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M TECH I YEAR QUESTION BANK

STRUCTURAL ENGINEERING

SEMESTER – II

13255H23/ADVANCED CONCRETE STRUCTURAL DESIGN

AIM and OBJECTIVES:Performance of concrete and steel as structural materials and the behavior, elastic and inelastic, of reinforced – concrete members and structures, designing structures safely, economically and efficiently.

UNIT I INTRODUCTION 8The nature of concrete- Behaviour of concrete - stress-strain relationships of concrete, - stress-strain relationships of reinforcing steel- Failure criteria for concrete (crack width calculation is must).

UNIT II REVIEW OF OVERALL DESIGN 8Limit state analysis and design of beams in flexure - Behavior of reinforced concrete members in bending - Plastic hinge – Rotation capacity – Factors

S. No

Subject Code Name of the Subject

1 13255H21 Management Information System

2 13255H22 Finite Element Analysis

3 13255H23 Advanced Concrete Structural Design

4 13255E24 B Advanced Concrete Technology

5 13255E25 C Elements of Earthquake Engineering

6 13255L26 Core practical(Software Lab – Finite Element Analysis- ANSYS)

7 132TECWR Technical writing / Seminars

affecting rotation capacity of a section – Plastic moment – Moment curvature relationship – Redistribution of moments.

UNIT III STRUCTURAL DESIGN 8Limit state design of deep beams. Design of Flat Slabs using BIS 456. Design of slender columns subjected to combined bending moment and axial force using SP 16 .

UNIT IV SHEAR WALL 8Analysis and design of shear wall framed buildings.

UNIT V DUCTILITY 8Detailing for ductility - fire resistance of buildings - field control of concrete

REFERENCE 1.Krishnaraju, (1998), Advanced Concrete Design, CBS Publishers and distributors,

Delhi. 2. Varghese P.C, Design of Reinforced Concrete Structures, Prentice hall of India. 3.Krishnamurthy, K.T, Gharpure S.C. and A.B. Kulkarni – Limit design of reinforced concrete

structures, Khanna Publishers, 1985.4. Unnikrishna Pillai -TMH Books5. Jain and Jaikrishna, (2002), Plain and reinforced concrete, Vol. II, Nemi ChandBros., Roorkee.6. Durham, (2003), Advanced Concrete Design, Oxford Publishing privateLimited.

H.O.D.

UNIT - I

PART-A1. What is mean by crack width?2. Define the characteristic and design strength.3. What are the factors influencing the stress- strain relationship of concrete?4. Define the characteristic and design loads.5. What are the allowable crack widths in buildings?6. Draw the stress-strain relationships of concrete.7. List the various failure modes in RC structures.8. What are the causes for the failure of a structure?9. What are the methods used to avoid spalling of concrete with high temperatures?10. What are the properties of fresh concrete?

PART-B

1. Explain the procedure described in IS 456-2000 to estimate the crack width of RC members.

2. A rectangular beam 300 mm x 500 mm having an effective span of 6 m, is subjected to UDL of 16 kN/m inclusive of its own weight. The beam is reinforced with 3 bars of 20 mm diameter, at an effective cover of 50mm; Assume M20 concrete and Fe415 steel. Calculate the surface crack width at the following locations

a) at a point on the side of the beam 250mm below the N-A b) at a point on tension face, midway between two bars.

c) at the bottom of corner3. Write short note on a) Partial safety factor for material strengths

b) Partial safety factors for loads4. A rectangular beam 230 mm x 350 mm having an effective span of 4 m, is subjected to

UDL of 20kN/m inclusive of its own weight. The beam is reinforced with 3 bars of 16 mm diameter, at an effective cover of 40mm; Assume M20 concrete and Fe415 steel. Calculate the surface crack width at the following locations

a) at a point on the side of the beam 250mm below the N-A b) at a point on tension face, midway between two bars.

c) at the bottom of corner

5. A simply supported rectangular beam spanning over 6 m, has a width of 300 mm and overall depth of 600 mm. the beam is subjected to a working moment of 160kNm at the centre of the section. The beam is reinforced with 4 bars of 25 mm diameter on the tension side at an effective depth of 550 mm spaced at 50 mm centers. Assume M25 grade concrete and Fe415 HYSD bars, Check the beam for the serviceability limit state of cracking according to IS: 456-2000 code method.

