Aggregate testing manual pdf representative sampling of soils, crushed rock and aggregates. Aggregates for concrete bination of gravels or crushed stone with particles predominantly larger than 5 mm 0. Determination of aggregate impact value impact test on. This edition completely replacesy 201the 9 labofebruarratory manual of test procedures. Accordingly, therelevant test methods may be chosen from amongst the various tests covered in this standard. The manual was prepared by committee c09 on concrete and concrete aggregates and has been accepted by the society for publication as information only. Lab manual of concrete technology sanjay ghodawat group of. Illinois test the manual will provide test procedures currently used by the department.
Improper use of test procedures can result in inaccurate data and mistaken conclusions about aggregate and concrete quality. One of the model in which pavement material can fail is by crushing under. Mar 15, 2017 to ditermine the toughness of the aggregate by impact test for the love of physics walter lewin may 16, 2011 duration. Aggregate impact value ba x 100 where a weight in g of saturated surface dry sample. Astm r0030 manual of aggregate and concrete testing. The sample used for this test shall be taken in accordance with chapter 2. This lab manual mainly deals with the common and universal laboratory tests of. The crushed aggregate is removed from the test specimen and sieve it through the 2. For smaller size fractions, a recommended method is described in an appendix to this standard. Range of particle sizes found in aggregate for use in concrete. 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.
Introduction on aggregate impact testing machine ppt. This characteristic is measured by impact value test. Accordingly, this manual directs attention to many of the factors that might affect the results of the tests. The aggregate impact value gives a relative measure of the resistance of an aggregate to sudden shock or impact, which in some aggregates. Accordingly, the relevant test methods may be chosen from amongst the various tests covered in this standard. This manual has the current versions of our laboratory test procedures. Aggregate sizes larger than 14 mm are not appropriate to the aggregate impact value test. Aggregate impact value test construction aggregate. The crushing strength or aggregate crushing value of a given road aggregate is found out as per. To determine the aggregate impact value of coarse aggregates as per is. 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. As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any sizereduction requirements including, advantages of aggregate impact value test, quarry, aggregate, and different kinds of minerals. This manual is intended to supplement, not in any way to supersede, the various astm test methods for sampling and testing aggregate and freshly mixed and hardened portlandcement concrete. Developing a concrete mix design manual for nigeria.
This test is done to determine the aggregate impact value of coarse aggregates as per is. Aggregate impact value to bs812112 impact test equipment. Procedure a shall be used unless otherwise specified. Aggregate crushing value test on coarse aggregates gives a relative measure of the resistance of an aggregate crushing under gradually applied compressive load. Aggregate impact value the value of aggregate impact test w1w2100. Aggregates may be dried by heating at 100110 c for a period of 4 hours and cooled. Find details of companies offering aggregate impact testing machine at best price. Apparatus the apparatus of the aggregate impact value test as per is. After soaking, take the aggregate out, allow to drain for 5 minutes, and then surfacedry it by rolling it in a damp cloth. The test sample shall consist of aggregates the whole of which passes through. 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. Save page to pdf the page to pdf system has been restored. Developing a concrete mix design manual for nigeria free download as powerpoint presentation. Test aggregates are filled up to about onethird full in the cylindrical measure and tamped 25 times with rounded end of the tamping rod.
Aggregates are very important component of concrete, so the quality really matters when it comes to aggregates. Find details of companies offering aggregate impact testing apparatus at best price. Transportation technician qualification program aggregate. This manual covers all tests which are needed to be carried out at site or regional. May 07, 20 objective for determination of the aggregate impact value of coarse aggregate, which passes 12. The aggregate crushing value should not be more than 45 per cent for aggregate used for concrete other. The aggregate handbook hardcover january 1, 1991 by richard d. An impact value is measured as % of aggregates passed through the 2. Various test which are done on aggregates are listed below.
Nominal maximum sizein mm minimum dry mass lb kg us no. Making a sieve analysis test of coarse aggregate in a laboratory. The manual was prepared by committee c09 on concrete and concreteaggregates and has been accepted. Q061 materials testing manual, transport and main roads, november 2014. Advantages of aggregate impact value test products. Procedure of aggregate impact test the test sample consists of aggregates sized 10. When accurate determinations of material finer than the no. 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.
