Apparatus 1. Aggregate Impact Machine 2. Steel cylinder mould 3. Tamping rod 4. Sieves of sizes of 12.5 mm, 10.0 mm and 2.36 mm 5. Laboratory oven 6. Metal trays 7. Electronic balance of accuracy to 0.01 g 8. Fine haired brush (3 mm) Procedures 1. The aggregates sample was prepared by sieving the aggregate first and the portion passing 14.0 mm test sieve …
WhatsApp: +86 18221755073
The aggregate impact value indicates a relative measure of the resistance of aggregate to a sudden shock or an impact, which in some aggregates differs …
WhatsApp: +86 18221755073
Aggregate Impact Test - Free download as Word Doc (.doc), PDF File (.pdf), Text File (.txt) or read online for free. The document describes the aggregate impact test, which is used to evaluate the toughness of aggregates for use in pavements. The test involves subjecting aggregates contained in a metal cup to 15 blows from a falling hammer. The crushed aggregates are then …
WhatsApp: +86 18221755073
The aggregate impact value test is done to test the compressive strength of aggregate when sudden and immediate impact force acted on it. ... Final report of aggregate impact value test. Weight of oven dried aggregate sample (A) = …
WhatsApp: +86 18221755073
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. The material is filled in 3 layers where each layer is ...
WhatsApp: +86 18221755073
Aggregates lab report.PDF - Free download as PDF File (.pdf), Text File (.txt) or read online for free. The document records the results of experiments conducted on aggregates to determine various properties. It includes procedures to …
WhatsApp: +86 18221755073
Free fall of hammer should be within 380±5 mm. A cylindrical metal measure having internal diameter 75 mm and depth 50 mm for measuring aggregates. Tamping rod 10 mm in diameter …
WhatsApp: +86 18221755073
Procedure of 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. (i) Sieve the material through 12.5 mm and 10.0mm IS sieves. The aggregates passing through 12.5mm sieve and retained on 10.0mm sieve comprises the test material.
WhatsApp: +86 18221755073
The general test procedure of the aggregate impact value test is briefly described below: Objectives of Impact Test. 1. To assess the suitability of the aggregate to be used in the highway pavement. 2. To determine the aggregate impact value. Apparatus Required. 1. An impact testing machine weighing between 45kgs to 60 kgs with a metal base.
WhatsApp: +86 18221755073
5.16 The Heavy Impact Value has application to testing the same materials as those tested by the standard, light, medium, and heavy medium heavy impact soil testers, but the greater mass of this impact soil tester provides less sensitivity of the output so is applicable for harder materials at the top end the scales or beyond the ranges of the lighter impact soil testers.
WhatsApp: +86 18221755073
Los angeles abrasion test.pdf - Free download as PDF File (.pdf), Text File (.txt) or read online for free. This document describes the procedure for determining the Los Angeles abrasion value of aggregates to assess their suitability for use in road construction. The test involves placing aggregate samples and steel balls in a rotating drum.
WhatsApp: +86 18221755073
This paper presents an assessment of the Aggregate Impact Value (AIV) test, crucial for evaluating the strength and suitability of aggregates used in road construction. The AIV indicates the resistance of aggregates to crushing under …
WhatsApp: +86 18221755073
This document describes a test method for determining the aggregate impact value (AIV) of aggregates, which provides a measure of their resistance to sudden shock or impact. The test involves compacting aggregate samples in a steel cup and subjecting them to 15 blows from a hammer. The crushed material is then sieved and the percentage passing a 2.36mm sieve is …
WhatsApp: +86 18221755073
The strength of coarse aggregates is assessed by aggregates impact test. The aggregate impact value provides a relative measure of resistance to crushing under a gradually applied compressive load. To achieve a high quality of pavement, lower aggregate impact value should be preferred. Toughness is the property of a material to resist impact.
WhatsApp: +86 18221755073
Aggregate Abrasion Value Test Report - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. The document reports on an experiment conducted by a group of civil engineering students to determine the aggregate impact value of a sample. The group followed standard procedures to conduct the Los Angeles Abrasion test, which involves …
WhatsApp: +86 18221755073
%PDF-1.4 %âãÏÓ 4 0 obj /CA 1.0 /OP false /SMask /None /SA true /ca 1.0 /OPM 0 /op false /AIS false /BM /Normal /Type /ExtGState >> endobj 7 0 obj /N 4 /Filter /FlateDecode /Length …
WhatsApp: +86 18221755073
This lab report summarizes an experiment to determine the aggregate impact value (AIV) of a sample. The AIV test subjects aggregate samples to standard impacts from a dropping weight to assess their resistance to shock or impact. The procedure involves compacting 350g of aggregate between 10-14mm in size into a cup, subjecting it to 15 blows, then sieving to determine how …
WhatsApp: +86 18221755073
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 Dr. Tom V. Mathew, IIT Bombay 4 September 24, 2010. Transportation Systems Engineering 8. Pavement materials: Aggregates
WhatsApp: +86 18221755073
The point load test apparatus and procedure enables economical testing of core or lump rock samples in either a field or laboratory setting. In order to estimate uniaxial compressive strength ...
