Precast and Pre-Stressed Concrete detailed Syllabus for Civil & Rural Engineering (CR), I – scheme has been taken from the MSBTE official website and presented for the diploma students. For Subject Code, Subject Name, Lectures, Tutorial, Practical/Drawing, Credits, Theory (Max & Min) Marks, Practical (Max & Min) Marks, Total Marks, and other information, do visit full semester subjects post given below.
For all the other Civil & Rural Engineering CR syllabus for 5th Sem, do visit Diploma in Civil & Rural Engineering 5th Sem I – Scheme. For all the Civil & Rural Engineering Elective-I subjects refer to Civil & Rural Engineering Elective-I Scheme. The detail syllabus for precast and pre-stressed concrete is as follows.
Rationale:
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Competency:
The aim of this course is to help the student to attain the following industry identified competency through various teaching learning experiences:
- Execute effectively construction work involving precast and pre-stressed concrete
Course Outcomes:
The theory, practical experiences and relevant soft skills associated with this course are to be taught and implemented, so that the student will be able to demonstrate the following industry oriented COs associated with the above mentioned competency:
- Select the relevant precast concrete element for a given type of construction.
- Use the relevant components for the prefabricated structure .
- Justify the relevance of pre-stressed element in a given situation.
- Select the relevant methods / systems for given construction work.
- Evaluate losses in a given pre-stressed concrete construction.
- Propose a suitable cable profile for the given pre-stressed concrete member.
Suggested Exercises:
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Instruments Required:
The major equipments with broad specifications mentioned here will usher in uniformity in conduct of experiments, as well as aid to procure equipments by administrators.
Equipment Name with Broad Specifications
- Hot air electric oven having temperature range 5U C to 250u C, removable 2-3 stainless steel shelves, thermostat, digital temp controller, with mineral wool insulation, door walls with silicon rubber gasket and lock
- Digital display balance of capacity 10 kg having LC 10 gm and of capacity 30 kg having LC 10 gm
- Test frame for load test for manhole covers
- Universal Testing Machine: Capacity – 1000 kN. Type: Mechanical type / digital, electrically Operated with accessories such as
- Tensile test attachment for wire specimen,
- Compression test attachment,
- Transverse test attachment with bending Punch, along with service tools and operation manual
- Compression Testing Machine: Digital display manual control compression testing; machine; Max. Capacity (KN): 2000 ; Measuring range: 4%-100% of FS; Max. distance between two platen (mm): 330; Compression plate size (mm): 220×220; Max. piston stroke (mm): 0-20; Max. piston speed (mm/min): Approx. 30; Column clearance 300×200; Oil pump motor power (KW): 1 5
Unit 1
Precast concrete Elements
Total Teaching Hours – 08
Distribution of Theory Marks
R Level – 02
U Level – 04
A Level – 06
Total Marks – 12
Unit Outcomes (UOs) (in cognitive domain)
- Explain the concepts of precast concrete in the given situation.
- Select the material of relevant specifications for the given pre-cast elements.
- Describe the design considerations and IS provisions for given precast element.
- Classify the joints of the given pre-cast elements.
- Recommend the precast element in the given situation on the basis of different test carried on it.
- Justify the need of different tests to decide the relevance of precast element in the given situation.
Topics and Sub-topics
- Advantages and disadvantages of precast concrete members,
- Materials used- PCC, RCC, PSC, SCC, Ferro-cement, Aerated and Foam concrete
- Non-structural Precast elements – Paver blocks, Fencing Poles, Transmission Poles, Manhole Covers, Hollow and Solid Blocks, Door & Window frames, curb stones.
- Structural Precast elements – tunnel linings, Canal lining, Box culvert, bridge panels, foundation, sheet piles
- Materials required, IS specifications, casting tolerances, fabricating systems, design considerations, joints, testing, storage and transportation, equipment; for elements mentioned above
- Testing of Precast components
Unit 2
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Unit 3
Introduction to Prestressed Concrete
Total Teaching Hours – 06
Distribution of Theory Marks
R Level – 02
U Level – 02
A Level – 04
Total Marks – 08
Unit Outcomes (UOs) (in cognitive domain)
- Explain the principle of pre-stressing the given element.
- Describe the applications of prestressed concrete elements in the given situation.
- Distinguish the PSC with other construction materials in given situation.
- Justify the need of high strength material for PSC.
- Select relevant type of pre-stressing steel for given member.
Topics and Sub-topics
- Principle of pre-stressed concrete and basic terminology.
- Applications of pre-stressed concrete
- Advantages and disadvantages of prestressed concrete
- Materials used and their properties, Necessity of high-grade materials
- Types of Pre-stressing steel -Wire, Cable, tendon, Merits-demerits and applications
Unit 4
Methods and systems of prestressing
Total Teaching Hours – 06
Distribution of Theory Marks
R Level – 00
U Level – 04
A Level – 04
Total Marks – 08
Unit Outcomes (UOs) (in cognitive domain)
- Select the relevant method of pre-stressing for given structural element.
- Illustrate the merits and demerits for given method/system of prestressing.
- Explain Hoyer system of pre-tensioning with diagram.
- Explain relevant system of post- tensioning based on the given criteria with diagram.
Topics and Sub-topics
- Methods of pre-stressing – Internal and External pre-stressing, Pre and Post tensioning- applications, merits and demerits
- Systems for pre tensioning – process, applications, merits and demerits – Hoyer system
- Systems for post-tensioning – process, applications, merits and demerits -Freyssinet system, Magnel Blaton system, Gifford Udall system.
