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Friday 27 December 2013

Lecture notes on Prestressed concrete

Lecture notes on Prestressed concrete :

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Syllabus
UNIT I INTRODUCTION – THEORY AND BEHAVIOUR 9
Basic concepts – Advantages – Materials required – Systems and methods of prestressing –
Analysis of sections – Stress concept – Strength concept – Load balancing concept – Effect of
loading on the tensile stresses in tendons – Effect of tendon profile on deflections – Factors
influencing deflections – Calculation of deflections – Short term and long term deflections -
Losses of prestress – Estimation of crack width

UNIT II DESIGN CONCEPTS 9
Flexural strength – Simplified procedures as per codes – strain compatibility method – Basic
concepts in selection of cross section for bending – stress distribution in end block, Design of
anchorage zone reinforcement – Limit state design criteria – Partial prestressing – Applications.

UNIT III CIRCULAR PRESTRESSING 9
Design of prestressed concrete tanks – Pipes

UNIT IV COMPOSITE CONSTRUCTION 9
Analysis for stresses – Estimate for deflections – Flexural and shear strength of composite
members

UNIT V PRE-STRESSED CONCRETE BRIDGES 9
General aspects – pretensioned prestressed bridge decks – Post tensioned prestressed bridge
decks – Principles of design only.

TOTAL: 45 PERIODS
TEXT BOOKS
1. Krishna Raju N., Prestressed concrete, Tata McGraw Hill Company, New Delhi 1998
2. Mallic S.K. and Gupta A.P., Prestressed concrete, Oxford and IBH publishing Co. Pvt. Ltd.
1997.
3. Rajagopalan, N, “Prestressed Concrete”, Alpha Science, 2002
REFERENCES
1. Ramaswamy G.S., Modern prestressed concrete design, Arnold Heinimen, New Delhi, 1990
2. Lin T.Y. Design of prestressed concrete structures, Asia Publishing House, Bombay 1995.
3. David A.Sheppard, William R. and Philips, Plant Cast precast and prestressed concrete – A
design guide, McGraw Hill, New Delhi 1992.


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LECTURE NOTES ON AIR AND NOISE POLLUTION

LECTURE NOTES ON AIR AND NOISE POLLUTION

1. Describe the structure of the atmosphere.
2. List the sources of the different types pollutants in the air.
3. Differentiate between primary and secondary pollutants.
4. Describe the action of greenhouse gasses in the green house effect.


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Tags : Environmental engineering, AIR AND NOISE POLLUTION, civil engineering