6. A simply supported rectangular beam spanning over 8 m, has a width of 300 mm and overall depth of 650 mm. the beam is subjected to a working moment of 150kNm at the centre of the section. The beam is reinforced with 4 bars of 25 mm diameter on the tension side at an effective depth of 600 mm spaced at 50 mm centers. Two nominal hanger bars of 12 mm diameter are provided on the compression side. Assume M20 grade concrete and Fe415 HYSD bars, Check the beam for the serviceability limit state of cracking according to IS: 456-2000 code method.

H.O.D. Staff-In-Charge

UNIT-II

PART-A

1. What do you mean by limit state of collapse?

2. Define limit state of serviceability.

3. Describe the following

a) Limit state

b) Aim of limit state design

4. Define Plastic hinge.

5. List the factors affecting rotation capacity of a section.

6. Write a short note on redistribution of moments.

7. What is the significance of the condition on depth of neutral axis while adopting moment

redistribution?

8. Define rotation capacity of a section.

9. Draw the moment curvature relation curve at a beam section

10. What are the factors affecting available rotation at the plastic hinge?

PART-B

1. Design a singly reinforced concrete beam to suit the following data:Clear span = 4mWidth of supports = 300 mmService load = 5 kN/mMaterial: M20 grade concreteFe-415 HYSD Bars

2. A reinforced concrete beam is to be designed over an effective span of 5 m to support a design service load of 8 kN/m. Adopt M-20 grade concrete and Fe-415 HYSD bars and design the beam to satisfy the collapse and serviceability limit states.

3. Design a reinforced concrete beam of rectangular section using the following data: Effective span = 5 m Width of beam = 250 mm Overall depth = 500 mm Service load (DL+LL) = 40 kN/m Effective cover = 50 mm Materials: M20 grade concrete Fe-415 HYSD bars

4. A tee beam slab floor of an office comprises of a slab 150 mm thick spanning between ribs spaced at 3 m centers. The effective span of the beam is 8 m. Live load on floor is 4 kN/m2 . Using M20 grade concrete and Fe-415 HYSD bars, design one of the intermediate tee beams.

5. Design a L- beam for an office floor to suit the following data. Clear span = 8 m

Thickness of flange = Df =150 mm Live load = 4 kN/m2 Spacing of beams = 3 mfck =20 N/mm2 and fy = 415 N/mm2

L- Beams are monolithic with R.C columnsWidth of column = 300 mm

6. Write short notes on a) Redistribution of moments.b) Plastic hinge and rotation capacity.


UNIT-III

PART-A

1. Under what circumstances the RCC deep beams are used?

2. What is a slender column?

3. List out the various methods available for the analysis of flat slabs.

4. What are the four end conditions of column?

5. What do you mean by deep beams?

6. State four assumptions made for the limit state of collapse in compression.

7. What do you mean by Flat slabs?

8. What is the codal requirement of minimum eccentricity for a column member?

9. Distinguish between short and long column

10. State the reinforcement details for continuous deep beams as per IS:456

PART-B

1. Design a short column for the following data.

Size of column - 300 mm x 600 mm

Concrete grade -M20

Steel grade -Fe415

Factored load Pu -2000 kN

2. Design an axially loaded tied column 400 x 400 mm pinned at both ends with an

unsupported length of 3m for carrying a factored load of 2300 kN. Use M20 grade

concrete and Fe 415 steel.

3. Design a circular pin-ended column 400 mm dia and helically reinforced, with an

unsupported length of 4.5 m to carry a factored load of 900 kN. Assume M30 concrete

and Fe 415 steel.

4. Design an interior panel of a flat slab 4.8 m x 5.8 m in size. The slab is supported on

circular columns of diameter 500 mm. The height of the columns above and below the

slab is 3.8 m. Live load on the floor is 4 kN/m. Weight due to finishes may be assumed as

0.48 kN/m2. Use the direct design method.

5. Design the reinforcement in a rectangular column of size 300 mm by 500mm to support a

design ultimate load of 500 kN. together with a factored moment of 200 kN-m. Assume

M20 concrete and Fe 415 steel.

