تعتبر شركة Olux شركة رائدة ومتميزة على المستوى الدولي في مجال البحث والتطوير وتصنيع وبيع محطات التكسير والغربلة واسعة النطاق ومعدات الطحن الصناعية ومصانع الاستفادة.
Read More: Aggregate Crushing Value Test – Procedure and Result. ... Reference:-Aggregate impact value test IS Code is 2386 (Part 4) – 1963 PDF. Test Apparatus. 1. Impact testing machine. 2. The total weight of the machine …
WhatsApp: +86 18221755073
While sourcing the aggregates, one must also look for the mechanical properties to ensure the strength and durability requirement of the aggregates. The code suggests the following tests: Aggregate crushing value; Aggregate impact …
WhatsApp: +86 18221755073
Various Tests for Aggregates with IS codes: Property of aggregate. Type of Test. Test Method. Crushing strength. Crushing test. IS : 2386 (part 4) -1963. Hardness. Los Angeles abrasion test. IS : 2386 (Part 5)-1963. …
WhatsApp: +86 18221755073
Aggregate crushing value is the measure of resistance of aggregate to crushing against gradually applied compressive load. This test is conducted to determine the crushing strength of aggregate.
WhatsApp: +86 18221755073
The strength of coarse aggregates is assessed by Aggregate Impact Value test. The aggregate impact value provides a relative measure of resistance to sudden shock or impact. APPARATUS 1. Aggregate impact testing machine 2. Cylindrical mould 3. Tamping rod 4. IS sieve 12.5, 10 and 2.36 mm 5. Balance 6.
WhatsApp: +86 18221755073
the. aggregate which require to be assessed. Accordingly, the relevant test methods may be chosen from amongst the various tests covered in this standard. 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 : 2386-1963 ):
WhatsApp: +86 18221755073
the quality of aggregates used therein. The test methods given in this standard are intended to assist in assessing the quality of aggregates. In a given situation, for a particular aggregate, it may not be necessary to assess all the qualities and therefore it is necessary to determine before-
WhatsApp: +86 18221755073
Roundness can be tested using the shape test, crushing by crushing test and durability by soundness test. 2. If the aggregate impact value lies between 10 – 20%, the aggregate is said to be ______
WhatsApp: +86 18221755073
2.1.2 Crushed Stone Sand - Fine aggregate produced by crushing hard stone. 2.1.3 Crushed Grace1 Sand - line aggregate produced by crushing natural gravel. . 2.2 Coarse Aggregate -- Aggregate most of which is retained on 4*75-mm IS Sieve and containing only so much finer material as is permitted for
WhatsApp: +86 18221755073
relating to testing of aggregates for concrete, and it does not include all the necessary provisions of a contract. 1. SCOPE 1.1 This standard (Part VII) covers the following two methods of test for determining the potential reactivity of aggregates: a) Determination of Potential Alkali Reactivity of Cement-Aggregate Combinations (Mortar Bar ...
WhatsApp: +86 18221755073
Here I have explained about crushing value test of road aggregate. Read definition, apparatus, IS code, procedure, observations, formula, result, lab report about aggregate crushing value test of coarse aggregate. …
WhatsApp: +86 18221755073
AGGREGATE CRUSHING VALUE This test helps to determine the aggregate crushing value of coarse aggregates as per IS: 2386 (Part IV) – 1963. ... 12.5mm, 10mm and 2.36mm. Procedure to determine Aggregate Crushing Value i) The aggregates passing through 12.5mm and retained on 10mm IS Sieve are oven-dried at a temperature of 100 to 110 o C for 3 to ...
WhatsApp: +86 18221755073
This test, prescribed by BS 812: Part 110:1990, assesses the resistance of an aggregate to crushing, indicating its ability to withstand compressive loads.
WhatsApp: +86 18221755073
The specific gravity of coarse aggregate as per is code is 2.5 to 3. ... Property of aggregate. Type of Test. Test Method. Crushing strength. Crushing test. IS: 2386 (part 4) -1963. Hardness. Los Angeles abrasion test. IS: 2386 (Part 5)-1963. Toughness. Aggregate impact test. IS: 2386 (Part 4)-1963. Durability. Soundness test- accelerated ...
WhatsApp: +86 18221755073
1.1 Aggregate crushing value test (ACV) Satisfactory resistance to crushing und er the roller during . ... recommended by the BIS code (Bureau of Indian Standards (BIS), 2002).
WhatsApp: +86 18221755073
The values of aggregate crushing test agree in general with that of aggregate impact test. The crushing strength test is most significant as far as the conditions to which the aggregates is likely to be subjected in practice are concerned. The suitability of aggregate in the pavement layers is dependent upon the type of road construction.
WhatsApp: +86 18221755073
Aggregate Crushing Value Test is an important test to be performed on aggregate. The strength of aggregate parent rock is determined by preparing cylindrical shape specimens of size 25 mm diameter and 25 mm height. IS …
WhatsApp: +86 18221755073
This test is conducted to determine the crushing strength of aggregate. This test helps to assess the suitability of aggregates for use in road construction and other applications where they are subjected to high compressive stresses. The specifications for this test are given in IS : 2386 Part IV 1963 mechanical properties. Procedure
WhatsApp: +86 18221755073
The crushing value test of aggregate provides the resistance of an aggregate sample to crushing under gradually applied compressive load. Generally, the test is conducted on aggregate passing 12.5 mm and retained on a 10 mm sieve.
