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Essential Earthquake Resistant Provisions in Masonry Buildings

The document outlines essential earthquake resistant provisions for masonry buildings, including maximum height limits, mortar mix specifications, required seismic bands, and vertical reinforcement requirements according to seismic zone and soil type. For zones III and IV, the maximum height is four stories (less than 15m) and mortar must be 1:6 cement-sand or 1:2:9 cement-lime-sand. Seismic bands are required at the lintel, roof, and plinth. Vertical reinforcement is specified based on soil type. For zone V, the maximum height is three stories (less than 12m) with mortar at 1:4 cement-sand or 1:1:6 cement-lime-sand, and seismic bands

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mamta jain
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44 views1 page

Essential Earthquake Resistant Provisions in Masonry Buildings

The document outlines essential earthquake resistant provisions for masonry buildings, including maximum height limits, mortar mix specifications, required seismic bands, and vertical reinforcement requirements according to seismic zone and soil type. For zones III and IV, the maximum height is four stories (less than 15m) and mortar must be 1:6 cement-sand or 1:2:9 cement-lime-sand. Seismic bands are required at the lintel, roof, and plinth. Vertical reinforcement is specified based on soil type. For zone V, the maximum height is three stories (less than 12m) with mortar at 1:4 cement-sand or 1:1:6 cement-lime-sand, and seismic bands

Uploaded by

mamta jain
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© © All Rights Reserved
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ESSENTIAL EARTHQUAKE RESISTANT PROVISIONS IN MASONRY BUILDINGS

Besides some other specified Earthquake Resistant construction requirements, I am giving below the most essential
requirements in the Seismic masonry codes in the following table.

Zone Max. Height Mortar Mix Seismic Bands Vertical Reinforcement


III Four Storey 1:6 Cement Sand 1. Lintel Band For Rock/Hard/Medium
(less than or 1:2:9 Cement- 2. Roof Band/Gable Band Soil -
15m) Lime-Sand 3. Plinth Band Not mandatory
For Soft Soil
-At Joints and Corners in
3&4 storeys
IV Four Storey 1:6 Cement Sand As above with higher steel For Rock/Hard/Medium/
(less than or 1:2:9 Cement- Soft Soil
15m) Lime-Sand At Joints and Corners
For Soft Soil
At Jambs and openings
V Three Storeys 1:4 Cement Sand As above 1. At Joints and Corners
(less than or 1:1:6 Cement- 2. At Jambs of openings
12m) Lime-Sand

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