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VALLIAMMAI ENGINEERING COLLEGE
SRM Nagar, Kattankulathur – 603 203
DEPARTMENT OF CIVIL ENGINEERING
QUESTION BANK
II SEMESTER
ST7204 –EARTHQUAKE ANLYSIS AND DESIGN OF STRUCTURES
M.E STRUCTURAL ENGINEERING
Regulation – 2013
Academic Year 2016 – 17
Prepared by
Ms.M.SARANYA, Assistant Professor/Civil
VALLIAMMAI ENGINEERING COLLEGE
SRM Nagar, Kattankulathur – 603 203.
DEPARTMENT OFCIVIL ENGINEERING
QUESTION BANK
SUBJECT
: ST7204 –EARTHQUAKE ANLYSIS AND DESIGN OF STRUCTURES
SEM / YEAR: II/I
UNIT I - EARTHQUAKES AND GROUND MOTION
Engineering
Seismology
(Definitions,
Introduction
to
Seismic
hazard,
Earthquake
Phenomenon), Seismotectonics and Seismic Zoning of India, Earthquake Monitoring and
Seismic Instrumentation, Characteristics of Strong Earthquake Motion, Estimation of
Earthquake Parameters, Microzonation.
PART - A
Q.No
1.
Questions
Define seismology
BT
Level
BT-1
Competence
Remember
2. 1. List the causes of earthquake.
BT-1
Remember
3. 2. Write the major types of plates in engineering seismology.
BT-1
Remember
BT-1
Remember
BT-1
Remember
BT-1
Remember
BT-2
Understand
4.
Describe transform boundaries
5. 3. Enumerate the types of faults
7.
List out some disastrous earthquakes occurred in past history
in India.
Differentiate convergent and divergent boundaries
8.
Distinguish between body waves and surface waves
BT-2
Understand
9.
Compare and contrast focus and epicentre
BT-2
Understand
10.
Describe about the characteristics of earthquake.
11.
Write short notes on elastic rebound theory.
BT-2
BT-3
Understand
Application
12.
Comment on microzonation
BT-3
Application
13
Illustrate the factors affecting ground motion.
14.4. Differentiate Mercalli intensity scale and Richter scale
BT-3
BT-4
Application
Analyse
15.
Explain elastic rebound theory
BT-4
Analyse
16.
Analyse seismotectonics
BT-4
Analyse
6.
17.5. Generalize the term soil amplification.
BT-5
Evaluate
18.6. Generalize seismogram
BT-5
Evaluate
19.
Brief isoseismal line
BT-6
Create
20.
Write a note on Tsunami.
BT-6
Create
BT-1
Remember
BT-1
Remember
PART - B
1.
i. List out the causes of earthquake and explain it briefly.(7)
ii. Name the major plates of the earth.(6)
2.
i. Define focus and epicenter of an earthquake. (5)
ii. Name the kinds of body waves and explain it with neat
sketch.(8)
3.
Define Ritcher scale and MMI scale and explain it briefly.
BT-1
Remember
4.
Describe plates tectonic theory with a neat sketch
BT-1
Remember
5.
Explain briefly about Elastic rebound theory.
BT-2
Understand
6.
Define faults? And Show how they are associated with
BT-2
Understand
BT-2
Understand
BT-3
Application
BT-3
Application
BT-3
Application
BT-4
Analyse
earthquake
7.
8.
i. Explain the types of geological faults.(7)
ii. Discuss about the classification of earthquake.(6)
Illustrate the principle of seismograph and seismogram with
sketch.
9.
Classify seismic zoning of India as per IS 1893:2002.
10.
How seismic waves are induced? Explain the different types
of seismic waves.
11.
i. Differentiate magnitude and intensity. (7)
ii. How will you measure magnitude and intensity. Explain
the methods(6)
12.
Explain about seismic instrumentation and monitoring
BT-4
Analyse
13.
Evaluate the earthquake that has occurred in India in the past
BT-5
Evaluate
14.
Write in detail about microzonation
BT-6
Create
BT-6
Create
PART - C
1.
Write the recent advancement in measurement of earthquake
2.
