The IS code for design of masonry structures is:
Choose the correct answer
IS 456 (for reinforced concrete only)
IS 1905:1987 (Structural Use of Unreinforced Masonry) and IS 4326 (seismic masonry)
IS 800 (structural steel only)
IS 3370 (liquid retaining structures)
Correct Answer
B. IS 1905:1987 (Structural Use of Unreinforced Masonry) and IS 4326 (seismic masonry)
Why is this the answer?
IS 1905:1987 (Code of Practice for Structural Use of Unreinforced Masonry): Design of load-bearing masonry walls. IS 4326: Earthquake resistant masonry. IS 2212: Code for brickwork. SP 20 (S&T): Handbook on masonry design (explanatory for IS 1905). Key concept: basic compressive stress of masonry depends on unit strength and mortar grade.
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