It provides visual maps of crack patterns and widths across plates, shells, and walls, allowing engineers to identify critical areas quickly. Why Avoid "Crack" Versions
SCIA Engineer provides several tools to refine your SLS checks: Nemetschek Scia Engineer V Crack Pull
The software evaluates crack control by analyzing how tensile stresses are distributed between the concrete and reinforcement. SCIA Engineer Tension Stiffening: It provides visual maps of crack patterns and
Determines the primary "pull" or shear stress on the section. sigma sub c t comma m a x end-sub Max tensile stress If this exceeds the concrete's tensile strength ( f sub c t comma e f f end-sub ), cracks are calculated. Inner lever arm Distance between compression and tension chords. cap A sub s l end-sub Tensile reinforcement area Essential for limiting the width of the "pull" effect. Report Warnings & Errors sigma sub c t comma m a x
Perform the initial analysis to obtain internal forces.
If your checks are failing, consider these standard engineering "tricks" that can be easily modeled in SCIA:
: Tension stiffening occurs because of the bond between the rebar and concrete. As the rebar is "pulled" under tension, it slips slightly relative to the concrete near the crack faces. Coefficient : SCIA Engineer uses a factor, , to account for the duration of the load on this bond: Short-term loading : Long-term loading : Effective Area ( Ac,effcap A sub c comma e f f end-sub