Prepare a case study on any of the major earthquake that has
occurred in the past
BT-2
Understand
3.
Explain the recent zone classification in India
BT-4
Analyse
4.
Brief about reservoir induced and volcanic earthquakes
BT-1
Remember
UNIT II - EFFECTS OF EARTHQUAKE ON STRUCTURES
Dynamics of Structures (SDOFS/ MDOFS), Response Spectra - Evaluation of Earthquake Forces as per
codal provisions - Effect of Earthquake on Different Types of Structures - Lessons Learnt From Past
Earthquakes
PART - A
Q.No
1.
Questions
State the consequences of vibration in a structure.
BT
Level
BT-1
Competence
Remember
2. 1. Define Degrees offreedom and list the types.
BT-1
Remember
3.
Brief resonance and natural frequency.
BT-1
Remember
4.
What is fundamental frequency and fundamental mode
BT-1
Remember
5.
Define the term base shear.
BT-1
Remember
6.
Define response spectra.
BT-1
Remember
7. 2. Describe D-Alembert’s principle.
BT-2
Understand
8. 3. Difference between static and dynamic loading.
BT-2
Understand
9.
Mention the types of damping.
BT-2
Understand
10.
Explain the term storey drift.
BT-2
Understand
11.
Examine the steps to be followed for the dynamic analysis of
BT-3
Application
BT-3
Application
structure.
12.
A harmonic motion has a time period of 0.2s and amplitude
of 0.4cm. Calculate the maximum velocity and acceleration
13.
Write note on the lessons learnt from past earthquake.
BT-3
Application
14.
Analyse horizontal and vertical seismic coefficient.
BT-4
Analyse
15.
Explain two degrees of freedom system.
BT-4
Analyse
16.
Discuss about the major damages occur in the RC structures
BT-4
Analyse
BT-5
Evaluate
during earthquake.
17. 1. How will you evaluate the distribution of design base shear
along the height of the building.
18.
A cantilever beam 3m long supports a mass of 500kg at its
upper end. Evaluate the natural period and natural frequency.
19. 2. Assess the equation of motion for an damped two degree of
freedom system.
20. 3. Write the characteristic equation for free vibration of
undamped system.
BT-5
Evaluate
BT-6
Create
BT-6
Create
BT-1
Remember
BT-1
Remember
BT-1
Remember
BT-1
Remember
BT-2
Understand
PART– B
1.
i. State and elaborate D’Alemberts Principle.(7)
ii. Describe the solution of equation of motion.(6)
2.
Identify the natural frequency and mode of vibration for the
system shown.
3.
Write
the plan configuration problems that affect the
performance of RC buildings during earthquake.
4.
5.
A four storey reinforced concrete frame building as shown in
fig: is situated at Roorkee. The height between the floors is 3
m and total height of building is 12 m. The dead load and live
load is lumped at respective floor. The soil below the
foundation is assumed to be hard rock. Assume building is
intended to be used as a hospital. Determine the total base
shear as per IS1893(PART1) : 2002. Distribute the base shear
along the height of the building.
Explain briefly the effect of earthquake on different types of
structures.
6.
Describe the mathematical modeling of an SDOF system.
7.
Discuss about the vertical irregularities that affect the
performance of RC buildings during earthquake.
8.
9.
BT-2
Understand
BT-2
Understand
BT-3
Application
BT-3
Application
BT-3
Application
BT-4
Analyse
Calculate the natural frequency and mode shape for the
MDOF system. EI = 4.5 x 106 N-m2 for all columns.
A vibrating system consists of a mass of 5kg, spring of
stiffness 120 N/m and a damper with a damping co-efficient of
5 N-s/m. Calculate
a.
b.
c.
d.
Damping factor
Natural frequency of the system
Logarithmic decrement
The ratio of two successive amplitude
The number of cycles after which the initial amplitude reduces
to 25%
10.
