JAWAHARLAL NEHRU  TECHNOLOGICAL  UNIVERSITY  HYDERABAD
III Year B.Tech. CE - I Sem      L   T/P/D   C
4   -/-/-   4
(A50116) CONCRETE TECHNOLOGY

---

UNIT - I:

Cement: Protland cement- chemical compostion- Hydration of cement- Structure of hydrate cement- Test on physical prorerites- Different grades of cement.

Admixtures: Types of admixtures- mineral and chemical admixtures- properites- dosages- effects- usage.

Aggregates: Classification of aggregate- Particle shape & texture- Bond, Strength & other mechanical properites of aggregate- Specific gravity, Bulk density, Porosity, adsorption & moisture content of aggregate- Bluking of sand- Deleterious Substance of aggregate- Soundness of aggregate- Alkail Aggregate recation- Thermal properites- Sieve analysis- Fineness modulus- Grading curves- Grading of fine & coarse Aggregates- Gap graded aggregate- Maximum aggregate size.

UNIT - II:

Fresh Concrete: Workability- Factors affecting workability- Measurment of workability of tests- Setting times of concrete- Effect of time and temperature on workability- Segregation & bleeding- Mixing and vibration of concrete- Steps in minufacture of concrete- Quality of mixing water.

UNIT - III:

Hardened Concrete: Water/ Cement ratio- Abram's Law- Gelspaoe ratio- Nature of strength of concrete- Maturity concept- Strength in tension & compression- Factors affecting strength- Relation between compression & tensile strength- Curing.

Testing of Hardened Concrete: Compression tests- Tension tests- Factors affecting strength- Flexure tests- Splitting tests- Pull- out tests, Non- destructive testing methods- codal provisions for NDT.

ELASTICITY, CREEP & SHRINKAGE- Modulus of elasticity- Dynamic modulcus of elasticity- Posisson's ratio- Creep of concrete- Factors influencing creep- Relation between creep & time- Nature of creep- Effects of creep- Shrinkage - types of shrinkage.

UNIT - IV:

Mix Desgin: Factors in the choice of mix proprotions- Durability of concrete- Quality Control of concrete- Statistical Quality control- Acceptance criteria- Proprotioning of concrete mix by normal pumpable concretes by- BIS method of mix desgin. 

UNIT - V:

Special Concretes: Light weight concrete- Light weight aggregate concrete- Cellular concrete- No-fines concrete- Fibre reinforced concrete- Polymer concrete- Types of Polymer concrete- Self compacting concrete.

TEXT BOOKS:

1. Properties of Concrete by A.M.Naville - Low priced Edition - 4th edition.                                        
2. Concrete Technology by M.S.Shetty. - S.Chand & Co.

REFERENCES BOOKS:

1. Concrete Technology by Job Thomas, Cengage Learning.
2. Concrete Technology by M.L. Gambir. - Tata Mc.Graw Hill Publishers, New Delhi.
3. Concrete Technology by A.R. Santha Kumar, Oxford university Press New Delhi.
4. Concrete: Micro structure, Properties and Materials - P.K.Metha and J.M.Monteiro, Mc-Graw Hill Publisher.