Prestressed Concrete detailed Syllabus for Civil Engineering (CIVIL), R18 regulation has been taken from the JNTUH official website and presented for the students affiliated to JNTUH course structure. For Course Code, Subject Names, Theory Lectures, Tutorial, Practical/Drawing, Credits, and other information do visit full semester subjects post given below. The Syllabus PDF files can also be downloaded from the universities official website.
For all the other CIVIL 3rd Year 2nd Sem Syllabus for B.Tech R18 Regulation JNTUH, visit Civil Engineering 3rd Year 2nd Sem R18 Scheme.
For all the (Professional Elective-II) subjects refer to Professional Elective-II Scheme. The detail syllabus for prestressed concrete is as follows.
Pre-requisite:
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Course Objectives:
The objectives of the course are to
- Understand the principles and necessity of prestressed concrete structures.
- Know different techniques of prestressing.
- Get the knowledge on various losses of prestress.
- Understand Analysis and design of prestressed concrete members.
Course Outcomes:
After the completion of the course student should be able to
- Acquire the knowledge of evolution of process of prestressing.
- Acquire the knowledge of various prestressing techniques.
- Develop skills in analysis design of prestressed structural elements as per the IS codal provisions
Unit I
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Unit II
Methods and Systems of prestressing: Pretensioning and Posttensioning methods and systems of prestressing like Hoyer system, Magnel Blaton system, Freyssinet system and Gifford- Udall SystemLee McCall system.Losses of Prestress: Loss of prestress in pretensioned and posttesnioned members due to various causes like elastic shortage of concrete, shrinkage of concrete, creep of concrete, relaxation of stress in steel, slip in anchorage, frictional losses.
Unit III
Flexure: Analysis of sections for flexure- beams prestressed with straight, concentric, eccentric, bent and parabolic tendons- stress diagrams- Elastic design of PSC slabs and beams of rectangular and I sections- Kern line – Cable profile and cable layout.
Shear: General Considerations- Principal tension and compression- Improving shear resistance of concrete by horizontal and vertical prestressing and by using inclined or parabolic cables- Analysis of rectangular and I beams for shear – Design of shear reinforcements- IS Code provisions.
Unit IV
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Unit V
Composite Beams: Different Types- Propped and Unpropped- stress distribution- Differential shrinkage- Analysis of composite beams- General design considerations.
Deflections: Importance of control of deflections- Factors influencing deflections – Short term deflections of uncracked beams- prediction of long time deflections- IS code requirements.
Reference Books:
- Prestressed concrete by Krishna Raju, Tata Mc Graw Hill Book – Co. New Delhi.
- Design of prestress concrete structures by T.Y. Lin and Burn, John Wiley, New York.
- Prestressed concrete by S. Ramamrutham Dhanpat Rai and Sons, Delhi.
- Prestressed Concrete by N. Rajagopalan Narosa Publishing House
For detail Syllabus of all other subjects of B.Tech 3rd Year 2nd Sem Civil Engineering, visit CIVIL 3rd Year 2nd Sem Syllabus Subjects.
For all B.Tech results, visit JNTUH B.Tech all years, and semester results from direct links.