DESIGN OF MASONRY STRUCTURES QUIZ

For earthquake resistant masonry buildings, where seismic coefficient is less than 0.08, the horizontal distance between two openings shall not be less than

Vt x height of shorter opening

Ax height of shorter opening

Vt x height of longer opening

Vi x height of longer opening

TRUE ANSWER : ?
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

(ii) and (iii)

(i) and (ii)

(ii) and (iv)

(i) and (iii)

TRUE ANSWER : ?
YOUR ANSWER : ?

Consider the following statements:A high lime content in a composite cement-lime mortar results in1. Slow hardening.2. Quick setting.3. Weaker mortar.

1 and 3 are correct

2 and 3 are correct

1, 2 and 3 are correct

1 and 2 are correct

TRUE ANSWER : ?
YOUR ANSWER : ?

Assertion A : From consideration of structural soundness and economy of design, most codes control the maximum slenderness ratio of masonry walls and columns.Reason R : By controlling the maximum slenderness ratio, failure is by excessive stress and not by buckling.Select your answer according to codes given below:

Both A and R is true but R is not the correct explanation of A

A is false but R is true

A is true but R is false

Both A and R is true and R is the correct explanation of A

TRUE ANSWER : ?
YOUR ANSWER : ?

Minimum thickness of stiffening wall for 1 to 3 storeys shall not be less than

15 cm

30 cm

20 cm

10 cm

TRUE ANSWER : ?
YOUR ANSWER : ?

Rich cement mortars are more liable to cracking as compared to lean mortars because rich mortars have

None of above

High shrinkage

Less strength

Both (A) and (B)

TRUE ANSWER : ?
YOUR ANSWER : ?

Water retentivity for brick masonry should not be less than

70 %

50 %

80 %

60 %

TRUE ANSWER : ?
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 (ii) are correct

(i) and (iii) are correct

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

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Larger of (B) and (C)

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

Sum of thickness of both leaves

Actual thickness of the stronger leaf

TRUE ANSWER : ?
YOUR ANSWER : ?

Assertion A : Limiting value of slenderness ratio for a column is less than that of a wall.Reason R : A column can buckle around either of the two horizontal axes while a wall can buckle around only one axis.Select your answer according to the codes given below:

A is false but R is true

Both A and R is true but R is not the correct explanation of A

A is true but R is false

Both A and R is true and R is the correct explanation of A

TRUE ANSWER : ?
YOUR ANSWER : ?

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