Book Details

Concrete Technology (JNTU-H)

Concrete Technology (JNTU-H)

Published by SIA Publishers and Distributors (P) Ltd.

Course Code : B.Tech III-I (CE) R18
ISBN : 9700112234034
University : Jawaharlal Nehru Technological University, Hyderabad (JNTUH)
Regulation : 2021
Categories : Engineering
Format : ico_bookPDF (DRM Protected)
Type :


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Description :



CEMENT Portland cement – Chemical composition – Hydration, Setting of cement, Structure of hydrate cement – Test for physical properties – Different grades of cements – Admixtures – Types of Admixtures – Mineral and chemical admixtures.


AGGREGATES Classification of aggregate – Particle shape and texture – Bond, Strength and other mechanical properties of aggregates – Specific gravity, Bulk density, Porosity, Adsorption and moisture content of aggregate – Bulking of sand – Deleterious substance in aggregate – Soundness of aggregate – Alkali aggregate reaction – Thermal properties – Sieve analysis – Fineness modulus – Grading of fine, Manufactured sand and coarse aggregates – Gap graded aggregate – Maximum aggregate size – Properties recycled aggregates.


FRESH CONCRETE Workability – Factors affecting workability – Measurement of workability by different tests, Setting times of concrete, Effect of time and temperature on workability – Segregation and bleeding – Mixing, vibration and Revibration of concrete, Steps in manufacture of concrete – Quality of mixing water.


HARDENED CONCRETE Water/cement ratio – Abram’s Law – Gelspace ratio – Gain of strength of concrete – Maturity concept – Strength in tension and compression – Factors affecting strength – Relation between compression and tensile strength – Curing. Testing of Hardened Concrete: Compression tests – Tension tests – Factors affecting strength – Flexure tests – Splitting tests – Pull-out test, Non-destructive testing methods – Codal provisions for NDT. Elasticity, Creep and Shrinkage : Modulus of elasticity – Dynamic modulus of elasticity – Poisson’s ratio – Creep of concrete – Factors influencing creep – Relation between creep and time – Nature of creep – Effects of creep – Shrinkage – Types of shrinkage.


MIX DESIGN Factors in the choice of mix proportions – Durability of concrete – Quality control of concrete – Statistical methods – Acceptance criteria – Proportioning of concrete mixes by various methods – BIS method of Design Special Concretes : Introduction to Light weight concrete – Cellular concrete – No-fines concrete, High density concrete, Fibre reinforced concrete – Polymer concrete – High performance concrete – Self Compacting concrete

Note : Concrete Technology, B.Tech III-Year I-Sem (CE) R18, Professional Elective-I, JNTU-Hyderabad, Latest 2020-21 Edition

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