6. A reinforced concrete deep beam is to be designed over an effective span of 8 m to

support a design service load of 50 kN/m. Adopt M-30 grade concrete and Fe-415 HYSD

bars.

7. Design a typical interior span of a continuous deep beam using the following data.

Span = 9 m

Overall depth = 4.5 m

Width of support = 0.9 m

Width of beam = 0.4 m

Uniformly distributed load at service state including the self weight = 200 kN/m


UNIT-IV

PART-A

1. Distinguish between ordinary-moment and ductile moment shear wall 2. Define Shear wall3. What is meant by boundary elements in shear walls? 4. Define coupled shear wall5. Under what condition boundary elements are to be provided in shear wall?

6. What is the shear strength of construction joints? 7. Write the importance of shear wall 8. Distinguish between braced and unbraced walls. 9. Write down the classification of shear wall. 10. Write a note on shear wall.

PART-B1. Design a bar bell type shear wall of length 4160mm & thickness 250mm subjected to the

following forces, fck=25N/mm2, fy=415N/mm2

Loading axial force moment shear force

DL+LL 1950 600 20 Seismic load 250 4800 700

2. Design a RCC wall of 5 m high, Which is restrained in position and direction at both ends and has to carry at its top a factored load of 600 kN and factored moment of 25 kNm, at right angles to the plane of wall.

3. Discuss in detail the different types of shear wall with neat sketches.4. Write short note on

a) Coupled shear wallb) Rigid frame shear wall

5. Design a RCC wall of 6 m high, which is restrained in position and direction at both ends and has to carry at its top a factored load of 800 kN and factored moment of 115 kNm, at right angles to the plane of wall.

6. Explain in detail about the step by step procedure of design of shear wall.


UNIT-V

PART-A1. What do you mean by ductility of concrete?2. Explain the effect of high temperature on concrete and steel3. How RCC elements are made ductile?4. Sketch the detailing of reinforcement in beam column joints for ductility.5. Define ductility6. Sketch the detailing of reinforcement in columns for ductility.7. What are the factors affecting fire resistance of RC structures?8. What is the effect of fire on tension members?9. List some of the methods to improve the fire resistance of buildings.10. What are the 2 ways of expressing the fire resistance of structural members?

PART-B

1. Explain in detail about the reinforcement detailing of beams for ductility.2. Write a brief note on quality control of concrete in field3. What are the steps to be taken for providing fire resistance in buildings?4. Explain in detail the process of mixing, placing, compaction and curing of concrete in the

field.5. Write a brief note on factors to improve the ductility performance of R.C structures under

seismic loading.6. Explain in detail about the reinforcement detailing of beam- column joints for ductility.7. Discuss the essential of workability and strength tests for the quality control of concrete

in field.


13255E24B&13255E23BP ADVANCED CONCRETE TECHNOLOGY L T P C

3 1 0 4AIM and OBJECTVES:To learn the Performance of concrete as structural material and advanced technologies used in construction by using concrete.

UNIT I INTRODUCTION TO CONCRETEMaterials - Concrete materials - Reinforcements and admixtures.

UNIT II MIX DESIGNMix Design – Specifications - Design of concrete mixes by IS code method – ACI method - Road Note No:4 method – High strength concrete.

UNIT III BEHAVIOUR OF CONCRETE

Behaviour of Concrete - Modern trends in concrete manufacture and placement techniques - Theological behaviour of fresh concrete and hardened concrete - Resistance to static and dynamic loads.

UNIT IV TESTINGTesting of Concrete - Non-destructive testing and quality control – Durability - Corrosion protection and fire resistant.

UNIT V SPECIAL CONCRETESpecial Concrete - Pre-cast concrete - Light weight concrete - Under water concrete -Pumped concrete - Polymer concrete - Composites and fibre reinforced concrete.

REFERENCES :

1. Neville, A.M.(2003), Properties of Concrete, Standard Publishers Distributors.

2. Varshney(2000), Concrete Technology, Khanna Publishers, New Delhi.

3. IS : 383 – 1970, (2005), Specification for Coarse and fine natural sources for Concrete, BIS, New Delhi.

4. IS : 9103-1979, (2005), Specification for Admixtures for Concrete, BIS, New Delhi


UNIT-1

Part-A

1. Define plastic concrete.2. Define workability.3. What are the factors that affects the workability of concrete?4. What are the tests that are conducted in workability of concrete?5. What is the necessity of bending reinforcement?6. Define admixtures.7. What are the types of admixtures?8. Define super plasticizer.9. What is a retarder?10.What is an accelerator?

