All Listings
AS/NZS 4671 Reinforcement
Development Length - Tension
Lsy.t = 1.0 mm
Lap Length - Tension
Lsy.t.lap = 1.0 mm
Development Length - Compression
Lsy.c = 1.0 mm
Lap Length - Compression
Lsy.c.lap = 1.0 mm
Minimum cover exceeds bar diameter. Cover increased to:
cmin = 1.0 mm
Minimum bar spacing for development length increased to:
Sdev.min = 1.0 mm
Minimum bar spacing for lap length increased to:
Slap.min = 1.0 mm
General Notes
Purpose This calculator is for basic development lengths and splice lap lengths for straight reinforcement bars in tension and compression. Assumptions Only basic development length is calculated. No consideration of beneficial transverse reinforcement or pressure. Reinforcement is deformed and complies with AS 4671:2001. Splices are contact splices. Straight reinforcement bars only. k7 = 1.25 Exclusions Epoxy coated bars, Lightweight concrete, Structural elements built with slip forms, Mesh, Bundled bars.
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