ELEMENTS OF CIVIL & MECHANICS

ELEMENTS OF CIVIL ENGINEERING AND MECHANICS

2014 Scheme

Subject Code: 14CV13/23

IA Marks: 25

Hours/Week: 04

Exam. Hours: 03

Total Hours: 50

Exam. Marks: 100

Module – 1

Introduction to Civil Engineering &Engineering Mechanics :

Introduction to Civil Engineering, Scope of different fields of Civil Engineering - Surveying, Building Materials, Construction Technology, Geotechnical Engineering, Structural Engineering, Hydraulics, Water Resources and Irrigation Engineering, Transportation Engineering, Environmental Engineering.
Infrastructure: Types of infrastructure, Role of Civil Engineer in the Infrastructural Development, Effect of the infrastructural facilities on socio- economic development of a country.
Roads: Classification of Roads and their functions, Comparison of Flexible and Rigid Pavements (Advantages and Limitations)
Bridges: Types of Bridges and Culverts, RCC, Steel and Composite Bridges
Dams: Different types of Dams based on Material, Structural behavior and functionality with simple sketches.

Introduction to Engineering Mechanics :

Basic idealizations - Particle, Continuum and Rigid body; Force and its characteristics, types of forces, Classification of force systems; Principle of physical independence of forces, Principle of superposition of forces, Principle of transmissibility of forces; Newton's laws of motion, Introduction to SI units. Couple, Moment of a couple, Characteristics of couple, Moment of a force, Equivalent force - Couple system; Numerical problems on moment of forces and couples, on equivalent force - couple system. 10 Hours

Module – 2

Analysis of Force Systems- Concurrent & Non Concurrent System :

Concurrent Force System:
Composition of forces - Definition of Resultant; Composition of coplanar - concurrent force system, Parallelogram Law of forces, Principle of resolved parts; Numerical problems on composition of coplanar concurrent force systems.
Non Concurrent Force System:
Composition of coplanar - non-concurrent force system, Varignon's principle of moments; Numerical problems on composition of coplanarnon-concurrent Force system. 10 Hours

Module – 3

Equilibrium of Forces and Friction :

Equilibrium of Concurrent and Non-concurrent Forces :
Equilibrium of forces - Definition of Equilibrant; Conditions of static equilibrium for different force systems, Lami's theorem; Numerical problems on equilibrium of coplanar – concurrent and non-concurrent force systems.
Support Reaction:
Types of Loads and Supports, statically determinate beams, Numerical problems on support reactions for statically determinate beams with Point load (Normal and inclined) and uniformly distributed loads.
Friction:
Definitions: Types of friction, Laws of static friction, Limiting friction, Angle of friction, angle of repose; Impending motion on horizontal and inclined planes;
Numerical Problems on single and two blocks on inclined planes. Numerical problems on Ladder and Wedge friction. 10 Hours

Module – 4

Centroid and Moment of Inertia of Engineering Sections Centroids:

Introduction to the concept, centroid of line and area, centroid of basic geometrical figures, computing centroid for composite lines and Engineering composite sections – T, L, I and Z & full quadrant Circular sections and their built up sections, Numerical problems

Moment of Inertia:

Introduction to the concept, Radius of gyration, Parallel axis theorem, Perpendicular axis theorem, Moment of Inertia of basic planar figures, computing moment of Inertia for Engineering composite sections – T, L, I and Z & full quadrant Circular sections and their built up sections, Numerical problems. 10 Hours

Module – 5

Kinematics:

Definitions – Displacement – Average velocity – Instantaneous velocity – Speed – Acceleration - Average acceleration – Variable acceleration – Acceleration due to gravity – Newton’s Laws of Motion, Rectilinear Motion– Numerical problems.
Curvilinear Motion – Super elevation – Projectile Motion – Relative motion – Numerical problems.
Motion under gravity – Numerical problems. 10 Hours

Course Outcomes:

After successful completion of the course, the student will be able to,
• Know basics of Civil Engineering, its scope of study, knowledge about Roads, Bridges and Dams.
• Comprehend the action of Forces, Moments and other loads on systems of rigid bodies
• Compute the reactive forces and the effects that develop as a result of the external loads
• Express the relationship between the motion of bodies and
• Equiped to pursue studies in allied courses in Mechanics.

Scheme of examination:

• Two full questions (with a maximum of four sub questions) of twenty marks each to be set from each module. Each question should cover all contents of the respective module.
• Students have to answer five full questions choosing one full question from each module.

Text Books :

1. M.N.Shesha Prakash and Ganesh.B.Mogaveer, “Elements of Civil Engineering and Engineering Mechanics”, PHI Learning, 3rd Revised edition (2014)
2. A.Nelson, “Engineering Mechanics-Statics and Dynamics”, Tata McGraw Hill Education Private Ltd, New Delhi, 2009
3. S.S. Bhavikatti, “Elements of Civil Engineering”, New Age International Publisher, New Delhi, 3rd edition 2009.

Reference Books :

1. S.Timoshenko, D.H.Young and J.V.Rao, “Engineering Mechanics”, TATA McGraw-Hill Book Company, New Delhi
2. Beer FP and Johnston ER, “Mechanics for Engineers- Dynamics and Statics”, 3rd SI Metric edition, Tata McGraw Hill. - 2008
3. Shames IH, “Engineering Mechanics–Statics & Dynamics”, PHI–2009