A three storeyed symmetrical RC school building situtated at
Bhuj with following data:
Plan dimension : 7 m
Storey height : 3.5 m
Total weight of beams in a storey : 130 kN
Total weight of slab in a storey
: 250 kN
Total weight of columns in a storey : 50 kN
Total weight of walls in a storey : 530 kN
Live load
: 130 kN
Weight of terrace floor
: 655 kN
The structure is resting on hand rock. Determine the total base
shear and lateral loads at each floor level for 5% of damping
using seismic coefficient method.
11.
A mass of 2 kg is suspended by a spring having a stiffness at
700 N/m. The mass is displaced downward from its
equilibrium position by a distance of 0.02 m. Estimate
equation of motion, normal frequency, the response of the
system and total energy.
12.
A damper offers resistance 0.08 N at a constant velocity
0.06m/s. the damper is used with a spring of stiffness equal to
12 N/m. Estimate the damping ratio and frequency of the
BT-4
Analyse
BT-5
Evaluate
BT-6
Create
BT-3
Application
BT-2
Evaluate
BT-3
Application
system when the mass of the system is 0.3 kg.
13.
14.
Evaluate the natural frequencies and mode of vibration of the
given system.
Write the step by step procedure for seismic analysis of RC
buildings as per IS 1893:2002.
PART - C
1.
2.
Solve the natural frequency and mode of vibration of the
system
Predict the natural frequency and mode shapes of a MDF
system. The mass and the stiffness matrix of a MDF system is
given by
3.
Write a step by step procedure to analyze a frame by
equivalent static lateral load method.
4.
A special reinforced concrete moment resisting frame
building with infill panels is situated in Delhi. The height and
base dimension is 12m and 24m. Evaluate
the design
BT-5
Evaluate
horizontal seismic coefficient and vertical seismic coefficient
for a damping damping of 2 %
UNIT III - EARTHQUAKE RESISTANT DESIGN OF MASONRY STRUCTURES
Structural Systems - Types of Buildings - Causes of damage - Planning Considerations - Philosophy and
Principle of Earthquake Resistant Design - Guidelines for Earthquake Resistant Design - Earthquake
Resistant Masonry Buildings - Design consideration – Guidelines.
PART - A
Competence
Define diaphragm discontinuity.
BT
Level
BT-1
2. 1. Write about flexible diaphragm.
BT-1
Remember
3. 2. Define rigid diaphragm.
BT-1
Remember
Q.No
1.
Questions
Remember
4.
What is pounding of buildings?
BT-1
Remember
5.
Explain the concept of floating column
BT-1
Remember
6. 3. What kind of damage occurs in staircase due to earthquake?
BT-1
Remember
7.
Explain plan and mass irregularity damage.
BT-2
Understand
8.
Outline the role of lintel bands in masonry buildings
BT-2
Understand
9.
Brief about Killari earthquake.
BT-2
Understand
10.
Discuss the reasons for poor performance of masonry
BT-2
Understand
BT-3
Application
BT-3
Application
buildings
11.
12.
Illustrate the height to thickness correction factors as per IS
1905.
Does grouting increase the earthquake resistance capacity?
Justify your answer
13.
How to calculate the base shear in masonry buildings
BT-3
Application
14.
Give some data’s about Jabalpur earthquake.
BT-4
Analyse
15.
Analyse the stress strain curve for brickwork in
compression.
BT-4
Analyse
16. 4. Compare flexible and rigid diaphragm
BT-4
Analyse
17. 5. What will happen if the rigidity modulus affects the masonry
structure. Justify.
18. 6. Differentiate structural and non-structural damages in masonry
building.
Write the formula for modal mass.
19.
BT-5
Evaluate
BT-5
Evaluate
BT-6
Create
20.
BT-6
Create
Write the principle for the design of infill walls.
PART - B
1.
Give the reasons for the poor performance of masonry
buildings
BT-1
Remember
BT-1
Remember
3.
Classify the different types masonry buildings according to
IS 4326:1993
Explain the behavior of unreinforced masonry walls.
BT-1
Remember
4
Compare and contrast the behaviour of
BT-1
Remember
BT-2
BT-2
Understand
BT-2
Understand
BT-3
Application
BT-3
Application
BT-3
Application
BT-4
Analyse
BT-4
Analyse
2.
reinforced and
unreinforced masonry walls
5.
