DESIGN OF MASONRY STRUCTURES QUIZ

For masonry work with solid bricks, consistency of mortar should be

19 to 23 cm

14 to 18 cm

9 to 13 cm

5 to 8 cm

TRUE ANSWER : ?
YOUR ANSWER : ?

Consider the following statements:1. Masonry in rich cement mortar though having good strength with high shrinkage is much liable for surface cracks.2. Lime mortar possesses poor workability and poor water retentivity and also suffers high shrinkage.3. Masonry in lime mortar has better resistance against rain penetration and is less liable to crack when compared to masonry in cement mortar.Which of these statements are correct?

2 and 3

1 and 3

1, 2 and 3

1 and 2

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YOUR ANSWER : ?

The effective height of free standing non-load bearing wall and column respectively will be

1.0H and 1.0H

1.5H and 1.5H

2.0H and 1.5H

2.0H and 2.0H

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YOUR ANSWER : ?

Consider the following statements regarding provision of chases in masonry,<br/>(i) No chase should be permitted in a half brick load-bearing wall,<br/>(ii) Vertical chases should not be closer than 2 m in any stretch of a wall,<br/>(iii) Chases should be provided near to bearings of beams and lintels.

(ii) and (iii) are correct

(i) and (iii) are correct

(i) and (ii) are correct

(i), (ii) and (iii) are correct

TRUE ANSWER : ?
YOUR ANSWER : ?

Full restraint is provided by(i) Foundation footing of a wall(ii) Timber floor spanning on the wall and anchored to the wall(iii) RCC slab with a minimum bearing of 10 cm on the wall

(i), (ii) and (iii) are correct

(i) and (ii) are correct

(i) and (iii) are correct

(ii) and (iii) are correct

TRUE ANSWER : ?
YOUR ANSWER : ?

A 200 mm thick brick masonry wall made of modular bricks carries an axial load of 30 kN/m from wall above and an eccentric load of 20 kN/m from RCC floor acting at a distance of 47.5 mm from the centre line of the wall. The resultant eccentricity ratio is

0.095

0.09

0.105

0.1

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YOUR ANSWER : ?

Consider the following statements regarding bands to be provided for strengthening masonry work in masonry buildings constructed in zone III, IV and V.<br/>(i) Lintel band is provided at lintel level on partition walls,<br/>(ii) Gable band is provided at top of gable masonry below the purlins,<br/>(iii) The bands shall be to full width of the wall and not less than 7.5 cm in depth,<br/>(iv) The bands shall be made of reinforced concrete only.<br/>of these statements, the correct statements are

(i) and (ii)

(i) and (iii)

(ii) and (iv)

(ii) and (iii)

TRUE ANSWER : ?
YOUR ANSWER : ?

If ‘H’ is the height of wall between centers of supports, then the effective height of wall where concrete floors have a bearing on wall irrespective of the direction of span will be

1.5 H

0.75 H

0.85 H

1.0 H

TRUE ANSWER : ?
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In a cavity wall, both leaves of which are load bearing, the effective thickness is taken as

Sum of thickness of both leaves

Actual thickness of the stronger leaf

Two-third of the sum of thickness of both the leaves

Larger of (B) and (C)

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YOUR ANSWER : ?

If the eccentricity ratio is more than 1/24, then increase in the permissible stress in the design of wall subjected to eccentric loading as per code is

10 %

33? %

25 %

50 %

TRUE ANSWER : ?
YOUR ANSWER : ?

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