Aggregate Impact Value Test Calculator. a) Weight of empty Cylindrical steel cup (W1) Gram b) Weight of Cylindrical steel cup + Aggregate (W2) Gram c) Weight of ggregate passing through 2.36 mm Sieve (W3) Gram Results: Actual Weight of Aggregate. Impact Value of aggregate. Status. Print this page.
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 …
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 from its resistance to a slow compressive load. ... 1.1 OBJECTIVE The objective of this experiment is to determine the aggregate impact value which provides the relative measure of the ...
Then aggregate impact value is expressed as the percentage of fines formed in terms of the total weight of the sample. Observations:-Table: Impact value of sample aggregates. Observation. Trail 1. Trail 2. Total weight of the aggregate filling the cylindrical metal measures W ...
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 …
TITLE OF EXPERIMENT: AGGREGATE IMPACT VALUE MOHAMMED ZUMIR ISHRAT & SHERNAL NIVIKESH CHAND – S11195766 & S. 1. Objective. The aim of the lab is to find the aggregate impact value which is relative indicator of the aggregate's capability to absorb and rebound from a rapid impact.
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 …
86556593 Aggregate Impact Value - Free download as PDF File (.pdf), Text File (.txt) or read online for free. The document describes the process to determine the aggregate impact value in the laboratory. Samples of …
Designation (Number): B.S. 812: Part 112: 1990. Scope: -Testing coarse aggregates for resistance to Impact Aggregates: -combination of sand, gravel, crushed stone, or other material of mineral composition-Natural aggregates taken from quarries (natural deposits)-Manufactured aggregates include blast furnace slag, clay and slate …
The aggregate impact value is expressed as percentage of fines formed in terms of the total weight of sample. Let the original weight of the oven dry sample be W 1 g and the weight of the fraction passing 2.36 mm IS sieve be W 3 g. Aggregate Impact value = 100 W 3 W 1 Result: Aggregate impact value of specimen -----
This document describes the aggregate impact test procedure. The aim is to determine the resistance of coarse aggregate to sudden shock or impact by subjecting oven-dried samples to 15 blows from a falling hammer. The percentage of fines produced, particles smaller than 2.36mm, is measured and expressed as the aggregate impact value. The …
Experimental work of aggregate treatments3.1. Testing methods. Aggregate impact value (AIV) and water absorption (WA) were carried out on RA before and after treatment to evaluate the effects of treatments on enhancing these two properties. AIV was carried out in accordance with BS EN 1097–2:2020 [33]. AIV was performed on …
This document provides instructions for performing an aggregate impact value test in a civil engineering technology laboratory. The objectives are to determine the aggregate impact value and measure the weight …
Round the result to the nearest whole number, and report the mean of two observations as the Aggregate Impact Value. What do the AIV values mean? Here are …
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Aggregate Impact Value (AIV) = B/A x 100. Where B = weight of aggregate passing through 2.36 mm sieve. A = weight of the oven – dried sample. Note. AIV should not be more than 45% for use in concrete other than wearing surfaces, and 30% for concrete used for wearing surfaces such as roads, runways and pavements.
Experiment No. 2 DETERMINATION OF AGGREGATE IMPACT VALUE 1. AIM 3) To determine the impact value of the road aggregates ... Aggregate impact value is used to classify the stones in respect of their toughness property as indicated below in Table 1. Table 1: Classification of aggregate based on aggregate impact value ...
The observations in the Impact Test are recorded, including the total weight of the dry sample (W1 gm), weight of portion passing the 2.36 mm sieve (W2 gm), and the calculated Aggregate Impact Value in percent. Significance of Aggregate Impact Value. The Aggregate Impact Value is used to classify aggregates based on their suitability for ...
To evaluate the toughness of a stone i.e. the resistance of the aggregates to fracture under repeated impacts is called Impact Test.This test is done to determine the aggregate impact value of coarse aggregate as per IS 2386 (Part-IV) 1993. Aggregate Impact Value Test as per IS 2386 (Part-IV) 1993
3) To assess the resistance of an aggregate to mechanical degradation. 4.2 Significance and Use The aggregate impact value gives a relative measure of the resistance of an aggregate to sudden shock or impact. When road aggregate has been manufactured to specify grading, it is loaded with trucks, transported and compacted. As a result of this ...
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 …
AG1130 Aggregate Impact Value (AIV) Apparatus is supplied complete with; • Impact Value Frame with Counter • Cylindrical Measure, Ø 75 mm, • Steel Tamping Rod, Ø 16x600 mm . Close. Technical Specifications for Aggregate impact Value (Aiv) Apparatus. Dimensions. 440x320x870 mm.
The aggregates should therefore have sufficient toughness to resist their disintegration due to impact. This characteristic is measured by impact value test. 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. 3.
In the Aggregate impact value test, a small portion of coarse aggregates having a size range between 10 to 12.5 mm, is confined in a 75 mm diameter cylindrical metal measure and
EXAMPLE FOR LAB REPORT laboratory aggregate impact value introduction aggregate impact value (aiv) is the percentage of fines produced from the aggregate sample. Skip to document. University; ... Based on the experiment and collected data, the value of average percentage wear that we got for the average is 30%. This shown that the …
AIV REPORT aggregate impact value introduction aggregates used in road construction, should be strong enough to resist crushing under traffic wheel loads if the. ... From the experiment, we get the value is 21% and 9 % less than the requirement concrete used for wearing surface such as road work which is 30 %. Aggregate physical property must ...
The cement employed in this experimental study is of the UNICEM brand, possessing a grade of 42.5 and conforms to BS EN 197–1:2011 specifications. ... The Aggregate Impact Value (AIV) test is a ...
Aggregate impact value is the measure of the resistance of an aggregate to sudden shock or impact. This test is conducted to determine the toughness of …
This document describes a test to determine the aggregate impact value of different coarse aggregate samples according to BS 812. The aggregate impact value test subjects an aggregate sample to standard impacts from a falling weight to measure its resistance to shock or impact. An aggregate impact value below 10 is considered …
This paper reports an experimental investigation carried out to establish a mathematical relationship between aggregate crushing value (ACV) and ten percent fines aggregate crushing value (TFV ...
Aggregate Crushing Value Apparatus. A 15 cm dia. Steel ; cylinder with the plunger and base plate. A straight metal tamping rod 16mm in diameter and 45 to 60cm long rounded at one end.
