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Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
PDDC- SEMESTER- II • EXAMINATION WINTER 2018
Subject Code: X20602 Date: 07/01/2019
Subject Name: CONSTRUCTION
Time: 2:30 PM to 5:00 PM Total Marks: 70
Instructions:
1. Attempt any five questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1

Explain with sketches, construction of Button-bottom pile (ii)Simplex pile
07

What are the various reasons of pulling out of piles from their positions? Explain various methods adopted for it.
07
Q.2

Write short note on: Box Cassion Pneumatic Cassion
07

What is the purpose of cutting edge? What are its properties? Describe various types of cutting edges, giving sketches of each, with advantages and disadvantages.
07
Q.3

Explain in details with neat sketch:
Earth-fill Cofferdams
Timber Crib Cofferdams
07

Discuss piping in single-wall cofferdams in detail.
07
Q.4

Briefly describe the methods of controlling ground water flow during construction and suggest their suitability for different soil conditions. Explain with neat sketches any one methods.
07

How do you select the method of dewatering and control the ground water in excavation?
07
Q.5

Discuss in detail the structural system or concept of Tall Structures.
07

Write short note on "Procedure of safe demolition of structures".
07
Q.6

Draw a neat sketch of formwork for a typical RCC floor showing all its component. What are the important points to be remembered in case of such form work
07

Describe the general principles of earthquake resistant buildings.
07
Q.7

Write short note on: Track-Mounted mobile cranes Mast cranes
07

Describe the basic parts and operation of belt conveyors, giving detailed sketches.
07