Lap Splice & Development Length Checker

Verify compliance with IS 456 and IS 13920 for splice locations, staggered overlaps, and congestion limits.

Bar Diameter (mm)

16 mm

Concrete Grade

M25

Steel Grade (TMT)

Fe 500 / 500D

Stress Zone / Member

Flexural Tension (e.g. Beams/Slabs)

% of Bars Lapped at Section

≤ 50% (Class A / Standard)

Bundled Bars Configuration

Single Bar

IS 13920 Seismic ZoneTop Bar (Clear cover < 2d)Corner Bar at external joint

Input dimensions to check if lapping causes honeycombing risks due to lack of clear gap.

Member Width (mm)

Number of Lapped Bars in Layer