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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
Civil Engineering
CLICK HERE TO DOWNLOAD PREVIOUS YEAR PAPERS OF 130605 Concrete technology OF GTU CIVIL ENGINEERING
CLICK HERE TO DOWNLOAD PREVIOUS YEAR PAPERS OF 130605 Concrete technology OF GTU CIVIL ENGINEERING
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