Part-B

1. Explain the chemical composition of cement. (14-18)

2. Discuss about heat of hydration in cement. (19-20)

3. Write in detail about the laboratory testing of cement.(49-54)

4. What are the admixtures used in concrete? Explain.(130-135,164-165,180-182)

5. Explain about high volume fly ash concrete.(189)

6. Discuss about the factors that affects the workability of concrete.(142-144)


UNIT-II

1. What is the concept of mix design?2. What are the factors to be considered in mix design?3. Mention the different methods of mix design.4. Define water cement ratio.5. Define target mean strength.6. What are the special methods of making high strength concrete?7. Define ultra high strength concrete.8. Define high performance concrete.9. Define reactive powder concrete.10.Define polymerization in concrete.

Part-B1. Write the mix design procedure for ACI method.2. Write the mix design procedure for DOE method.3. Write the mix design procedure for IS method.4. Explain how workability of concrete is carried out by using slump cone test.5. Explain the special methods of making high strength concrete.6. Design Data, i) Characteristic Compressive Strength required in 28 days – 20 Mpa ii) Maximum size of Aggregate – 20 mm (Angular) iii) Degree of Workability – 0.90 (Compacting Factor) iv) Degree of Quality – Good v) Type of Exposure - Mild Test Data for Materials, i) specific Gravity of Cement – 3.15 ii) specific Gravity of Coarse Aggregate – 2.60 iii) specific Gravity of Fine Aggregate – 2.60 iv) Water Absorption – 0.50% Concrete Mix Design by I.S Method.


UNIT-III

PART-A

1. Define durability.2. What is known as segregation?3. What is known as bleeding?4. What are process of manufacturing the cement?5. Define pumping concrete.6. What is membrane curing?7. What is electrical curing?8. Differentiate between static and dynamic load.9. What are the types of slump?10.What are the test conducted in hardened concrete?

PART-B

1. Explain about the process of manufacturing of cement.

2. Explain about high pressure steam curing.

3. Discuss about the method of compacting the concrete.

4. Explain about the methods of curing the concrete.

5. Explain about whisper concrete finish

6. Explain the classification of shrinkage.


UNIT-IV

PART-A

1. What are the test involved in testing the concrete?2. What is non-destructive testing?3. Define quality control.4. What is mean by durability?5. What is plastic shrinkage?6. What is drying shrinkage?7. Write any four non-destructive test.8. Define creep.9. What are the types of cracks?10.Mention the uses of radioactive method of testing.

Part-B

1. Explain how corrosion mechanism takes place in concrete.

2. Explain the tests that are done in fresh concrete.

3. Discuss about the methods that are used to prevent corrosion.

4. What is non-destructive testing? Explain rebound hammer test.

5. Write short note ona. Radioactive methodb. Electrical methodc. Magnetic methodd. Nuclear method

6. Explain about the causes of cracks in concrete.


UNIT-V

PART-A

1. What are the types of special concrete?2. Mention the types of light weight concrete.3. Give any four natural light weight aggregate.4. Define aspect ratio.5. What are the types of polymer concrete?6. Define polymerization.7. Differentiate between monomer and polymer.8. What are the types of fiber?9. What is transition zone?10.Give any two application for polymer impregnated concrete.

PART-B

1. Explain about light weight concrete.

2. Explain about under water concrete.

3. Explain about pumped concrete.

4. Explain about polymer concrete.

5. Explain about pre-cast concrete.

6. Explain about fiber reinforced concrete.


MANAGEMENT INFORMATION SYSTEM (13255H21) – MTech (Civil)

QUESTION BANK

UNIT - I

2 Marks:

1. What is the need for information in business today?

2. How does information differ from data?

3. What is a system? Give an example for system.

4. Define Management Information System.

5. What are the components of an information system?

6. What is a business model?

7. Define Knowledge Management System.

8. Define System Analysis.

9. Define System Design.

10. What is to be designed while developing a system?

16 Marks:

1. Elaborate on components and types of information system.

2. “Having a clearly articulated business model is important.” – Elucidate the importance

and components of a business model.

