GTU B.Tech 2020 Winter Question Papers || Gujarat Technological University
Subject Name: Earthquake Engineering
Time: 10:30 AM TO 12:30 PM Total Marks: 56
6m
K=5 N/mm
K=10 N/mm 1000 kg
'[ v
4m
50kg
Q- Q y
Fig 1
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GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER-VII (NEW) EXAMINATION - WINTER 2020
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Subject Code: 2170612 Date: 19/01/2021Subject Name: Earthquake Engineering
Time: 10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
- Attempt any FOUR questions out of EIGHT questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
- IS 1893, IS 13920, IS 4326 are permitted in examination hall.
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| MARKS | ||
|---|---|---|
| Q.1 | (a) Define tectonic plate. Discuss plate tectonic theory. | 03 |
| (b) Explain liquefaction in detail | 04 | |
| (c) Derive expression for the response of free damped SDOF structural system. | 07 | |
| Q.2 | (a) Define/Explain the terms mentioned. 1) Epicenter 2) Intensity 3) Magnitude | 03 |
| (b) What is meant by over damped, critically damped and under damped system? | 04 | |
| (c) Discuss in detail the advantage of horizontal bands and vertical reinforcement in the masonry buildings. | 07 | |
| Q.3 | (a) Discuss in detail advantage of horizontal bands in the masonry building. | 03 |
| (b) Write short note on response spectrum. | 04 | |
| (c) Find the natural frequency of the system shown in fig. 1. | 07 | |
| Q.4 | (a) Enlist various irregularities found in civil engineering structures for earthquake point of view. | 03 |
| (b) Explain following terms. 1) Base shear 2) Seismograph 3) Confinement Reinforcement 4) soft storey. | 04 | |
| (c) What is mode shape? Plot the mode shapes for the frame shown in figure 2. Take Elcolumn = 1.5 x 1011 Nmm, Elbeam = 8. | 07 | |
| Q.5 | (a) Explain column jacketing. | 03 |
| (b) Give various methods of improving the ductility of structures. | 04 | |
| (c) Explain Repair, restoration and retrofitting. | 07 | |
| Q.6 | (a) Enlist various codes of practice along with correct name related to earthquake engineering. | 03 |
| (b) Explain mathematical model in detail. Draw mathematical model for two structural system. | 04 | |
| (c) Explain Base isolation technique in detail. | 07 | |
| Q.7 | (a) Give philosophy of earthquake resistant design. Give four virtue of good earthquake resistant design. | 03 |
| (b) Differentiate static DOF and dynamic DOF. | 04 | |
| (c) Discuss the capacity design concept in ductile detailing. | 07 | |
| Q.8 | (a) Differentiate 1. Magnitude & Intensity 2. S waves & Love Waves | 03 |
| (b) Sketch the reinforcement details for c/s of RCC column 400 x 400 mm , having 8 nos. 20 mm dia. main bars as ductile requirement | 04 | |
| (c) Discuss in detail the concepts of the ductile detailing in Beams. | 07 |
2000 kg
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h6m
K=5 N/mm
K=10 N/mm 1000 kg
'[ v
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.4m
50kg
Q- Q y
Fig 1
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Fig 2.--- Content provided by FirstRanker.com ---
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