Brief about the behavior of infill walls
6.
How to improve the seismic capacity of masonry buildings
7.
i. Describe the performance of RC buildings during
earthquake?(7)
Understand
ii. And Explain its damages?(6)
8.
Specify the methods for strengthening of masonry buildings
(5) and explain in detail with neat sketches(8)
9.
Write the effects of earthquake on pre stressed and steels
buildings when compared to masonry buildings.
Illustrate the design specifications of different types of shear
10.
walls
11.
Examine the plan configuration problems that affect the
performance of masonry buildings during earthquake.
12.
Analyze the limitations of equivalent lateral force and
response spectrum analysis procedures
13.
Explain in detail about seismic design spectrum
BT-5
Evaluate
14.
Write the various factors in seismic analysis
BT-6
Create
PART - C
1.
Distinguish between rigid and flexible diaphragm with neat
sketches
2.
Explain effects of earthquake on masonry buildings due to
Bhuj earthquake.
3.
Study the damages of various Indian earthquake on buildings
and give suggestions to improve the performance.
4.
Write the design procedure of a shear wall.
BT-4
Analyse
BT-2
Understand
BT-1
Remember
BT-6
Create
UNIT IV - EARTHQUAKE RESISTANT DESIGN OF RC STRUCTURES
Earthquake Resistant Design of R.C.C. Buildings - Material properties - Lateral load analysis –
Capacity based Design and detailing – Rigid Frames – Shear walls.
PART - A
1.
List the different types of irregularities.
BT
Level
BT-1
2.
Define ductility.
BT-1
Remember
3.
List the factors to be considered for design of a tall building.
BT-1
Remember
4.
Show the failure mechanism of unfilled frame.
BT-1
Remember
5.
Define modal participation factor.
BT-1
Remember
6.
Define irregularities.
BT-1
Remember
7.
Differentiate frame and shear wall.
BT-2
Understand
8.
How mass irregularities differ from plane irregularities?
BT-2
Understand
9.
Distinguish between flexure beam model and shear beam
BT-2
Understand
Understand
Application
Q.No
Questions
model.
Competence
Remember
10.
Examine the factors affecting ductility.
11.
Vertical distribution of base shear – Illustrate
BT-2
BT-3
12.
Derive the expression for base shear.
BT-3
Application
13.
Analyze shear beam model.
BT-3
Application
14.
Explain assessment of ductility.
BT-4
Analyse
15.
What do u infer from capacity based design?
BT-4
Analyse
16.
Formulate the expression for time period as per codal
BT-4
Analyse
provision IS 1893.
17.
Prepare the shear wall to resist lateral load.
BT-5
Evaluate
18.
Write the design steps of core wall.
BT-5
Evaluate
19.
Summarize the principle base shear.
BT-6
Create
20.
Explain assessment of ductility.
BT-6
Create
BT-1
Remember
BT-1
Remember
PART - B
1.
Describe how
core wall resists shear in high rise RC
building
2.
List the step by step procedure for capacity based design of
RC buildings.
3.
Describe the construction of floating box.
BT-1
Remember
4.
Summarize the concept arrived rigid diaphragm action.
BT-1
Remember
5.
Discuss briefly about the analysis of in filled frames.
BT-2
Understand
6.
Examine the philosophy of earthquake resistant design of
RC buildings
Design a rectangular beam for 8m span to support a DL of
BT-2
Understand
BT-2
Understand
BT-3
Application
BT-3
Application
BT-3
Application
BT-4
Analyse
7.
10kN/m and a LL of 12kNm? Inclusive of its own weight.
Moment due to earthquake load is 1000kNm and shear
force is 80kN. Use M20 grade concrete and Fe415 steel.
8.
Briefly write a step by step procedure to analyze a frame by
equivalent static lateral load method.
9.
A four –storey reinforced concrete frame building is
situated at Roorkee. The height between the floors is 3 m
and total height of building is 12 m. The dead load and
normal live load is lumped at respective floor. The soil
below the foundation is assumed to be hard rock. Assume
building is intended to be used as a hospital. Determine the
total base shear as per IS 1893 (Part 1) :2002 and compare
with the earlier IS: 1893 codes. Formulate the base shear
along the height of the building.