3. Information system has seen a tremendous evolution over the years. Discuss it.

4. Draw the system development life cycle and explain each cycle in detail.

5. Write in detail about structured methodology of system development.

6. Explain how to design a computer based methods, procedures and control.

UNIT – II

2 Marks

1. Define Information Systems.

2. Define Integrated Construction Management Information System.

3. Define Project management information system.

4. What are the components of a project information system?

5. List four examples of functional information system.

6. What are the different functional areas of a business?

7. What do financial information systems do?

8. What do marketing information systems do?

9. What do production information systems do?

10. What do personnel information systems do?

16 Marks

1. Demonstrate how Integrated Construction Management Information System has its wide

application in the construction industry.

2. Elaborate on Project Management Information System.

3. “Finance information system provides information about various functions of the finance

system of an organization” – Detail it.

4. “Marketing information system provides information about various functions of the

marketing system of an organization” – Detail it.

5. “Production information system provides information about various functions of the

production system of an organization” – Detail it.

6. “Personnel information system provides information about various functions of the

human resource system of an organization” – Detail it.

UNIT – III

2 Marks

1. What are the types of management support system according to the different levels of

management?

2. Define DSS.

3. What are the components of DSS?

4. List some common examples of DSS applications.

5. Define EIS.

6. Write an example for EIS application.

7. Define expert system.

8. Give an example for expert system application?

9. What are the major factors driving the internationalization of business?

10. Identify and list some challenges posed by international information system.

16 Marks

1. ‘Decision Support System is an interactive, computer based system which supports

managers in making unstructured decisions’ – Explain in detail.

2. ‘An Executive Information System is a type of management information system intended

to facilitate and support the information and decision-making needs of senior executives’

– Detail it.

3. Compare Executive Information System with Decision Support System. Bring out the

advantage and disadvantages of EIS.

4. Highlight the applications, advantages and limitations of an expert system.

5. Bring out the differences between Management Information System and Decision

Support System and explain in detail.

6. Explain how international information systems can support different global business

strategies.

UNIT – IV

2 Marks

1. Define Control.

2. What is security?

3. What is the significance of system testing?

4. List some risks in maintaining information system.

5. Define firewall.

6. List any two antivirus software.

7. How will you detect errors?

8. What is software?

9. What is software engineering?

10. What do you mean by software specification?

16 Marks

1) Explain why information systems are so vulnerable to destruction, error, abuse and

system quality problems?

2) Explain what types of controls are available for securing information systems?

3) Identify and highlight the challenges posed by information systems security and

control. Suggest some ways to overcome those challenges.

4) What are the coding techniques? Explain them in brief.

5) Explain the error detection and correction technique to control the error data.

6) Define software engineering quality. List and explain its dimensions.

UNIT – V

2 Marks

1. Define software metrics

2. What is software quality assurance?

3. What are the factors affecting software quality?

4. Define software life cycle model.

5. Write a short note on spiral model of SDLC.

6. Why do we need to do requirement analysis?

7. Distinguish between verification and validation.

8. Define verification.

9. Define validation.

10. What is the importance of validation of an MIS installation?

16 Marks

1) Explain software metrics in detail.

2) Explain software quality assurance activities in detail.

3) List and explain the knowledge and human dimensions involved with developing a

system.

4) List different software life cycle models and explain any two of them.

5) Explain various methods of implementing a system. How proper design helps during

implementation stage of a system?

6) Write a not on the following:

(i) Waterfall model of SDLC.

(ii) Prototyping model of SDLC.

13255H22&13255H22P FINITE ELEMENT ANALYSIS

AIM and OBJECTIVES:The finite element method is the most powerful structural analysis tool for the civil engineers. The basic formulation and programming technique are introduced. According to the same procedures, the different elements such as truss, beam, plate and shell are easily formulated.

