Rajasthan Technical University 2009-5th Sem B.Tech Civil Engineering Repair and rehabilitation of structures - 3rd yr kota part 1 of 2 - Question Paper
Repair and rehabilitation of structures -B.Tech third yr fifth sem civil engineering examination 2009 RTU kota part one of 2 B.Tcch. Vlth Semester (Main/Back) Examination, June- 2010 Civil Engineering 6CE6.1 Repair and Rehabilitation of Structures(Electrve)
ime : 3 Hours Maximum Marks : 80
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B.Tcch. Vlth Semester (Main/Back) Examination, June- 2010 Civil Engineering 6CE6.1 Repair and Rehabilitation of Structures(Electrve)
Min. Passing Marks : 24
'istructions to Candidates:
Answer any five questions. Assume any missing data suitably. Marks for each question are indicated & each question carries equal marks
a) What are the various types of chemical attacks encountered by concrete?(8)
b) How does the microstructure of concrete affect the durability of the structure?
B.Tcch. Vlth Semester (Main/Back) Examination, June- 2010 Civil Engineering 6CE6.1 Repair and Rehabilitation of Structures(Electrve)(8)
a) Why does alkali-silica reaction disrupt concrete? What precautions can be taken to avoid alkali-silica reaction? (8)
b) What are the physical deteriorating influences on concrete? (8) Illustrate the functioning of followings with neat sketches:
i) Ultrasound pulse velocity meter (8)
ii) Rebound Hammer (8)
What are different methods for corrosion control concretc? Also mention factors which can increase or decrease the cost of corrosion? , (16)
a) Illustrate different types of cracks. f8)
b) How jacketing of a bridge pier is carried? Illustrate* the answer in neat sketches,-
(S)
a) What are steps involved in increasing strength of newly constructed column? Explain with neat diagrams. (8)
b) What is diaphragm wall? List various types of diaphragm wall. (8)
a) Distinguish between fibre rcinforced concrete and fibre reinforced mortar,(8)
'''b) 1 llustrate briefly di fferent repair materials used for enhancing the strength of RC column? (8)
Describe following terms: (4x4)
a) Shotcrete.
b) Carbonation.
c) Half-cell potential and resistivity.
d) Mapping of data.
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| Earning: Approval pending. |
