UNIT 2 AGGREGATES
aggregate crushing value of aggregates for concrete used for roads and pavements is restricted to 30 percent while 45 percent may be permitted for other structures. IS 383-1970 specifies that aggregate impact value shall not exceed 45 percent by weight for- aggregate used for concrete other than wearing surface and 30 percent by weight for ...
اقرأ أكثر
Is 383 1970 PDF | PDF
is-383-1970.pdf - Free download as PDF File (.pdf), Text File (.txt) or read online for free. This document provides the Indian Standard specification for coarse and fine aggregates from natural sources for concrete. It outlines requirements for aggregate properties including deleterious materials, aggregate abrasion value, and soundness testing.
اقرأ أكثر
IS 383 (1970): Specification for Coarse and Fine Aggregates From
[Solved] As per IS 383-1970, the crushing value of an aggregate …
Aggregate crushing value = (W 2 /W 1) × 100; where, W 1 = Total weight of the dry sample . W 2 = weight of material passing through 2.36 mm IS sieve. The aggregate crushing value for the …
اقرأ أكثر
IS 383: 2016 Coarse and Fine Aggregate for Concrete …
• Mechanical Properties - a) Aggregate Crushing Value b) Aggregates Impact Value c) Aggregate Abrasion Value • Soundness of Aggregate • Alkali Aggregate Reaction etc. The method of sampling shall be in accordance with IS 2430. The amount of material required for each test shall be as specified in the relevant
اقرأ أكثر
SUITABILITY OF BRICK AS AN AGGREGATE IN …
crushing value is found by allowing a standard hammer to fall gradually onto a sample of aggregate and measuring the weight of the fines resulting from gradual load application. The results shown in Table 2illustrates that the crushing values of both GA and RBA are in allowable limits set out by IS 383: 197010.The crushing value of RBA is 44.3%.
اقرأ أكثر
Assessment on Quality of Coarse and Fine Aggregate of …
As per IS:383-1970 defines that aggregate from . ... crushing value of coarse aggregate from all the sampled quarry site is found to be within limit . defined by DoR Specification-2078.
اقرأ أكثر
[Solved] As per IS 383 (1970), the grading limit percentage of fine a
Concept: Fine aggregate: The grading of fine aggregates, when determined as described in IS: 2386 (Part I)-1963 shall be within the limits given in Table 4 and shall be described as fine aggregates, Grading Zones I, II, III and IV: Where the grading falls outside the limits of any particular grading zone of sieves other than 600-micron IS Sieve by a total …
اقرأ أكثر
IS 383-1970
4 Absorption value, e-1 Aggregate crushing value or aggregate impact value, f > Abrasion value, 69 Flakiness-index, h) Elongation-index, 3 Presence of deleterious materials, k) Potential reactivity of aggregate, and. m> Soundness of aggregate, APPENDIX B ( Clause 0.9) TITLES OF REFERRED STANDARDS. IS : 2- 1960 Rules for rounding off numerical ...
اقرأ أكثر
IS 383
IS 383 (1970): Specification for Coarse and Fine Aggregates From Natural Sources For Concrete [CED 2: Cement and Concrete] ... some of the limits as a result of-some fLtrrher tests and evidence of satisfactory performance of the aggregates. 3 Aggregate Crushing Value-The aggrcgnte crushing value, when determined in accordance with IS: 2386 (Par
اقرأ أكثر
[Solved] As per IS 383 (1970), the passing percentage of fine …
As per IS 383 (1970), the passing percentage of fine aggregates under Zone IV from an IS 600 microns sieve is _____. ... Fine aggregate: The grading of fine aggregates, when determined as described in IS: 2386 (Part I) ... As specified in IS 2386 (Part IV) : 1963, which of the following set of sieves are used to find the crushing value of ...
اقرأ أكثر
Fineness Modulus of Coarse aggregate:
Generally, sieve analysis is done to find out fineness modulus of Coarse Aggregates as well as coarse aggregate. (As per IS 2083 Part 4) IS Code for Fineness Modulus of Coarse Aggregates: IS : 383 -1970. Sample Preparation: Take the aggregates sample of exact 1kg by weighing it.
اقرأ أكثر
As per IS∶383 (1970), the maximum limit of aggregate crushing …
Hence, As per IS:383 (1970), the maximum limit of aggregate crushing value for aggregates used in concrete other than wearing surfaces should be 45% by weight. The Bihar State Power …
اقرأ أكثر
Properties of Aggregates and its Values for use in Construction
Bulk density refers to the weight of the aggregate per unit volume, while specific gravity is the ratio of the density of the aggregate to the density of water. ... Crushing value: 30: 45: Impact value: 30: 45: Abrasion value (Los Angeles) 30: 50: ... (Clause 3.2.1 of IS: 383 – 1970. Deleterious Substances: Fine Aggregates: Coarse Aggregates ...