UNIT I INTRODUCTION: 12Differential equilibrium equations - strain displacement relation - linear constitutive relation - special cases. Principle of stationary potential energy - application to finite element methods. Some numerical techniques in finite element Analysis

UNIT II ANALYSIS OF PLATE BENDING; 12Two Dimensional problems - Plane Stress, Plain Strain and Axisymmetric Problems - Triangular and beam element -. Analysis of plate bending- Basic theory of plate bending - displacement functions - plate bending Elements.

UNIT III MODELS AND FUNCTION OF ELEMENT: 10Displacement models - convergence requirements. Natural coordinate systems – Shape function. Interpolation function. Linear and quadratic elements - Lagrange & Serendipity elements.

UNIT IV ANALYSIS OF NONLINEAR AND VIBRATION PROBLEMS: 12

Strain displacement matrix - Material and Geometric Nonlinearity - Methods of Treatment -Dynamic condensation-Eigen value extraction

UNIT V ASSEMBLAGE OF ELEMENT: 10Assemblage of elements – Direct stiffness method. Special characteristics of stiffness matrix - Boundary condition & reaction - Gauss elimination –Basic steps in Finite element analysis.

REFERENCE1. Krishnamoorthy, C.S, Finite Element Analysis Theory & Programming, McGraw- Hill2. Desai C.S and Abel, J.F., Introduction to the finite element Method, Affiliated East west Press Pvt. Ltd. New Delhi 1997.3. Bathe , K.J., Finite Elements Procedures in Engineering analysis, Prentice Hall Inc., 1995.


UNIT-1

PART-A1. What is the basis of finite element method?2. State generalized Hooke’s law?3. Clearly point out the situations in which FEM is preferred over other methods. 4. What is meant by finite element?5. What is meant by a node or joint?6. What are the three types of nodes? 7. Distinguish between potential energy function and stationary potential energy function.8. What is the correct solution for a linearly elastic problem?9. State the principle of stationary potential energy 10. Write the applications of finite element analysis.

PART-B

1. Briefly explain the advantages and disadvantages of finite element analysis?

2. Find the central deflection by finite difference method for the beam shown in figure.

3. Find the stresses in a two bar assembly which is loaded with force “p” and constrained at two ends as shown in Fig.

4. Explain about the applications of Finite element analysis.5. Explain the concept of FEA briefly and outline the procedure.6. Explain (a) Degree of freedom (b) Continuum structure (c) Skeletal structures (d) Element matrix

(e) Shape function.

UNIT-II

PART-A

1. what is meant by plane strain condition

2. What are1-D Elements? Give example

3. What are 2-D Elements? Give examples

4. What are 3-D Elements give Examples

5. What is meant by natural coordinate?

6. What is meant by Area coordinate?

7. What is meant by interpolation function?

8. What do you meant by plane stress problems?

9. Define the terms “Orthotropic” and “Isotropic”

10. Distinguish between orthotropic and isotropic materials.

PART-B

1. Explain about the basic theory of plate bending.

2. A triangular element with (x1.y1)=(6,4) , (x2,y2) = (12,6) , (x3,y3) = (8,12) is subjected to a

temperature change 10° c. if the coefficient of thermal expansion

α = 7*10^-6. Find the load due to temperature change assuming plane stress condition.

Take thickness of element as 2cm. poisons ratio as 0.3 and

young’s modulus 200*10^5

3. Find the jacobian matrix and strain displacement matrix for the triangular element with

(x1.y1)=(6,4) , (x2,y2) = (12,6) , (x3,y3) = (8,12)

4. Derive the stiffness matrix for the bar element of span L Subjected to

axial force F.

5. Write short notes on

(a) Isoparametric elements

(b) Area coordinates

(c) Local coordinate system

(d) Global coordinate system

6. Explain about plane stress and plane strain condition

UNIT-III

PART-A

1. Define shape function

2. What is meant by higher order element?

3. Differentiate between global and local axis.

4. What is the difference between natural coordinate and simple natural coordinates?

5. What is scalar or homogeneous degree of freedom? Give examples

6. What are the advantages of using shape functions for setting up element stiffness matrix

for an element?

