# Dr. A.P.J. Abdul Kalam University BE VIII SEM (Civil) STRUCTURAL DESIGN-III (CE-803) June 2021 Question Paper

Dr. A.P.J. Abdul Kalam University

Bachelor of Engineering

Eighth Semester Main Examination, June-2021

STRUCTURAL DESIGN-III (CE-803)

Branch-Civil

Time: 3:00 Hrs Max Marks 70

Note: - Attempt any five questions. All questions carry equal marks.

Assume suitable data if necessary and state them clearly

Answer should be precise and to the point only.

Q.1 (a) Design an elevated rectangular tank having a capacity of 125000 liters. The tank is open at the top the height of staging is 12m up to the top of the column. Sketch the details.

(b) Write detailed notes on the following:-

(i) Design of pressed steel tank (ii) Design of stand pipe.

Q.2 Discuss the design of chimney base? A self-supporting steel chimney is of height 50m above foundation

and its diameter at top is 4.0m. thickness of fire brick lining is 115 mm and this is supported by chimney

has two breech openings. The chimney is situated in Indore the topography of the site is flat and the

location is of terrain category 2.compute wind loads on different zones of chimney and design plates of

lowest zones.

Q.3 (a) What is Retaining Wall? Describe various type and structural behavior of retaining wall? Describe

various types of Foundation? Design Raft Foundation with neat sketch?

(b) Define the following: - (1) End bearing for steel bridges (2) Types of trusses

Q.4 (a) Write the steps of designing of hopper portion of silo.

(b) Write short note on:- (1) lining material used for chimney (2) Analysis of towers

Q.5 (a) Write details notes on roller bearing and rocker bearing?

(b) Write design steps with all technical details of pressed steel tank?

Q.6 (a) Write difference between bunker and silo?

(b) Discuss the component of bunker and Design of stiffness in bunker.

Q.7 (a) Design the container of a circular hemispherical bottom water tank for capacity of 175000 liters. Sketch the details.

(b) Write the difference between self-supporting and guyed chimney?

Q.8 (a) Write a short on wind load, calculation for chimney?

(b) Design coal bunker to hold 35 metric tons coals, unit weight of coal is 12KN/M3 and angle of friction is 30° . Sketch the details?

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