Rebar Dhulka Xoolaha ee Concrete Structures | Steel Rebar Ka Midnimo

Qofka dhexeeya ah ee xirfadda taageerka waxaa lagu yeero qofka dhexeeya ah ee xirfadda taageerka, material composite kuwaas oo ku saabsan tensile strength ee steel waxaad ka mid ahayd compressive strength ee xirfadda. Kuwaas oo uu ugu yarreeyey inuu soo baxaan carbon ama alloy steels meelkaas oo ay ku sameyn karaan yield strengths 235–600 MPa, oo ku yaal deformations (ribs, lugs) si aad uga tagto mechanical interlock leh xirfadda, governed by standards like ISO 6935 2 (minimum rib height 0.5mm, spacing 15–20mm). Xusuusooyinka ah waxaa la abaalno: 1) bond strength: calculated using empirical formulas (e.g., τ = 0.2√f’c for normal weight concrete); 2) corrosion protection: concrete cover thickness (20–50mm) iyo coatings (epoxy, galvanized) for chloride laden environments; 3) detailing rules: lap splice lengths (40–60d based on grade and concrete strength). Dhibaatooyinka caafimaad ah ay ku raac doonaa markii hore ee residential slabs (8–16mm rebars) si aad ugu yeero industrial floors (20–32mm rebars), design codes ay ku sameyn doonaa minimum reinforcement ratios (e.g., 0.18% for slabs in ACI 318). Quality control waxaad ka sheegi doontaa compliance with ductility (elongation ≥16%), weldability (carbon equivalent ≤0.5%), iyo dimensional accuracy (diameter tolerance ±0.4mm for 20mm rebars). Suppliers waxaa ku yidhi technical support for rebar detailing software (AutoCAD Rebar, Tekla Structures), si aad ugu yarreysaa engineers in uu soo socdaan reinforcement layouts to meet serviceability (crack width ≤0.3mm) iyo ultimate limit state requirements, ensuring the longevity and safety of concrete structures worldwide.