Question 1

According to I.S. : 456, slabs which span in two directions with corners held down, are assumed to be divided in each direction into middle strips and edge strips such that the width of the middle strip, is

Accepted Answer

A) Half of the width of the slab 
B) Two-third of the width of the slab 
C) Three-fourth of the width of the slab 
D) Four-fifth of the width of the slab

Question 2

If 'W' is the uniformly distributed load on a circular slab of radius 'R'fixed at tsends, the maximum positive radial moment at its centre, is

Accepted Answer

A) 3WR²/16 
B) 2WR²/16 
C) WR²/16 
D) None of these

Question 3

The diameter of the column head support a flat slab, is generally kept

Accepted Answer

A) 0.25 times the span length 
B) 0.25 times the diameter of the column 
C) 4.0 cm larger than the diameter of the column 
D) 5.0 cm larger than the diameter of the column

Question 4

Columns may be made of plain concrete if their unsupported lengths do not exceed their least lateral dimension

Accepted Answer

A) Two times 
B) Three times 
C) Four times 
D) Five times

Question 5

The design of heel slab of a retaining wall is based on the maximum bending moment due to:

Accepted Answer

A) Its own weight 
B) Weight of the soil above it 
C) Load of the surcharge, if any 
D) All the above

Exam 1: Structural Design and Analysis

According to I.S. : 456, slabs which span in two directions with corners held down, are assumed to be divided in each direction into middle strips and edge strips such that the width of the middle strip, is

If 'W' is the uniformly distributed load on a circular slab of radius 'R'fixed at tsends, the maximum positive radial moment at its centre, is

The diameter of the column head support a flat slab, is generally kept

Columns may be made of plain concrete if their unsupported lengths do not exceed their least lateral dimension

The design of heel slab of a retaining wall is based on the maximum bending moment due to: