened concrete against impact and compressive loads, respectively.

Chat With Sales

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, stabilized soil and recreational turf. Impact Value is one of the properties used to evaluate ...

Chat With Sales

What is the main difference between crushing test and ...

Mar 31, 2017· Assuming That You Are Refering to Crushing And Impact Tests of Aggregates * Crushing Test Gives Us Idea About Strength of Aggregate. * * Strength : Resistance To Gradual Loading * Impact Test Gives Us Idea About Toughness Of Aggregate. * * Tough...

Chat With Sales

Aggregate Impact Value - Civil Engineering

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.

Chat With Sales

Determination of Aggregate Impact Value - YouTube

Sep 05, 2013· Determination of Aggregate Impact Value NCTEL. Loading... Unsubscribe from NCTEL? Cancel Unsubscribe ... Los Angeles Abrasion Value Test - Duration: 17:01. BPUT Digital Learning Resources ...

Chat With Sales

Impact Test on Aggregates - Gharpedia.com

The value of aggregate impact test should not be more than 45% by weight of aggregates, used for concrete other than wearing surface. An impact value 35% is permissible for the bituminous macadam. Maximum permissible impact value for the water bound macadam is 40%.

Chat With Sales

Aggregate Impact Value - engineeringcivil.com

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.

Chat With Sales

Civil At Work: To Determine Aggregate Impact Value

Toughness is the property of material which indicate its capacity which impact in sudden. Tougher the aggregate more suitable for wearing surface such as road surface. Lower the impact value stronger the aggregate, again the impact these for good quality concrete , aggregate with lower AIV (Aggregate Impact Value) is prepared.

Chat With Sales

Aggregate Impact Value (AIV) Test for Aggregates ...

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

Chat With Sales

Aggregate Impact Tester,Impact Testing Machines,Impact ...

This Apparatus is used to determine aggregate impact value of coarse aggregate. The hammer of the tester fall freely from 380 mm height on coarse aggregate for 15 times/15 sec.the crushed aggregate removed from the cup ,then sieved and weighed. The % ratio of the weight passing 2.36mm sieve and weight of oven dried sample is Aggregate Impact value.

Chat With Sales

Impact test - nptel.ac.in

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.

Chat With Sales

7 LAB TESTS ON AGGREGATE TO CHECK QUALITY FOR USE IN …

Sep 12, 2015· The crushed aggregate is allowed to pass through 2.36 mm IS sieve. And the impact value is measured as percentage of aggregates passing sieve (W2) to the total weight of the sample (W1). Aggregate impact value = (W1/W2)*100. Aggregates to be used for wearing course, the impact value shouldn’t exceed 30 percent.

Chat With Sales

Aggregate Impact Test | Construction Aggregate | Asphalt

Application of Aggregate Impact Value. The aggregate impact test is considered to be an important test to assess the suitability of aggregates as regards the toughness for use in pavement construction. It has been found that for majority of aggregates, the aggregate crushing and aggregate impact values are numerically similar within close limits.

Chat With Sales

Aggregate Testing Equipment - Air Entrainment Meter and ...

No: AT-199 NAME: Aggregate Impact Value Test Apparatus Quality Standard: As Per IS 2386 (P-IV) Aggregate Impact Value Test Apparatus is used for determining the aggregate impact value. The Sturdy Construction consists of a base and support columns to form a rigid framework around the quick release trigger mechanism to ensure an effective free fall of the hammer during test.

Chat With Sales

Aggregate Impact Value (AIV) - Impact - civil engineering ...

Aggregate Impact Value to BS812-112. Aggregate Impact Value apparatus with mould to BS812:110 check box to select

Chat With Sales

Aggregate Impact Value test procedure | Impact test on ...

Apr 23, 2019· Aggregate Impact value test is required to ensure the “physical strength of aggregate” and physical strength of aggregate directly related to structure strength in construction work. Apparatus and Tools required for Aggregate impact value ( AIV ) test. 1. Aggregate Impact value …

Chat With Sales

Aggregate Impact Value Testing | AIV TEST | Civil ...

Jul 14, 2018· Aggregate Impact Value Test. AIV test is conducted to determine the Aggregate Impact Value of Coarse 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 compression load.

Chat With Sales

Aggregate Impact value Test Apparatus, Procedure and uses

Jul 01, 2019· Procedure of Aggregate Impact value test. The test sample: normally aggregates sized 10.0 mm to 12.5 mm. the aggregates should be dried by …

Chat With Sales

AGGREGATE IMPACT TEST by Nurul Afiqah on Prezi

Result Introduction measure of degradation of mineral aggregates of standard grading resulting from a combination of action including abrasion and grinding in a rotation steel drum containing a specific number of steel spheres. give a measure of aggregate hardness, as specified

Chat With Sales