7. How inter element compatibility requirement is met in finite element dissertation?

8. What is meant by isoparametric element?

9. What are the possible locations for nodes?

10. Define generalized coordinates

PART-B

1. What are the criteria to be satisfied by displacement functions of any 2D Finite element?

2. List out the various elements available to discretize the model in finite element method?

3. Determine the shape functions for a CST element.


i) Finite difference method

ii) Rayleigh Ritz method

iii) Collocation method

iv) Weighted residual method

5. Find the deflection at centre of clamped beam subjected to UDL of its entire length by method

of collocation.

6. Write the procedure to solve finite element analysis of a framed structure

UNIT-IV

PART-A

1. What is meant by static condensation?

2. Distinguish between essential (forced or geometric) and non-essential (natural) boundary

conditions.

3. Mention the methods available for handling material non-linear problems

4. Mention the methods available for handling geometric non-linear problems

5. What do you meant by material non-linearity?

6. What do you meant by geometric non-linearity?

7. Mention the various non-linearity in finite element analysis

8. Distinguish between linear and non-linear analysis.

9. What do you meant by Non-linearity?

10. State the incremental procedure to handle material non-linear problems.

PART-B

1. Derive static condensation

2. Explain midpoint runge-kutta incremental scheme and discuss its advantages and

disadvantages over the incremental procedure.

3. Explain the iterative procedure of handling geometric non-linearity problems in structural

mechanics.

4. Explain about the reversible non-linearity.

5. Discuss in detail about the general procedure for solution of non-linear discrete problems

by direct iterations.

6. Explain iterative procedure and modified iterative procedure for the analysis of materials

non-linearity problems.


UNIT-V

PART-A

1. What is the effect of using nonconforming elements in an assemblage?

2. Define stiffness matrix.

3. What are the properties of stiffness matrix?

4. What are the complete requirements?

5. What do you meant by inter element compatibility?

6. Mention different types of elements give example.

7. What is the use of pascal’s triangle?

8. What is Gauss elimination method?

9. Write the steps involved in finite element analysis

10. Distinguish between primary, secondary and internal nodes.

PART-B

1. Explain about numerical integration techniques?

2. Write the one point formula, two point formula and three point formula?

3. Explain briefly the steps involved in Finite Element Analysis.

4. Evaluate the integral using 1 point,2 point, 3 point formula and compare it with exact

value. -1∫1 [3ex+x2+1/(x+2)]dx

5. Write short note on stiffness method.

6. evaluate the following integral using Gaussian quadrature

0∫6 0∫4 ( 3+x2/ 2+y2 ) dx dy

13255E25C ELEMENTS OF EARTHQUAKE ENGINEERING L T P C

3 1 0 4AIM and OBJECTIVES:This course covers the theory and applications related to Earthquake Engineering. The broad subjects discussed in this course include earthquake response of linearly elastic and inelastic buildings, structural dynamics in building codes.UNIT I ELEMENTS AND FEATURESElements of Seismology - Definitions of magnitude – Intensity - Epicentre etc - General features of tectonics of seismic regions - Seismographs.UNIT II THEORY OF VIBRATIONSTheory of Vibrations - Free vibrations of single degree - Two degree and multiple degree freedom systems - Computations of dynamic response to time dependent forces - Vibrations isolation – Vibration absorbers - Brief introduction to instruments - Accelerograms.UNIT III PRINCIPLES OF EARTHQUAKE DESIGNPrinciples of earthquake resistant design - Response spectrum theory - Application of response spectrum theory to seismic design of structures. Capacity - Design Principles - Design criteria for strength - Stiffness and ductility.UNIT IV EARTHQUAKE ANALYSISEarthquake Analysis and Design - Characteristics of earthquake – Earthquake response of structures – Concept of earthquake resistance design – Code provisions for design of building – IS 1893 and IS 4326 – Energy absorption capacity.UNIT V COMPUTER APPLICATIONSeismic analysis and design of a multi storied building using Computer.REFERENCE1.Pauley & Priestly, (1992), Seismic design of reinforced concrete and masonry buildings, John Wiley & Sons.2.Stratta.J.L, (1998), Manual of Seismic Design, Prentice-Hall India Pvt Ltd.3.Kramer.S.L., (2002), Geotechnical Earthquake Engineering, Prentice-Hall India Pvt Ltd.

