15CE31T: Engineering Mechanics and Strength of Materials Civil 3rd Sem Syllabus for Diploma DTE Karnataka C15 Scheme

Engineering Mechanics and Strength of Materials detail DTE Kar Diploma syllabus for Civil Engineering (General) (CE), C15 scheme is extracted from DTE Karnataka official website and presented for diploma students. The course code (15CE31T), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.

For all other civil 3rd sem syllabus for diploma c15 scheme dte karnataka you can visit Civil 3rd Sem Syllabus for Diploma C15 Scheme DTE Karnataka Subjects. The detail syllabus for engineering mechanics and strength of materials is as follows.

Pre-requisites:

Knowledge of basic Mathematics and Science.

Course Objectives:

The students shall be able to

1. Define and identify the differences among types of forces, stresses and strains.
2. Determine the geometrical properties of the structural sections and to analyze the effect of geometry on strength properties of structural elements.
3. Evaluate the response and behavior of various materials to forces, stresses and strains and to assess the properties of a material and identify its usage in structural elements.
4. Identify, formulate and solve engineering problems of structural elements subjected to flexure, shear.
5. Provide procedural knowledge to analyses of structural system, component of elements such as beams and columnssubjected to various load combinations with different boundary conditions.

Course Outcomes:

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UNIT

1. INTRODUCTION TO ENGINEERING MECHANICS

Force and characteristics of a force, Force system: – Definition, classification of force system according to plane and line of action, Composition of Forces: – Definition, Resultant force, moment of a force,Principle of transmissibility of forces,Law of moments
Simple Problems on forces.

2. SIMPLE STRESSES AND STRAINS

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3. GEOMETRICAL PROPERTIES OF SECTIONS

Centroid, centre of gravity, Concept of moment of inertia, Centre of gravity of plane areas such as rectangle, triangle, circle, semicircle and quarter circle. Parallel axis and perpendicular axis theorem, Radius of gyration & polar moment of inertia, problems on C.G of irregular sections, M.I of symmetrical and unsymmetrical sections (I, T, C, L-section) problems, 10

4. BENDING MOMENTS AND SHEAR FORCE

Types of beams -(simply supported, cantilever, fixed and continuous beams,)Types of loading- (Axial load, Transverse load,point load, uniformly distributed load, uniform varying load moment load) support reactions for determinate structures, End conditions, Concept of shear force and bending moment, sign convention. Relation between bending moment, shear force and rate of loading Shear force and bending moment diagrams for simply supported beams, overhanging beams and cantilever subjected to point loads, UDL, point of contra flexure. 10

5. THEORY OF SIMPLE BENDING

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6. SLOPE AND DEFLECTION OF BEAMS

Introduction – Definitions of slope, deflection – Slope and deflection using Moment area method for simply supported and cantilever, subjected to symmetrical point loads and UDL. 4

7. COLUMNS

Introduction – Short and long columns – Euler’s theory on columns -Effective length, slenderness ratio – radius of gyration, buckling load -Assumptions, Euler’s Buckling load for different end conditions -Limitations of Euler’s theory -and problems. 4

Course Delivery:

The course will be delivered through lectures and Power point presentations/ Video

SUGGESTED STUDENT ACTIVITIES

The topic should be related to the course in order to enhance the student’s knowledge, practical skill, lifelong learning, communication, and modern tool usage.

