aggregate crushing value limit

Pavement materials Aggregates

Objective 1 Determine the aggregate crushing value of coarse aggregate 2 Assess suitability of coarse aggregates for use in different types of road Theory The aggregate crushing value give a relative measure of the resistance of

DETERMINATION OF AGGREGATE CRUSHING VALUE

7 7 Aggregate Crushing Value and 10 Fines Value 7 7 1 Aggregate Crushing Value ACV 7 7 1 1 Introduction One of the requirements for the suitability of aggregates for construction is the ability of the aggregate to resist crushing The Aggregate Crushing Value gives a relative measure of the resistance of the aggregate to crushing under a

Aggregate Crushing Value - YouTube

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

Aggregate Crushing Value Calculator Test on course and

The aggregate crushing value ACV provides relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load Two versions available 150 standard and 75 mm dia The apparatus comprehend cylinder plunger base plate tamping rod and measure

Crushing value apparatus ACV Aggregates testing

Aggregate Crushing Value Test -Determine Aggregate 2010-05-05 Coarse aggregate crushing value is the percentage by weight of the crushed material obtained when test aggregates are subjected to a specified load under standardized conditions

Aggregate Crushing Value Test - Learning Technology

Aggregate Crushing values is a relative resistance of aggregates to crushing under gradually applied compressive load In situations when aggregate value 30 or higher the result may be a mistake and in such cases the ten percent fines value should be determined and used instead

limits of crushing strength of the aggregate

Aggregate Crushing Value Test Limits Aggregate crushing value test on coarse aggregates gives a relative measure of the resistance of an aggregate crushing under gradually applied compressive load Coarse aggregate crushing value is the percentage by weight of the crushed material obtained when test aggregates are subjected to a specified load under standardized conditions

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Impact and Crushing Value Aggregate Crushing Value ACV Sets UTA-0630 Aggregate Crushing Value ACV Set Ø 150 mm BS UTA-0640 Aggregate Crushing Value ACV Set Ø 75 mm BS The Aggregate Crushing Value ACV Test Set measures how resistant an aggregate is when being crushed under a gradually applied compressive load

AGGREGATE CRUSHING VALUE TEST IS 2386 PART 4

7 7 Aggregate Crushing Value and 10 Fines Value 7 7 1 Aggregate Crushing Value ACV 7 7 1 1 Introduction One of the requirements for the suitability of aggregates for construction is the ability of the aggregate to resist crushing The Aggregate Crushing Value gives a relative measure of the resistance of the aggregate to crushing under a

Los Angeles Abrasion - Pavement Interactive

Aggregate Impact Value This test is done to determine the aggregate impact value of coarse aggregates as per IS 2386 Part IV 1963 for non wearing surface its max limit is 45

aggregate crushing value limits - shibang-china com

Apr 10 2012· Aggregates used in the construction should be strong enough to resist crushing If the aggregates are weak the stability of the structure is likely to be adversely affected The strength of coarse aggregates is assessed by aggregate crushing test The aggregate crushing value provides a relative measure of resistance to crushing under gradually applied compressive…

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Jan 23 2018· Aggregate crushing value = B A x 100 The result should be recorded to the first decimal place and the mean of the two results reported APPLICATION LIMITS OF AGGREGATE CRUSHING VALUE The aggregate crushing value for cement concrete pavement shall not exceed 30 The aggregate crushing value for wearing surfaces shall not exceed 45 PURPOSE

AGGREGATE IMPACT VALUE TEST-10 IMPORTANT NOTES TO

AGGREGATE CRUSHING VALUE This test helps to determine the aggregate crushing value of coarse aggregates as per IS 2386 Part IV 1963 The apparatus used is Cylindrical measure and plunger Compression testing machine IS Sieves of sizes 12 5mm 10mm and 2 36mm

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

The strength of coarse aggregates is assessed by aggregates crushing test The aggregate crushing value provides a relative measure of resistance to crushing under a gradually applied compressive load To achieve a high quality of pavement aggregate possessing low aggregate crushing value …

Aggregate Crushing Value Test Procedure and Limits

Sep 12 2015· The aggregate crushing value provides a relative measure of resistance to crushing under gradually applied crushing load However there are no recognized limits for the elongation index Fig-5 Elongation Gauge Also Read Aggregate Flakiness Index Value Test Procedure

7 7 Aggregate Crushing Value and 10 Fines Value 7 7 1

The table given below lays down specified limits of per cent aggregate crushing value for different types of road construction Table3 The specified limits of pe cent aggregate crushing value Note - For strong aggregate crushing value should be low For surface courses this value should not exceed more than 30 and for courses not more than

Aggregate Crushing Value Test - YouTube

IS 2386-4 1963 Methods of test for aggregates for concrete Part 4 IS Z-1960 Rules for Rounding Off Numerical Values Revised The number of aggregate crushing value gives a …

Aggregate Crushing Value Test -Determine Aggregate

1 To determine the aggregate crushing value of coarse aggregates 2 To assess suitability of aggregates for use in different types of road pavement 2 PRINCIPLE The aggregate crushing value gives a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load Crushing value is a

Aggregate crushing value limit - ontwerpbureau-amsterdam nl

The aggregate crushing value provides a relative measure of resistance to crushing under a gradually applied compressive load To achieve a high quality of pavement aggregates possessing low aggregate crushing value should be preferred

impact value as per is code of coarse aggregate limits

Sep 24 2010· The aggregate crushing value provides a relative measure of resistance to crushing under gradually applied crushing load The test consists of subjecting the specimen of aggregate in standard mould to a compression test under standard load conditions Figure 1 Dry aggregates passing through 12 5 mm sieves and retained 10 mm sieves are filled

Aggregate Crushing Value Test Determine Aggregate

Aggregate Crushing Value to BS812-110 Aggregate Crushing Value to BS812-110 a plunger baseplate tamping rod and measure All surfaces that come into contact with the aggregate are cadmium plated against corrosion The metal measure is 115mm diameter x 180mm deep Digital with fully variable speed limit Can be used for Triaxial both

Aggregate Crushing Value Test - Procedure and Result

Limits The aggregate crushing value for cement concrete pavement shall not exceed 30 Get Price Aggregate Crushing Value - Civil Engineering This test helps to determine the aggregate crushing value of coarse aggregates as per I want to know the …

Aggregate Crushing Value Test - Procedure and Result

Jul 16 2014· It has been found that for majority of aggregates the aggregate crushing value and aggregate impact values are numerically similar within close limits For deciding the suitability of soft aggregates in base course construction aggregate impact test is commonly used A modified impact test is also often carried out in the case of soft