Specification for Coarse and Fine Aggregates From Natural Sources For Concrete
IS 383 (1970) specifies the requirements for coarse and fine aggregates obtained from natural sources for use in concrete. It defines quality parameters such as grading, particle shape, deleterious materials limits, mechanical properties, and soundness to ensure aggregates contribute to durable and strong concrete. This standard is essential for engineers, contractors, and suppliers involved in concrete mix design and construction to select and verify aggregates that meet performance and durability criteria.
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1970Edition
Cement Concrete Aggregates and RCCCategory
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Overview
What This Standard Covers
IS 383 (1970) specifies the requirements for coarse and fine aggregates obtained from natural sources for use in concrete. It defines quality parameters such as grading, particle shape, deleterious materials limits, mechanical properties, and soundness to ensure aggregates contribute to durable and strong concrete. This standard is essential for engineers, contractors, and suppliers involved in concrete mix design and construction to select and verify aggregates that meet performance and durability criteria.
Audience
Who Uses This Standard
Civil Engineers
Structural Engineers
Concrete Technologists
Construction Contractors
Quality Control Inspectors
Aggregate Suppliers
Materials Testing Laboratories
Contents
Key Topics Covered
✓Quality requirements for natural aggregates
✓Limits on deleterious materials in aggregates
✓Grading and size specifications for coarse and fine aggregates
✓Mechanical properties including crushing and impact values
✓Aggregate abrasion value limits
✓Soundness testing for frost resistance
✓Sampling and testing procedures
✓Particle shape and surface texture considerations
✓Handling of alkali-reactive aggregates
✓Agreement between purchaser and supplier on special requirements
✓Use of IS sieves and perforated plates for size determination
✓Documentation and certification requirements
Structure
Table of Contents
1Scope▼
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2Definitions and Terminology▼
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3Quality of Aggregates▼
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4Size and Grading of Aggregates▼
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5Sampling and Testing▼
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6Supplier and Purchaser Responsibilities▼
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7Additional Requirements and Agreements▼
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Appendix ATechnical Information to be Supplied by Supplier▼
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Appendix BList of Referenced Standards▼
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Frequently Asked
Popular Questions About IS 383
?What are the maximum allowable limits for deleterious materials in aggregates according to IS 383?▼
Detailed answer not available.
?How does IS 383 specify the grading and nominal sizes for coarse and fine aggregates?▼
Detailed answer not available.
?What mechanical property tests are required for aggregates under this standard?▼
Detailed answer not available.
?How should aggregates be tested for soundness and resistance to frost action?▼
Detailed answer not available.
?What documentation must suppliers provide to certify compliance with IS 383?▼
Detailed answer not available.
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