Concrete Technology

CE3403

CONCRETE TECHNOLOGY

COURSE OBJECTIVES:

• To study the properties of concrete making materials.

• To have better knowledge about the chemical and mineral admixtures in concrete.

• To familiarize with the IS method of mix design as per the latest code.

• To understand the fresh and hardened properties of concrete. To know the importance and applications of special concretes

UNIT I

CONSTITUENT ATERIALS

Cement-Different types-Chemical composition and Properties -Tests on cement-IS Specifications- Aggregates-Classification-Mechanical properties and tests as per BIS Grading requirements-Water- Quality of water for use in concrete.

UNIT II

CHEMICAL AND MINERAL ADMIXTURES

Accelerators-Retarders- Plasticisers- Super plasticizers- Water proofers - Mineral Admixtures like Fly Ash, Silica Fume, Ground Granulated Blast Furnace Slag and Metakaoline -Their effects on concrete properties

UNIT III

PROPORTIONING OF CONCRETE MIX

Principles of Mix Proportioning-Properties of concrete related to Mix Design-Physical properties of materials required for Mix Design - Design Mix and Nominal Mix-BIS Method of Mix Design - Mix Design Examples

UNIT IV

FRESH AND HARDENED PROPERTIES OF CONCRETE

Workability-Tests for workability of concrete-Slump Test and Compacting factor Test-Segregation and Bleeding-Determination of Compressive and Flexural strength as per BIS - Properties of Hardened concrete- Stress-strain curve for concrete-Determination of Modulus of elasticity.

UNIT V

SPECIAL CONCRETES

Light weight concretes - High strength concrete - Fibre reinforced concrete - Ferrocement - Ready mix concrete - SIFCON- Shotcrete - Polymer concrete - High performance concrete- self compacting concrete - Geopolymer Concrete.

TOTAL: 45 PERIODS

COURSE OUTCOMES:

At the end of the course the student will be able to

CO1 Understand the requirements of cement, aggregates and water for concrete

CO2 Select suitable admixtures for enhancing the properties of concrete

CO3 Design concrete mixes as per IS method of mix design GE

CO4 Determine the properties of concrete at fresh and hardened state. CO5 Know the importance of special concretes for specific requirements.

TEXTBOOKS:

1. Gupta.B.L., Amit Gupta, "Concrete Technology", Jain Book Agency, 2010.

2. Shetty,M.S, "Concrete Technology", S.Chand and Company Ltd, New Delhi, 2003

REFERENCES:

1. Neville, A.M; "Properties of Concrete", Pitman Publishing Limited, London, 1995

2. Gambhir.M.L.Concrete Technology, Fifth Edition, McGraw Hill Education,2017.

3. Job Thomas., Concrete Technology, Cencage learning India Private Ltd, New Delhi, 2015.

4. IS10262-2019 Recommended Guidelines for Concrete Mix Design, Bureau of Indian Standards, New Delhii.