Building materials 10 testing methods page 74 tab32 aggregate size d maximum mm test portion mass minimum kg 63 40 32 10 16 2,6. Powerpoint presentation on laboratory tests conducted on cement, aggregates fine and coarse and concrete cubes. The machine consists of a metal base with a plane lower surface supported well on a firm floor, without rocking. Aggregate impact value aiv test machine mechanical and. The page impact test is not carried out nowadays and has also j. Pdf impact testing of concrete the measurement device. Determination of aggregate impact value impact test on aggregates. 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 their resistance to a slowly applied. Determination of aggregate impact value impact test on aggregates is done to carry out to. May 09, 2017 download civil engineering handbook of material testing krishna may 9, 2017 notes 8 comments this is an important book for civil engineers to learn various methods on how to test the quality of building materials on site and on lab as well. Aggregate impact value to bs812112 aggregates impact. This manual is designed to provide guidance for the sampling, testing, and reporting of test results for aggregate materials as standardized by the michigan department of transportation mdot. Get your kindle here, or download a free kindle reading app.
The advantages of aggregates impact test are that the test. For the convenience of the user, the test methods are grouped into the following eight parts of indian standard methods of test. However, if a test was identical to an aashto, ast, or mftp procedure it was not m duplicated in this manual. The free fall of the hammer should be within 380 5 mm. This degree is assessed by a sieving test on the impacted specimen and is taken as the aggregate impact value. The aggregate comprising the test sample shall be dried in an oven for a period of four hours at a temperature of 100110 c and.
The loss of aggregate 1663 g the percentage of wear 33. Alan impact value of an aggregate is the percentage loss of weight particles passing2. Compression test results show that highstrength concrete containing basalt. The overall goals of this aggregate course are to understand the basics of aggregate and to be competent with specific quality control test procedures identified for the transportation technician qualification program of the western alliance for quality transportation construction waqtc. Aggregate crushing value test determine aggregate crushing. The aggregate crushing value acv of an aggregate is the mass of material, expressed as a percentage of the test sample. Uta0650 aggregate impact value aiv testing apparatus. Download civil engineering handbook of material testing. Dec 29, 2014 a test designed to evaluate the toughness of stones i. Updates are made to the electronic file as needed and hard copies.
Effect of basalt aggregates and plasticizer on the compressive. Manual of aggregate and concrete testing1 introduction this manual is intended to supplement, not in any way to supersede, the variousastm test methods for sampling and testing aggregate and freshly mixed and hardened portlandcement concrete. Aggregate impact value test civil engineering panel. The interior surface of the cylinder shall be free from protrusions. For the convenience of the users the test methods are roupcdinto the following eight parts of indian standard methods of test for aggregates for concrete is. Many, but not all, situations the technician encounters will be covered. The methods are applicable to aggregates passing at 14. It shall be free to rotate on its own axis, which shall be parallel with. The apparatus used for determining aggregate impact value of coarse aggregates is. Illinois test procedure 104 soundness of aggregate by use of sodium sulfate. This manual does not purport to address all of the safety concerns, if any, associated with its use. Just click on the names of the tests above to know the entire procedure of how we perform these tests. The apparatus of the aggregate crushing value test as per is.
The apparatus shall be free of all vibrations during the test. When the mass of the aggregate has been determined, the aggregate is immersed in water for 24 h. Compressive strengths range from 25 mpa 3,670 psi to 97 mpa,970 psi. Aggregate size d maximum mm test portion mass minimum kg 63 40 32 10 16 2,6 8 0,6.
Fakulti kejuruteraan awam universiti teknologi mara pasir gudang laboratory manual course highway engineering course code ecg354 level of openness 0 category partially open degree of openended % 0 period of activity 1 week experiment aggregate impact test preamble introduction the traditional methods of conducting laboratory. For the convenience of the user, the test methods are grouped into the following eight parts of indian standard methods of test for aggregates for concrete is. Some natural aggregate deposits, called pitrun gravel, consist of gravel and sand that can be readily used in concrete after minimal processing. 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. Feb 08, 2012 impact test may either be carried out on cylindrical stone specimens as in page impact test or on stone 1aggregates as in aggregate impact test. Free software downloads we have just added a free download for our bm239 marshall test software. Aiv test is conducted to determine the aggregate impact value of coarse aggregate. Download scientific diagram test procedure for aggregate impact value.
5 1237 574 1300 1358 348 1068 1205 257 1074 233 1121 1136 466 1262 14 874 1146 791 768 1315 880 717 721 1429 652 687 1104 1031 1120 129 297 175 522 890 802 873 463 1332 408 1043 1281 645 825