- Cover requirement for tendons
Unit 5
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Unit 6
Analysis and design of Prestressed rectangular beam section
Total Teaching Hours – 10
Distribution of Theory Marks
R Level – 02
U Level – 04
A Level – 08
Total Marks – 14
Unit Outcomes (UOs) (in cognitive domain)
- Explain the assumptions made in the analysis of pre-stressed concrete beams
- Outline the cable profiles in the given situation.
- Predict the effect of the given cable profile on fiber stresses.
- Calculate maximum stresses induced in given beam
- Describe the steps adopted in the design of given pre-stressed beam element.
Topics and Sub-topics
- Basic assumptions in analysis of prestressed concrete beams.
- Cable Profile in simply supported rectangular beam section – concentric, eccentric straight and parabolic,
- Effect of cable profile on maximum stresses at mid span and at support.
- Numerical problems on determination of maximum stresses at mid spans with linear (concentric and eccentric) cable profiles only.
- Simple steps involved in Design of simply supported rectangular beam section (No numerical Problems)
Note: To attain the COs and competency, above listed UOs need to be undertaken to achieve the Application Level and above of Bloom s Cognitive Domain Taxonomy.
Note:
Legends: R=Remember, U=Understand, A=Apply and above (Blooms Revised taxonomy)
Note: This specification table provides general guidelines to assist student for their learning and to teachers to teach and assess students with respect to attainment of UOs. The actual distribution of marks at different taxonomy levels (of R, U and A) in the question paper may vary from above table.
Suggested Student Activities:
Other than the classroom and laboratory learning, following are the suggested student-related co-curricular activities which can be undertaken to accelerate the attainment of the various outcomes in this course: Students should conduct following activities in group and prepare reports of about 5 pages for each activity, also collect/record physical evidences for their (students) portfolio which will be useful for their placement interviews:
- Undertake micro-projects.
- Prepare journals based on practical performed in laboratory.
- Poster presentation on any one topic.
- Prepare short film related to manufacturing process of precast units.
- Prepare short film related to pre-stressing process adopted on site.
- Market survey specific to properties of various type of materials used in Precast and Pre-stressed concrete.
Suggested Special Instructional Strategies:
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Suggested Micro-Projects
Only one micro-project is planned to be undertaken by a student assigned to him/her in the beginning of the semester. S/he ought to submit it by the end of the semester to develop the industry oriented COs. Each micro-project should encompass two or more COs which are in fact, an integration of PrOs, UOs and ADOs. The micro-project could be industry application based, internet-based, workshop-based, laboratory-based or field-based. Each student will have to maintain dated work diary consisting of individual contribution in the project work and give a seminar presentation of it before submission. The total duration of the microproject should not be less than 16 (sixteen) student engagement hours during the course.
In the first four semesters, the micro-project could be group-based. However, in higher semesters, it should be individually undertaken to build up the skill and confidence in every student to become problem solver so that s/he contributes to the projects of the industry. A suggestive list is given here. Similar micro-projects could be added by the concerned faculty:
- Collect pictorial information about pre-stressing jobs
- Collect data of pre-stressed components manufactured in your vicinity.
- Write a detailed report of visit to any one prefabricated unit.
- Collect data for materials required for precast elements, with their suppliers, sale price etc.
- Prepare a power point presentation on systems of pre-stressing
- Present a seminar on testing of precast units.
- Collect samples of at least five precast elements from your area.
- Prepare a report on comparison of cast in situ and precast elements with respect to time required, quality and cost.
Suggested Learning Resources:
- Pre Cast and Pre Stress Technology: Process, Method and Future Technology Marzuki, Nor Ashikin Createspace Independent Pub ISBN 10: 1499353391 ISBN 13: 978-1499353396
- Handbook on Precast Concrete buildings — Indian Concrete Institute
- Precast Concrete Structures Elliott, Kim S. CRC Press, New York, 2011 ISBN- 13: 9781498723992
- Design Of Pre-stressed Concrete Structures Lin, T.Y. John Wiley and Sons, New York, 2014 ISBN- 8: 0471018988
- Pre-stressed Concrete Krishna Raju, N. Tata McGraw Hill, New Delhi, ‘2012 ISBN 10: 1259003361 ISBN 13: 9781259003363
- Pre-stressed Concrete Structures Nagarajan, Pravin Pearson Education India ISBN 9332517614, 9789332517615
- IS 12592: 2002Precast Concrete Manhole Cover and Frame BIS, New Delhi BIS, New Delhi
- IS 15658: Precast concrete blocks for paving – Code of Practice BIS, New Delhi BIS, New Delhi
- IS 15916:2011 Building Design and Erection Using Prefabricated Concrete -Code of Practice BIS, New Delhi BIS, New Delhi
- IS 15917: 2011 Building Design and Erection Using Mixed/Composite Construction – Code of Practice BIS, New Delhi BIS, New Delhi
- IS 458 – 2003 Precast Concrete Pipes (with and without reinforcement) Specification BIS, New Delhi BIS, New Delhi
Software/Learning Websites:
For the complete Syllabus, results, class timetable, and many other features kindly download the iStudy App
It is a lightweight, easy to use, no images, and no pdfs platform to make students’s lives easier..
For detail Syllabus of all other subjects of Civil & Rural Engineering, 5th Sem, scheme I -, visit Civil & Rural Engineering 5th Sem Syllabus for I – Scheme.
For all Civil & Rural Engineering results, visit MSBTE Civil & Rural Engineering all semester results.