WhatsApp: +86 18221755073
Apparatus needed for the aggregate crushing value test includes a steel cylinder with a diameter of 15 cm, along with a plunger and base plate. A straight metal tamping rod with a 16 mm diameter and a rounded end, measuring between 45 and 60 cm in length is also required. A balance that can handle up to 3 kg and is readable and accurate to one ...
WhatsApp: +86 18221755073
This document gives the determination of aggregate crushing value (ACV) of aggregates. This gives a relative measure of the resistance of the aggregate crushing under the gradually applied compressive load. The method is applicable to aggregates passing a 14,0 mm test sieve and retained on a 10,0 mm test sieve.
WhatsApp: +86 18221755073
Aggregate crushing test is a standard method of measuring the strength of coarse aggregates used in concrete. The test involves applying a gradually increasing compressive load to a sample of aggregate until it fails or fractures. ... Typical AIV limits for different applications are specified in codes and standards. porous aggregates subjected ...
WhatsApp: +86 18221755073
IS : 2316( Part II)-1963 Indian Standard METHODS OF TEST FOR AGGREGATES FOR CONCRETE PART II ESTIMATION OF DELETERIOUS MATERIALS AND ORGANIC IMPURITIES o. FOREWORD 0.1 This Indian Standard (Part II) was adopted by the Indian Stan dards Institution on 22 August 1963, after the draft finalized by the Cement and Concrete …
WhatsApp: +86 18221755073
The strength of coarse aggregates is assessed by aggregate crushing test. Prodecure to conduct crushing Value Test. Apparatus. The apparatus for the standard test shall consist of the following : A 15-cm diameter open-ended steel cylinder, with plunger and base-plate, of the general form and dimensions shown in Fig. ...
WhatsApp: +86 18221755073
Concept and significance of the Aggregate crushing value test. The ' aggregate crushing value test ` gives a relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. Aggregate crushing value is defined as the percentage by weight of the crushed (or finer) material obtained when the test aggregates are subjected to a …
WhatsApp: +86 18221755073
Aggregate Impact Test. Read definition, apparatus, IS code, procedure, observations, formula, result and lab report about aggregate impact value test.
WhatsApp: +86 18221755073
NOTE 2 - The standard aggregate crushing test shall be made on aggre a 12.5-mm IS Sieve and retained on a IO-mm IS Sieve. If required, or if tR ate . passing . e standard size is not available, other sizes up to 25 mm may be tested but owing to the noIlchomo- geneity of aggregates the results will not be comparable with those obtained in the ...
WhatsApp: +86 18221755073
the relevant test methods may be chosen from amongst the various tests covered in this standard. For the convenience of the users, the test methods are grouped into the following eight parts of Indian Standard Methods of Test for Aggregates for Concrete ( IS : 2386-1963 ): Part I Particle Size and Shape
WhatsApp: +86 18221755073
The test conducted to know the compressive strength of aggregate is known as aggregates crushing value test. The crushing value of aggregates is rather insensitive to variation in strength of weaker aggregates. For this reason, a simple test known as 10 percent fine value is introduced. When the aggregates crushing value become 30% or higher ...
WhatsApp: +86 18221755073
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.
WhatsApp: +86 18221755073
IS 9376:1979 Specification for apparatus for measuring aggregate crushing value and ten percent fines. IS 9377:1979 Specification for apparatus for aggregate impact . IS 9399:1979 Specification for apparatus for flexural testing …
WhatsApp: +86 18221755073
Crushing Strength Test on Aggregates: The crushing strength of aggregates is a paramount property, indicating their ability to endure applied loads. The process involves utilizing a compression testing machine, cylindrical measure, plunger, and Isa sieves. The aggregate sample undergoes sieving, tampering, and compression, with the crushing ...
WhatsApp: +86 18221755073
The aggregate whose crushing value is less than 30% can be used for cement concrete road. The aggregate whose crushing value is less than 40% can be used for wearing surface. This test must be done before it comes to road and …
WhatsApp: +86 18221755073
In a given situation, for a particular aggregate, it may not be necessary to assess all the qualities and therefore it is necessary to determine before- hand the purpose for which a concrete is …
WhatsApp: +86 18221755073
For determination of the aggregates 10% fines value of coarse aggregate, which passes 12.5 mm. IS sieve and retained on 10 mm IS sieveSee more on civilblog
IS: 2386 (Part IV)-1963 Methods of test for aggregate for concrete Part IV Mechanical Properties. Test sample consist of aggregate passing a 12.5mm IS sieve and retained on a 10mm IS sieve. The aggregate to be tested …
WhatsApp: +86 18221755073
The apparatus of the aggregate crushing value test as per IS: 2386 (Part IV) – 1963 consists of: 1) A 15cm diameter open ended steel cylinder with plunger and base plate, of the general form and dimensions as shown in Fig 1. 2) A straight metal tamping rod of circular cross-section 16mm diameter and 45 to 60
WhatsApp: +86 18221755073