A free standing brick wall 20 cm thick is subjected to a wind pressure of 75 kg/m2. The maximum height of wall from stability consideration is
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Civil Engineering · all questionsDesign Of Masonry Structures
Design Of Masonry Structures
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For masonry work with solid bricks, consistency of mortar should be
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Minimum thickness of stiffening wall for 1 to 3 storeys shall not be less than
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The thickness of each leaf of a cavity wall shall not be less than
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Water retentivity for brick masonry should not be less than
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For earthquake resistant masonry buildings, the vertical distance between openings one above the other in a load bearing wall shall not be less than
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For earthquake resistant masonry buildings, where seismic coefficient is less than 0.08, the horizontal distance between two openings shall not be less than
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In the case of panel wall subjected to horizontal loads at right angles to the plane of the wall, with the mortar not leaner than M1 type, tensile stress in bending in the vertical direction may be allowed to the extent of
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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) 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
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Consider the following statements:
A high lime content in a composite cement-lime mortar results in
(i) Slow hardening
(ii) Quick setting
(iii) Weaker mortar
A high lime content in a composite cement-lime mortar results in
(i) Slow hardening
(ii) Quick setting
(iii) Weaker mortar
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For strengthening a 50 m long and 5 m high straight compound wall built in brick work, which one of the following would be most suitable?
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Assertion A: For eccentricity ratio exceeding , effective thickness of masonry will get reduced.
Reason R: For eccentricity ratio exceeding , there will be tension on one side of the member.
Select your answer according to the codes give below:
Reason R: For eccentricity ratio exceeding , there will be tension on one side of the member.
Select your answer according to the codes give below:
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Consider the following statements regarding bands to be provided for strengthening masonry work in masonry buildings constructed in zone III, IV and V.
(i) Lintel band is provided at lintel level on partition walls,
(ii) Gable band is provided at top of gable masonry below the purlins,
(iii) The bands shall be to full width of the wall and not less than 7.5 cm in depth,
(iv) The bands shall be made of reinforced concrete only.
of these statements, the correct statements are
(i) Lintel band is provided at lintel level on partition walls,
(ii) Gable band is provided at top of gable masonry below the purlins,
(iii) The bands shall be to full width of the wall and not less than 7.5 cm in depth,
(iv) The bands shall be made of reinforced concrete only.
of these statements, the correct statements are
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Consider the following statements regarding provision of chases in masonry,
(i) No chase should be permitted in a half brick load-bearing wall,
(ii) Vertical chases should not be closer than 2 m in any stretch of a wall,
(iii) Chases should be provided near to bearings of beams and lintels.
(i) No chase should be permitted in a half brick load-bearing wall,
(ii) Vertical chases should not be closer than 2 m in any stretch of a wall,
(iii) Chases should be provided near to bearings of beams and lintels.
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The basic stress in masonry units having height to width ratio of 1.5 may be increased by a factor of
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Minimum compressive strength in N/mm2 for H1 type mortar used for masonry is
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For designing masonry components of a structure, seismic forces provision in the design calculation is not necessary for buildings constructed in
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A 200 mm thick wall made of modular bricks is 5 m long between cross walls and 3.8 m clear height between RCC slabs at top and bottom. The slenderness ratio of the wall is
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In a cavity wall, both leaves of which are load bearing, the effective thickness is taken as
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The mode of failure of a very short masonry member having h/t ratio of less than 4 is by
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