WhatsApp: +86 18221755073
Aggregate Impact Value report.docx - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. The document describes the Aggregate Impact Value (AIV) test outlined in ASTM-D58-74. The test determines the toughness of aggregate materials by measuring the percentage weight loss of particles passing a 2.36mm sieve after being …
WhatsApp: +86 18221755073
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 compressive …
WhatsApp: +86 18221755073
2. Impact, 10% Fines & Crushing Tests Quarry plant such as crushers, screens, conveyors, etc. are all subject to wear and these crushing tests can indicate the magnitude of the problem for design purposes. PROCEDURE - Aggregate Impact Value (SS 1974) 1. The apparatus consists of a steel test mould with a falling hammer as shown in Figure 1.
WhatsApp: +86 18221755073
Aggregate impact value test - Download as a PDF or view online for free. ... Aggregate impact value test - Download as a PDF or view online for free ... Report content. Report content. 1 of 1. Download now. Downloaded 203 times. 1. Recommended. Los Angeles Abrasion Test.pptx by NUR, has 17 slides with 1808 views.
WhatsApp: +86 18221755073
DETERMINATION OF AGGREGATE IMPACT VALUE (AIV) (BS 812-112) Scope: This Part of BS 812 describes methods for the determination of the aggregate impact value (AIV) which gives a relative measure of the resistance of an aggregate to sudden shock or impact. Principle A test specimen is compacted, in a standardized manner, into an open steel cup.
WhatsApp: +86 18221755073
The document describes a procedure to determine the aggregate impact value through laboratory testing. The test involves subjecting aggregate samples to 15 blows from a falling hammer, then measuring the amount of material that passes through a 2mm sieve. Two aggregate samples were tested according to this procedure and found to have impact values of 12.07% and …
WhatsApp: +86 18221755073
The purpose of conducting an Impact Test on Aggregates is twofold. Firstly, it is performed to determine the impact value of road aggregates. This value is a measure of the strength or toughness of the aggregates and is calculated by subjecting them to a standard amount of impact. The impact value is then used to… /determination-of-aggregate-impact …
WhatsApp: +86 18221755073
3. The impact test is a type of quality control test for highway pavements that is used to determine the suitability of aggregates for use in highway pavement construction. Aggregates used in road construction should be strong enough to resist abrasion, crushing, and impact load. Objective Based on the impact value, we can decide whether the coarse …
WhatsApp: +86 18221755073
AIV test - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. The document discusses the aggregate impact value (AIV) test for determining the toughness and resistance to impact of …
WhatsApp: +86 18221755073
The apparatus of the aggregate impact value test as per IS: 2386 (Part IV) – 1963 consists of: 7) A testing machine weighing 45 to 60 kg and having a metal base with a plane lower surface of not less than 30 cm in diameter. It is supported on level and plane concrete
WhatsApp: +86 18221755073
Aggregate Impact Test - Free download as PDF File (.pdf), Text File (.txt) or read online for free. This document contains the table of contents for a lab report on determining the aggregate impact value of road construction materials. It includes sections on introduction, objectives, problem statement, apparatus and materials, procedure, data analysis, discussion, conclusion, …
WhatsApp: +86 18221755073
Crushing test and Impact test are very important to estimate strength and toughness characteristics of the road aggregate. Extensive experimental procedures and different sets of equipment...
WhatsApp: +86 18221755073
LAB 4 - Aggregate Impact Test - Free download as PDF File (.pdf), Text File (.txt) or read online for free. aggregate impact test lab report
WhatsApp: +86 18221755073
On the basis of impact loading tests and uniform loading test aggregate are classified on strength basis and are compared with standard limits. Of the selected aggregates, all the samples crushed in the range which is acceptable. Margalla Aggregate crushed the most under Impact loading and uniform loading while Sargodha aggregate crushed least.
WhatsApp: +86 18221755073
Scope: This Part of BS 812 describes methods for the determination of the aggregate impact value (AIV) which gives a relative measure of the resistance …
WhatsApp: +86 18221755073
AIV lab report - Free download as Word Doc (.doc / .docx), PDF File (.pdf), Text File (.txt) or read online for free. This document summarizes procedures for determining the aggregate impact value of aggregates according to BS 812: Part 3: 1975. The test involves filling a metal container one-third at a time with dried aggregate samples that have been sieved to between 10-14 mm in size.
WhatsApp: +86 18221755073
The Aggregate Impact Value Test is one such test. The impact test is a type of quality control test for highway pavements that is used to determine the suitability of aggregates for use in highway pavement construction. The principal …
WhatsApp: +86 18221755073