1. Drawing Shear force and Bending Moment diagrams on Graph Paper simply supported beam, Cantilever and Draw the load diagram (free body diagram) by knowing SFD (each 6 problems).
2. To determine the moments of inertia of the given irregular body, composite sections, built up sections.
3. In spread sheet finding centre of gravity; IZZ and IYY of I, L,T and channel sections
4. Using MS excel prepare the abstract sheet with given data and calculate moment of inertia using formula bar
5. Writing report on (any one)
1. Study on Deformation behavior of Simply Supported Beam, measurement of Young’s Modulus and Deflection of Beam.
2. Conduct a experiment calculating the tensile stress of Bamboo if used as a reinforcing material
3. Calculate the tensile stress induced in the hanging rod of ceiling fan and suggest an alternate material
4. Calculate the tensile stress induced in the rope made up of jute
5. Determine the rigidity modulus of the material of the suspension wire.
6. Determine the flexural strength of the given tile by conducting a bending test
7. Conduct a deflection test on wooden beam and determine the value of Young’s Modulus of wood.
8. Draw a graph load Vs deflection.
9. Conduct a compression test on the given wooden cube and find its ultimate strength parallel to its fibres
10. Maxwell’s Theorem of Reciprocal Deflection
11. Write material specifications for any two structural steels.
6. Visit the Institute’s Library / internet center and list the books/journals/conference proceedings, e-books and any other resources available on the topics suggested by the teacher. Prepare references consisting name of the author, title of the book/paper, publication and place of publication, volume No.s, page numbers and year of publication(any one). Some examples:
1. Tensometer,
2. Strain hardening
3. Punching shear.
4. Comparison of Compressive strength of Bricks, Blocks and Concrete.
5. Tension test on Mild steel and HYSD bars.
6. Compression test of Mild Steel, Cast iron and Wood.
7. Bending Test on Wood and Mild steel.
8. Plastic deflection
9. Compound stress
10. Torsion
11. Thick and thin cylinders
12. Glass fibres
13. Carbon fibres
14. Hoop stress
15. Varignons theorem
16. Euler-Bernoulli beam theory
17. Trusses
18. Statically indeterminate structures
19. Prismatic beam

NOTE:

1. Students should select any one of the above or other topics relevant to the subject approved by the concerned faculty, individually or in a group of 3 to
2. Students should mandatorily submit a written report and make a presentation on the topic. The task should not be repeated among students. Report will be evaluated by the faculty. Weightage for 5 marks Internal Assessment shall be as follows: (Unsatisfactory 1, Developing 2, Satisfactory 3, Good4, Exemplary5)
3. Reports should be made available along with bluebooks to IA verification officer

Model Question Paper:

for CIE(Tests)

1. List different classification of force system
2. Differentiate between moment and couple?
3. Define: modulus of resilience. A ceiling fan hanging over a rod of 1.50 m long and outer diameter 20mm and thickness 2mm is subjected to an axial pull of 20 KN. If the modulus of elasticity of the material of the rod is 2 x 105 N/mm2, Determine
1. Stress
2. Strain
3. Elongation of the rod.

OR
Define: Proof resilience. Determine the total elongation of the component, if its modulus of Elasticity is 200GPa
Follow the diagram from the pdf.

4. Write an expression between modulus of elasticity and modulus of rigidity ?The ultimate stress for a hollow steel column which carries an axial load of 2MN is 500 N/mm2 .If the external diameter of the column is 250mm, determine the internal diameter Take the factor of safety as 2

Text Books:

1. Ramamurtham. S., Strength of Materials, 14th Edition, Dhanpat Rai Publications, 2011
2. Khurmi R S, Applied Mechanics and Strength of Materials , 5 Edition, S.Chand and company
3. S SBhavikatti, Strength of Materials.
4. Fundamentals of strength of materials by P N Chandramouli PHI New delhi
5. Basavarajaiah and Mahadevappa, Strength of Materials, CBS Publishers, New Delhi.
6. Ferdinand Singer, Strength of Materials, Harper and Row Publications
7. Srinath L S, Prakash Desayi,.Srinivasa Murthy N, S.AnanthaRamu, Strength of Materials, MacMillan, India, New Delhi.

