IBC Design 721.1(1) 4-1.1
3-Hour Fire Rated Bonded or unbonded post-tensioned tendons in prestressed concrete — Carbonate, lightweight, sand-lightweight and siliceous.…
IBC Table 721.1(1), Item 4-1.1 (Bonded or unbonded post-tensioned tendons in prestressed concrete): protection by Carbonate, lightweight, sand-lightweight and siliceous. Unrestrained members: Beams and girders-- 8" wide Minimum insulating material thickness — 3-hr: 4-1/2" · 2-hr: 2-1/2" · 1-hr: 1-3/4". Prescriptive protection from the adopted building code — see table footnotes for conditions.
Carbonate, lightweight, sand-lightweight and siliceous. Unrestrained members: Beams and girders-- 8" wide
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- Layer-by-layer components with thicknesses
- Cross-section diagram
- Applicable code sections and test standard
- 6 related assemblies