IS 13920:2016 — Clause Reference

Applicability

Clause 5.2 defines when the ductile detailing provisions of IS 13920 become mandatory. All RC buildings in seismic Zones…

General Requirements for Beams

Clause 6.1 sets the dimensional and reinforcement limits for beams in ductile RC frames. Beams must have a minimum width…

Longitudinal Reinforcement in Beams

Clause 6.2 governs the arrangement and splicing of longitudinal reinforcement in seismic beams. At least two bars must b…

Transverse Reinforcement in Beams

Clause 6.3 is the most referenced provision of IS 13920, governing stirrup spacing in seismic beams. Closed-loop stirrup…

General Requirements for Columns

Clause 7.1 specifies the minimum dimensions and reinforcement limits for columns in ductile RC frames. The minimum colum…

Transverse Reinforcement in Columns

Clause 7.2 defines the transverse reinforcement requirements for columns in ductile frames. Special confining reinforcem…

Special Confining Reinforcement

Clause 7.3 provides the critical Ash formula for computing the area of special confining reinforcement in columns and bo…

Beam-Column Joint

Clause 8.1 addresses the detailing of beam-column joints, which are among the most critical regions in a seismic frame. …

Shear Walls — General Requirements

Clause 9.1 sets the minimum requirements for RC shear walls in ductile structures. The minimum thickness is 150 mm for u…

Strong Column – Weak Beam

Clause 10.1 codifies the strong-column-weak-beam (SCWB) principle, which is the cornerstone of earthquake-resistant desi…