Reference Books:

1. Madan Mohan das, Mimi das Saikia, Bhargab Mohan das – Basic Engineering Mechanics And Strength of Materials- PHI Learning private limited, New Delhi.
2. Popov E.P, Engineering Mechanics of Solids, 2nd Edition, Prentice-Hall of India, New Delhi, 2002.
3. Nash W.A, Theory and problems in Strength of Materials,Schaum Outline Series, McGraw-Hill Book Co., New York, 1995.
4. Kazimi S.M.A, Solid Mechanics, Tata McGraw-Hill Publishing Co., New Delhi, 2003.
5. Ryder G.H, Strength of Materials, 3rd Edition, Macmillan India Limited, 2002.
6. Bansal R. K, Strength of Materials,Laxmi Publications, New Delhi, 2012.
7. Timoshenko S.P, Elements of Strength of Materials, Tata McGraw-Hill, Delhi.
8. James M. Gere, Mechanics of Materials – (5th Edition), Thomson Learning.
9. Beer & Johnston, Mechanics of Materials, TATA McGraw Hill.
10. E P Popov, Mechanics of Solids, Prentice Hall of India.
11. Relevant IS Codes

E-Learning

1. http:// nptel.ac.in
2. http://nptel.ac.in/courses/Webcoursecontents/IITROORKEE/strength%20of%20materials/ homepage.htm
3. http://nptel.ac.in/courses/105105108/
4. http://theopenacademy.com/content/strength-materials
5. http://www.slideshare.net/Nuumero1/strength-of-materials-and-mechanics-of-solids-by-r-k-rajput
6. http://www.eng.uokufa.edu.iq/staff/wissam/Strength%20Material-2.pdf
7. http://www.learn2build.in/free/ebooks/appliedstrength.pdf
8. http://engineeringfreedownload.blogspot.jp/search/label/manual

Model Question Paper:

Part -A

Answer any six each question carries 5 marks

1. Differentiate between moment and couple?
2. State Parallel axis and perpendicular axis theorem
3. Draw Stress-strain curve for mild steel? Define terms ultimate stress, working stress and factor of safety.
4. Show that cantilever beam with w kN/m UDL overall its length has maximum shear force is = wl and maximum bending moment=wl^2/2
5. Name the types of beams, loading and supports with sketches?
6. What are the assumptions in theory of simple bending?
7. State moment area method? Derive an expression for the slope and deflection for a cantilever carrying UDL w/ unit length over the span L by moment area method.
8. Calculate polar MI of square section having 200mm as side.
9. What is effective length of column? With neat sketches mention the length and crippling load of columns for different end conditions?

Part -B

Answer any seven each question carries 10 marks

1. Classify force system according to plane and line of action?
2. Find the horizontal and vertical component of following forces A. 20kN acting at an angle 30oto the horizontal B. 40kN acting at an angle 60oto the vertical.
2. Find radius of gyration about x-x axis of symmetrical T-section shown in figure

Follow from pdf.

1. Compare between centroid and centre of gravity ?
2. Find the centroid about X-axis and Y-axis for an angle section having dimensions 100 mm x 80 mm x 20 mm. where 100 mm side is vertical
4. Determine the total elongation of the component, if its modulus of Elasticity is 200GPa

Follow the diagram from pdf.

5. A square bar 6mm x6mm in cross section having modulus of rigidity 0.8 x105 the cross section of the bar is reduced to 5.9991mm x 5.9991mm after the application of tensile load of 3600 N, Determine the modulus of elasticity and poisons ratio.
6. A simply supported beam of a span 6 m carries a udl of 10 KN/m over 4 m length from the left support and a udl of 5 KN/m over remaining length along with a point load of 20KN at 4m from the left support. Draw SF diagram.
7. Draw the bending moment and shear force diagram for the below figure

Follow the diagram from the pdf file.

8. Sketch the bending stress distribution diagram across the cross section of a rectangular beam section 230 x 400 m subjected to 60 KNm
9. A column of timber section 150 x 200mm is 6m long, both ends being fixed. Find the safe load for the column. Use Euler’s formula and allow a factor of safety of 3 Take E =17500N/mm2
10. A cast iron beam 50mm wide and 80mm deep is simply supported on a span of 1m .the beam caries a point load of 2kN at the centre. find the deflection at the centre take E=1x 105 N/mm2.

For detail syllabus of all other subjects of BE Civil, C15 scheme do visit Civil 3rd Sem syllabus for C15 scheme.

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