10.
Explain the different types of shear wall with neat sketch
11.
Design the exterior column to of a multistorey building with
size 400x500mm, axial load from analysis is 601.9 kN and
moment from analysis is 176.6 kN-m with ductile detailing.
12.
Explain the principles of earthquake resistant design of RC
members.
13.
Evaluate the best strengthening techniques involved in RC
building.
14
Write the design procedure for a flexure member withn an
example
BT-4
Analyse
BT-5
Evaluate
BT-6
Create
BT-4
Analyse
BT-2
Understand
BT-1
Remember
BT-6
Create
PART - C
1.
Design a R.C.C building frame of your own as per IS
1893:2002.
2.
Examine types of shear wall and what do you prefer for
high rise building? Explain it.
3.
Write the step by step procedure to find lateral displacement
using software.
4.
Explain capacity based design and detailing for RC building
with example.
UNIT V - VIBRATION CONTROL TECHNIQUES
Vibration Control - Tuned Mass Dampers – Principles and application, Basic Concept of
Seismic Base Isolation – various Systems- Case Studies, Important structures.
PART - A
Competence
1. 1. What do you mean by base isolation?
BT
Level
BT-1
2.
List out need for base isolation
BT-1
Remember
3.
State the mechanism for base isolation
BT-1
Remember
4.
Name the parts of a typical isolator
BT-1
Remember
5.
Why is base isolation effective?
BT-1
Remember
6.
Define damper
Remember
7.
Describe the response of base isolation in a structure
BT-1
BT-2
Q.No
Questions
Remember
Understand
8. 2. Discuss about tuned mass dampers.
BT-2
Understand
9.
Explain the use of metallic dampers
BT-2
Understand
10.
Illustrate the criteria to be met by building for effective base
BT-2
Understand
BT-3
Application
BT-3
Application
Application
Analyse
isolation
11.
Sketch the typical base isolator
12.
Write about the important structures in which base isolation
has to be installed.
13.
Show the types of base isolation system
14.
Classify the type of dampers
BT-3
BT-4
15.
Examine viscous fluid dampers
BT-4
Analyse
16.
Analyse metallic dampers
BT-4
Analyse
17.
Evaluate the performance of base isolation in India with
BT-5
Evaluate
18.3. Generalize the practical application of dampers.
BT-5
Evaluate
19.
Write about isolation and its effective ness.
BT-6
Create
20.
Write about friction damper
BT-6
Create
example.
PART-B
1.
Describe in detail about the concept of base isolation
BT-1
Remember
2.
With a neat sketch, Quote the functions of tuned mass damper.
BT-1
Remember
3.
Identity how viscous fluid dampers resist vibration
BT-1
Remember
4.
Write the new techniques in aseismic design
BT-1
Remember
5.
Discuss the elements and types of base isolation system with
BT-2
Understand
BT-2
Understand
neat sketch
6.
Describe the response of building to base isolation and
Summarize the criteria that should be met for effective base
isolation.
7.
Comment on seismic dampers
BT-2
Understand
8.
Examine how vibration control techniques be applied for
important structures? Give an example of your own.
List out the different types of seismic dampers.Explain each of
BT-3
Application
BT-3
Application
BT-3
Application
9.
them.
10.
Illustrate the use of dampers and base isolation in various
structures
11.
Explain the application of base isolation in different countries.
12. Distinguish between metallic dampers and friction dampers
13.
Discuss a case study on installation of base isolators in Bhuj
hospital, Gujarat.
14.
With an example explain how base isolators works.
BT-4
Analyse
BT-4
Analyse
BT-5
Evaluate
BT- 6
Create
PART - C
1.
Demonstrate case study on application of seismic dampers.
BT-3
Analyse
2.
Illustrate case study on working principle of base isolator .
BT-3
Understand
3.
Analyse the application of tuned mass damper in a high rise
BT-4
Remember
BT-2
Create
residential building.
4.
Describe the construction procedure for base isolation
techniques.
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