aggregate impact value aiv test kenya

As a pure natural stone with high usage value, river gravel is formed in the long-term impact, squeeze and friction function. River gravel generally shows the color of black, white, yellow, red, green gray, etc. 

Gold ore whose types of deposits are diverse and complex is the mineral assemblage of gold. With features of chalcophile affinity and high melting point, the gold ore includes conglomerate type, porphyry type, quartz vein type and volcanic rock type, etc.

Stone crushing plant is also called rock crushing plant and stone production line, which is the professional industrial machine to crush sand and stones. It is mainly composed of vibrating feeder, jaw crusher, impact crusher, vibrating screen, belt con

The 700t/d Gold Concentration Plant in Sudan is designed by Henan Fote Heavy Machinery Co., Ltd. Fote Machinery has provided the whole service including ore beneficiation test, plant design and construction drawing design, complete equipment manufacture a

Main Equipment:Jaw crusher, impact crusher, hammer crusher, vibrating screen, classifier, ball mill, etc.

Purchasing equipment: mobile crushing station with models of FTM938E69 and FTM935F1214L as well as belt conveyor with types of B800×10m, B800×12m, B800×14m, B800×18m and B650×15m.

Procedure of Aggregate Impact value test The test sample normally aggregates sized 100 mm to 125 mm the aggregates should be dried by heating at 100110 0C for a period of 4 hours and cooled Sieve the material through 125mm and 100 mm IS sieves The aggregates passing through 125 mm sieve comprises the test material

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 of Aggregate Impact Test The test sample consists of aggregates sized 100 mm 125 mm Aggregates may be dried by heating at 100110° C for a period of 4 hours and cooled

Product Rock and Aggregate Testing Aggregate Impact Value Tester AIV1375 PRODUCT DETAILS Aggregate Impact Value Tester AIV1375 Hammer weight 1375kg±005kg Fall height 380±5mm Impact cup Dia102×50mm

The Aggregate Impact Value Testing Apparatus meets with BS 812 it is robustly designed to determine the Aggregate Impact Value AIV of aggregates which provides a relative measure of the resistance of an aggregate to sudden shock or impact The counter fitted to the machine automatically records the number of blows delivered to the sample

Jul 16 2014 · Aggregate Impact Value Testing machine The test equipment and the test procedure are quite simple and it determines the resistance to impact of stone aggregates simulating field condition This test can be performed even at construction site or at stone quary as the apparatus is simple and portable

A small portion of 14–10 mm sized coarse aggregate particles is confined in a steel pot and subjected to 15 blows by a small hammer in a standardised test rig after which the ‘ aggregate impact value’ AIV is determined from the fine material generated expressed as a percentage of the original weight of the test portion BS 812 Part 112 1990 130 Lower values indicate aggregates which are tougher or

AGGREGATE IMPACT VALUE This test is done to determine the aggregate impact value of coarse aggregates as per IS 2386 Part IV – 1963 The apparatus used for determining aggregate impact value of coarse aggregates is Impact testing machine conforming to IS 2386 Part IV 1963IS Sieves of sizes – 125mm 10mm and 236mm A cylindrical metal measure of 75mm dia and 50mm

The ratio of the weight of fines formed to the total sample weight in each test shall he expressed as a percentage the result being recorded to the first decimal place Aggregate Impact Value BA X 100 where A weight in g of saturated surface dry sample B

May 07 2013 · Objective For determination of the aggregate impact value of coarse aggregate which passes 125 mm IS sieve and retained on 10 mm IS sieve Reference Standards IS 2386Part IV1963 Methods of test for aggregate for concrete Part IV Mechanical Properties Equipment Apparatus Aggregate Impact Test Machine Sieves 125mm10mm Cylindrical metal measure Tamping Rod

Grading of fine aggregate including material finer than 75µm or 63 µm Grading of coarse aggregate Organic impurities fine aggregate Aggregate crushing value ACV Aggregate impact value AIV Flakiness index Elongation index Specific gravity water absorption 10 fines value Moisture content Soundness Point load test Surface

The Aggregate Impact Value Testing Apparatus meets with BS 812 it is robustly designed to determine the Aggregate Impact Value AIV of aggregates which provides a relative measure of the resistance of an aggregate to sudden shock or impact The counter fitted to the machine automatically records the number of blows delivered to the sample

Aggregate Impact Value Tester AIV1375 Hammer weight 1375kg±005kg Fall height 380±5mm Impact cup Dia102×50mm

Aggregate Impact Values AIV’s below 10 are regarded as strong and AIV’s above 35 would normally be regarded as too weak for use in road surfaces Aggregate Impact Values and Aggregate Crushing Values are often numerically very similar and indicate similar aggregate strength properties Aggregate Impact Value Test Specifications

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 times15 crushed aggregate removed from the cup then sieved and weighed The ratio of the weight passing 236mm sieve and weight of oven dried sample is Aggregate Impact value

The methods are applicable to aggregates passing at 140 mm test sieve and retained on a 100 mm test sieve For smaller size fractions a recommended method is described in an appendix to this standard Aggregate sizes larger than 14 mm are not appropriate to the aggregate impact value test

Used to determine the aggregate impact value AIV which provides a relative measure of the resistance of an aggregate to sudden shock or impact The machine is robustly designed made from steel protected against corrosion Fit with a counter to check the

The ratio of the weight of fines formed to the total sample weight in each test shall he expressed as a percentage the result being recorded to the first decimal place Aggregate Impact Value BA X 100 where A weight in g of saturated surface dry sample B

the circumferential welds on pipe rarely fail due to AIV The AIV study is broken down into two phases 1 First the sound power level PWL created by the pressure reducing device eg a pressure safety valve a blowdown valve or an orifice plate is calculated by Eq 1 If

DETERMINATION OF AGGREGATE CRUSHING VALUE 21 Object This method of test covers the procedure for determining aggregate crushing value of coarse aggregate NOTE 1 The ‘aggregate crushing value’ gives a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load With aggre

Mar 22 2018 · The aim of aggregate impact test is to determine the relative measure of the resistance of aggregate to sudden shock or impact in which in some aggregate differs from its resistance to a slowly applies compressive load The property of a material

Utest Material Testing Equipment Standards BS 812112 The Aggregate Impact Value Testing Apparatus meets with BS 812 it is robustly designed to determine the Aggregate Impact Value AIV of aggregates which provides a relative measure of the resistance of an aggregate to sudden shock or impact

Importance Of Aggregate Crushing Value Test For Road Aggregate impact value test also gives an indirect indication of the strength characteristics of aggregate aggregate impact value of a sample also depends on the shape factors such as flakiness index and elongation index of the aggregat it has been found that for majority of aggregates the aggregate crushing value and aggregate impact