Elements of Earthquake Engineering

UNIT –I

PART-A

1. Define Earth Quake2. Define Focus and Epicentre3. What are the different types of seismic waves?4. What are the causes of earthquake?5. What is the difference between magnitude and intensity?6. What do you mean by intensity of an earthquake?7. What is mean by isoseismal?8. What is a fault?9. Mention the types of Earth Quake.10. Define magnitude.

PART-B

1. Explain the theory of plate tectonics’.2. Explain difference types of seismic waves with the help of a diagram.3. Write detail about the behaviour of structures in the past earthquakes.4. What do you mean by magnitude and intensity? Compare magnitude and intensity of an

earthquake.5. What are the causes of earthquake? Explain them.6. Write short notes on

i) Seismographii) Elastic rebound theory.

UNIT-II

PART-A

1. Mention the types of vibration

2. Define static analysis

3. Define dynamic analysis

4. Define free vibration

5. Define forced vibration

6. What are the methods to be followed to derive the equation of motion?

7. What is meant by damping?

8. Draw the spring mass system and free body diagram for undamped free vibration system.

9. Define vibration analysis.

10. Define accelerometers.

PART-B

1. Derive the equation of motion for free vibration of undamped SDOF system.

2. Explain the solution of equation of motion.

3. Derive the equation of motion for forced vibration of undamped MDOF system.

4. A system vibrating with a natural frequency of 6rad/sec. Starts with an initial amplitude(xo) of 2

cm and initial velocity (x.o) of 25 cm/sec. Determine the

a. Amplitude

b. Natural frequency

c. Maximum velocity

d. Maximum acceleration

e. Phase angle

5. Derive the equation of motion for forced vibration of damped SDOF system.

6. Explain the functions of accelerometers and servo-accelerometers.


i) Vibration isolation

ii) Vibration absorbers

UNIT-III

PART-A

1. Why is strong columns – weak beams configuration is preferred for making earthquake resistant buildings?

2. What is design spectrum?3. What are main weaknesses of RC frame buildings?4. What are the common types of damages observed in RC buildings?5. What is an irregular building?6. What is floating column? How does their presence affect the seismic performance of a

building?7. Define ductility.8. Define seismic weight.9. Define shear wall.10. Mention the different types of shear wall

PART-B

1. Explain the methods of seismic analysis.

2. Explain the methods of seismic design.

3. Define shear wall and write briefly about different types of shear walls with neat sketches.4. What is dynamic analysis? For which type of buildings, dynamic analysis is compulsory?5. Explain in detail design concepts for the earthquake resistance design of structures.6. Write in detail about cyclic and non cyclic loading behaviour on buildings.7. Explain in detail design concepts for the earthquake resistance design of structures.8. Write in briefly structural failures and its remedial measures.

UNIT-IV

PART-A

1. What is the philosophy of seismic design of structures?

2. What is a seismic code?

3. What is the design base shear?

4. What are the basic assumptions for the earthquake resistance design of structures?

5. What do you mean by Braced frames?

6. What is cyclic loading and give some examples?

7. What is non cyclic loading and give some examples?

8.

PART -B

1. Explain the importance of seismic codes.

2. What are the various methods of calculating base shear in detail?

3. Explain the distribution of base shear along the height of the building as per IS 1893.

4. Explain in detail design concepts for the earthquake resistance design of structures.

5. What is a seismic code? How do they help us in designing structures?

6. Explain various recommendations about providing stirrups in a beam as per IS 13920.

7. Explain the various codal provisions for ductile detailing of longitudinal reinforcement in

a beam.

8. Write in detail about seismic design philosophy.

UNIT –V

PART-A

1.Mention the software packages for seismic analysis &design.

2.Mention the application of computer packages.

3.What is meant by seismic analysis.

4.What is meant by preprocessing.

5.Mention two software packages employ finite element method as a tool for the analysis.

6.Define Logarithmic Decrement.

7.Define Resonance.

8.What are the effect of vibration.

9.Define Transmissibility Ratio.

10.Define Natural Frequency.

PART-B

1. Write the application of STADD PRO.

2. Write the application of FEA.

3. Write the application of ANSYSIS.

4. Write the application of STRUDS.

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Documents

advanced concrete design

performance of concrete

m20 concrete

nature of concrete

behaviour of concrete

reinforced concrete

design of beams

design strength