Floating Columns in IS 1893 explained simply—see when they are prohibited, how Amendment No. 2 changed the rule, and why designers should avoid them.
Floating Columns in IS 1893: Are They Permitted? Read More »
Re-entrant Corners in Seismic Design explained simply: learn why L-shaped buildings are vulnerable in earthquakes and how IS 1893 treats this plan irregularity.
Re-entrant Corners in Seismic Design Explained Read More »
Torsional Irregularity in Buildings explained using IS 1893 Table 5 and Clause 7.8. Learn displacement checks, eccentricity rules, and design impact.
Torsional Irregularity in Buildings as per IS 1893 Read More »
Vertical Irregularities in IS 1893 explained simply—soft storey, weak storey, mass irregularity and floating columns with amendment updates.
Vertical Irregularities in IS 1893 Explained Read More »
Plan Irregularities in IS 1893 explained simply—learn torsion, re-entrant corners, cut-outs, and non-parallel systems using Table 5.
Plan Irregularities in IS 1893 Explained Clearly Read More »
Modal Combination in Response Spectrum Analysis explained simply—learn CQC, closely spaced modes, SRSS limits, and how IS 1893 treats modal response.
Modal Combination in Response Spectrum Analysis Explained Read More »
Rigid vs Flexible Diaphragm in IS 1893 explained simply—learn code rules, slab openings, force transfer, and why wrong diaphragm assumptions cause trouble.
Rigid vs Flexible Diaphragm in IS 1893 Explained Read More »
Vertical Distribution of Base Shear in IS 1893 explained simply—learn the Qi formula, floor force distribution, and storey shear with practical clarity.
Vertical Distribution of Base Shear in IS 1893 Read More »
Approximate Natural Period Ta in IS 1893 explained clearly for MRF, wall buildings, and all other buildings, with formulas, logic, and examples.
Approximate Natural Period Ta in IS 1893 Explained Read More »
Dynamic Analysis Method in IS 1893 explained clearly: Response Spectrum vs Time History, code triggers, scaling rules, and practical design guidance.
Dynamic Analysis Method in IS 1893 Explained Read More »