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130605 Concrete technology GTU btech civil NOTES, papers & syllabus free download - admin - 05-29-2015

GUJARAT TECHNOLOGICAL UNIVERSITY
Subject Code 130605
Subject Name Concrete Technology
B.E   Semester: 3



Sr.No Course contents

1 General:
Historical background, composition of concrete, general note on strength
mechanism, current practice and future trends.
 
2 Ingredients of Concrete

a. Cement- Chemical composition, hydration, heat of hydration,
hydrated structure, various types of cement, testing of cement as per
Indian standard.
b.  Aggregates-Function in concrete, classification, effect of geometry &
texture, strength, mechanical properties, moisture content, water
absorption, bulking of sand, deleterious substances, sieve analysis,
various grading and grading requirements, sampling & testing as per
Indian Standards.
c. Water- General Requirements & limiting values of impurities.
d. Admixtures- Additives and admixtures, types, need and benefits  
Mineral admixture - Fly ash, silica fume, blast furnace slag, and other
pozzolanic materials.
Chemical admixtures - Accelerator, retarder, water reducing
elements, plasticizer and super-plasticizer, their functions and
dosage.


3 Fresh concrete :
Methods of mixing, transporting and placing of concrete. Workability –
Definition and need, factors affecting workability, various tests as per IS ad
ASTM. Segregation and bleeding, stiffening, re-tempering. Curing:
necessity and various methods, microcracking.

4 Hardened concrete:

Compressive and tensile strength and their relationship, various tests as
per IS and ASTM. Factors affecting strength – water cement ratio, gel
space ratio, aggregate cement ratio, properties of ingredients, effect of age,
maturity, aggregate cement-paste interface, various finishes of concrete.
Introduction to aspects of elasticity, shrinkage and creep. Tests for strength
of concrete: Destructive, semi destructive and non- destructive tests with
their limitations, test methods as per IS and ASTM.
 
5 Durability and permeability of concrete:

Definitions, causes, carbonation, cracking
 
 
6 Concrete in aggressive environment:

Alkali – aggregate reaction, sulphate attack, chloride attack, acid attack,
effect of sea water, special coating for water proofing, sulphate chloride and
acid attack, concrete for hot liquids.
 
7 Special Concrete:

Review of behavior and characteristics of high strength concrete, high
performance concrete, fiber reinforced concrete, mass concrete,  light
weight and heavy weight concrete, Precast concrete.
 
8 Special concreting techniques:

Pumped concrete, shotcrete, underwater concrete, pre-placed concrete,
vacuum dewatered concrete, hot and cold weather concreting, Ready
mixed concrete.   
 
9 Concrete mix design:

Principles of mix proportioning, probabilistic parameters, factors governing
selection of mix. Road note - 4, DOE, ACI and IS method of concrete mix
design, Variability of test results, acceptance criteria, various IS code
provisions.
 
10 Repair and rehabilitation:

Distress in structure – causes and precautions, damage assessment of
structural elements, repairing techniques and repairing materials.
 
   

         Term Work:


(A) Term work shall consist of tests on cement and aggregate, fresh concrete and
hardened concrete. It includes destructive, partial destructive and non- destructive
tests.  
(B) Term work shall include report on topic assigned by respective lab in-charge.
© Term work shall include field visit and students will have to submit a report on it.
(D) Oral/Practical marks include viva-voce on practical performed and submitted
reports.
 
Reference Books:

1. A.M.Neville ; Properties of Concrete , Pearson Education
2. P Kumar Mehta, Monteiro;  Concrete Technology, Indian Concrete Institute
3. A R Santhakumar; Concrete Technology , Oxford University Press
4. M S Shetty; Concrete Technology , S.Chand Publication New Delhi
5. M L Gambhir; Concrete Technology , Tata McGraw Hill