Download GTU BE/B.Tech 2019 Summer 6th Sem Old 160605 Earthquake Engineering Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 6th Sem Old 160605 Earthquake Engineering Previous Question Paper

1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?VI(OLD) ? EXAMINATION ? SUMMER 2019
Subject Code:160605 Date:14/05/2019
Subject Name: Earthquake Engineering
Time:10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
4. Use of IS 1893 and IS 13920 is permitted.

Q.1 (a) Differentiate between static loading and dynamic loading. 07
(b) Derive an equation of motion for free damped vibration of single degree of
freedom system.
07

Q.2 (a) Describe seismic waves briefly. 07
(b) Explain the method to locate epicenter of earthquake. 07
OR
(b) Explain box action of masonry walls. 07

Q.3 (a) Explain ?Strong column Weak beam? design concept 07
(b) Explain effect of structural irregularities under lateral loading. 07
OR
Q.3 (a) What are the basic principles and guidelines for efficient earthquake
resistant design?
07
(b) Explain the following terms: (a) Soft storey, (b) Weak Storey, (c) Re-entrant
corners, (d) Inertia force, (e) Pounding, (f) Ductility, Stiffness
07

Q.4 (a) What is rigid diaphragm effect and flexible diaphragm effect? Explain with
figure.
07
(b) Explain ductile detailing of beam as per Indian standard 13920. 07
OR
Q.4 (a) What is centre of mass and centre of stiffness? Explain with figure. 07
(b) Give ductile detailing requirements for shear wall. 07

Q.5 (a) What are the factors affecting liquefaction characteristics? 07
(b) Write short note on base isolation of building. 07
OR

Q.5 (a) Explain restoration of earthquake damaged masonry structures. 07
(b) A one storey building is idealized as a rigid girder having weight W and
weightless columns. During free vibration test a horizontal force of 9072 kg
displaces the girder laterally by 0.508 cm. The maximum displacement at
the end of the first cycle is 0.406 cm and the time period is 1.4 sec was
observed after instantaneous release. Determine
i. The effective weight of the girder
ii. Undamped frequency of vibration
iii. Damping coefficient
iv. Amplitude after first 6 cycles
07

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