اقرأ أكثر
Indian Standard
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
اقرأ أكثر
PRODUCT MANUAL FOR COARSE AND FINE …
PM/ IS 383/ 2/ MAY 2020 5 3 Aggregate crushing - Steel cylinder [As per clause 2.2.(a) and Fig 1 of value/Ten Percent Fines IS 2386(Part 1) : 1963] Value - Metal tamping rod (Clause 5.4.1) - Weighing balance - IS sieves -12.5 mm, 10 mm & 2.36 mm - Compression testing machine - Cylindrical metal measures of 15.0 cm and 7.5 cm dia.
اقرأ أكثر
As per IS 383, code of specifications, the desirable limit for crushing
1. A high aggregate impact value indicates strong aggregates. 2. A low aggregate crushing value indicates high crushing strength of aggregates. 3. Aggregates having elongation index values greater than 15 are generally considered suitable for pavement construction. 4. Flakiness index of aggregates should not be less than 25 for use in road ...
اقرأ أكثر
Aggregates MCQ [Free PDF]
As per IS 383 (1970), the passing percentage of fine aggregates under Zone IV from an IS 600 microns sieve is _____. 15-34%; 8-30%; 80-; ... Aggregate crushing value; Answer (Detailed Solution Below) Option 1 : Aggregate abrasion value. Aggregates Question 10 Detailed Solution
اقرأ أكثر
7 Different Types of Tests on Aggregates (Coarse)
In practice, a series of standardized tests are conducted to evaluate the suitability of aggregates for specific applications. Gradation analysis is performed to ensure proper particle size distribution, with typical specifications requiring aggregates to fall within specified grading limits. Specific gravity and absorption tests determin…
اقرأ أكثر
As per IS∶383 (1970), the maximum limit of aggregate crushing …
Explanation: Aggregate Crushing Value (ACV) Type of surface Crushing Value Base Course Less than 45% Wearing Course Less than 30% Hence, As per IS:383 (1970), the maximum limit of …
اقرأ أكثر
Impact Test on Aggregate
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. ... As per IS 283-1970 Aggregates Impact Value is defined as the ratio of weight of fines formed to weight of total sample ...
اقرأ أكثر
Full text of "IS 383: Specification for Coarse and Fine Aggregates …
A- 1.2 Subject to prior agreement, the supplier shall furnish such of the following additional information, when required by the purchaser: a) Specific gravity, b) Bulk density, 12 IS 1 383. 1970 c) Moisture content, d) Absorption value, e ) Aggregate crushing value or aggregate impact value, f) Abrasion value, g) Flakiness-index, h) Elongation ...
اقرأ أكثر
ctii*ila fuQ: cr
This standard was first published in 1952 and subsequently revised in 1963 and 1970. This revision has been ... the requirements for crushing value, impact value and abrasion value have been classified under a common ... IS 383 : 2016 3.3 All.in-Aggregate --l'v1aterial composed of fine aggregate and coarse aggregate. 4 CLASSIFICATION
اقرأ أكثر
Determination of Aggregate Crushing value
This method of test covers the procedure for determining the aggregate crushing value of coarse aggregate. Reference : IS : 2386 ( Part IV) – 1963, IS: 383-1970
اقرأ أكثر
PRODUCT MANUAL FOR COARSE AND FINE …
IS 383:2016 covers Coarse and Fine Aggregate for Concrete which are categorized as under: a) Aggregates are mainly categorized into following types based on sizes as below : i) Fine …
اقرأ أكثر
Characteristics of Aggregates
Aggregate Crushing Value (ACV): Indicates the ability of the aggregate to resist crushing under a compressive load. A maximum crushing value of 45% is recommended for …
اقرأ أكثر
Gradation of Coarse Aggregate by Sieve Analysis
AIM OF THE EXPERIMENT: To determine the gradation of coarse aggregate by sieve analysis. CODE OF REFERENCE: IS 383 (1970): Specification of coarse aggregate and fine aggregate from natural sources for concrete [CED 2: Cement and Concrete] APPARATUS USED: Weight pan. IS Sieve of sizes – 40 mm, 20 mm, 10 mm, 4.75 mm. Round pans to fit sieve ...
اقرأ أكثر
As per IS∶383 (1970), the maximum limit of aggregate crushing value …
Explanation: Aggregate Crushing Value (ACV) Type of surface Crushing Value Base Course Less than 45% Wearing Course Less than 30% Hence, As per IS:383 (1970), the maximum limit of aggregate crushing value for aggregates used in concrete other than wearing surfaces should be …
اقرأ أكثر
Comparison of Blast Furnace Slag and Crushed stone as an …
this study as per IS: 383 -1970 (Reaffirmed 1997). Table -3: Physical properties of coarse aggregate S. No. Properties Test Values Range as per code IS: 383-1970 1. Aggregate Impact Value 14.40% Not more than 45% 2. Aggregate Abrasion Value 18.03% Not more than 50% 3. Aggregate Crushing Value 17.25% Not more than 45% 4.
اقرأ أكثر
PREDICTION OF AGGREGATE IMPACT VALUES AND …
The aggregate crushing value test is normally carried out on ... According to IS 383-1970 ((BIS), 1970), the impact value of aggregates is defined as the ratio of the weight
اقرأ أكثر