GTU BE 6th Semester 160601 Advanced Construction Technology Summer 2018 Question Paper

1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE – SEMESTER ?VI (OLD) – EXAMINATION ? SUMMER 2018
Subject Code:160601 Date:10/05/2018
Subject Name:Advanced Construction Technology
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.
Q.1 (a) Discuss with neat sketches, the importance and construction procedure of
under reamed piles.
07
(b) What do you understand from Caisson disease? Discuss the methods of its
prevention.
07

Q.2 (a) Discuss various factors affecting the selection of type of piles. 07
(b) Define cofferdam. Discuss the uses of cofferdam. 07
OR
(b) Explain with neat sketches the cellular cofferdam 07

Q.3 (a) Explain with neat figures Electro-osmosis. 07
(b) Explain with neat sketches the form work of RCC column. 07
OR
Q.3 (a) Discuss economic height of cofferdam. 07
(b) Explain with neat sketches the form work of RCC stairs. 07

Q.4 (a) Discuss planning of earthquake resistant buildings. 07
(b) What do you understand by monoliths? Describe their method of construction. 07
OR
Q.4 (a) Discuss design consideration of tall structures. 07
(b) Explain repair, restore and retro-fitting. 07

Q.5 (a) Explain different types of pile hammers with their advantages and
disadvantages.
07
(b) What is base isolation? Explain various methods of base isolation. 07
OR
Q.5 (a) Discuss the advantages and disadvantages of chemical grouting method for
underground water control.
07
(b) What is pre-stressing? Explain various methods of pre-stressing. 07
*************