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      New Nautilus Evo FEM Calculator

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      CONCRETE FEATURES

      Reinforcement strengh class

      NAUTILUS SLAB CHARATERISTICS

      mm

      Calculation result will be shown here

      REDUCTION PARAMETERS FOR FEM CALCULATION
      Inertia reduction I1,1 /
      Inertia reduction I2,2 /
      Inertia reduction I1,2 /
      Shear reduction S1,3 /
      Shear reduction S2,3 /
      Mass reduction /
      Modified elastic Young modulus [Mpa] /
      Voided slab self weight D4 [kN/m3] /
      Loss of inertia along x direction [%] /
      Loss of inertia along y direction [%] /
      Loss of shear resistance along x [%] /
      Loss of shear resistance along y [%] /
      Self weight saving [%] /
      NAUTILUS SLAB CHARATERISTICS
      Formwork height Hnau [mm] /
      Voided slab total thickness Ht [mm] /
      Voided slab center of gravity along x direction y,gnau,x [mm] /
      Voided slab inertia along x direction Jnau,x [cm4] /
      Voided slab inertia along x direction per meter Jnau,x [cm4/m] /
      Voided slab center of gravity along y direction y,gnau,y [mm] /
      Voided slab inertia along y direction Jnau,y [cm4] /
      Voided slab inertia along y direction per meter Jnau,y [cm4/m] /
      Full slab inertia per meter Jpiena [cm4/m] /
      Voided slab area along x direction A,nau,x [cm2] /
      Voided slab area along x direction per meter A,nau,x [cm2/m] /
      Voided slab area along y direction A,nau,y [cm2] /
      Voided slab area along y direction per meter A,nau,y [cm2/m] /
      Full slab area per meter A,piena [cm2/m] /
      Number of formwork per square meter (Voided area only) irel [pc/m2] /
      Voided slab concrete consumption Cnau [m3/m2] /
      Voided slab self weight Gk,nau [kN/m2] /
      Full slab self weight Gk,FS [kN/m2] /
      CONCRETE FEATURES
      Partial factor γc 1.5
      Charateristic compressive cylinder compressive strenght fck [MPa] /
      Mean value of concrete cylinder compressive strenght fcm [MPa] /
      Design value of concrete compressive strenght fcd [MPa] /
      Mean value of axial tensile strenght fctm [MPa] /
      Charateristic axial tensile strengh fctk [MPa] /
      Design value of concrete tensile strenght fctd [MPa] /
      Mean value of bending tensile strenght fcfm [MPa] /
      Design value of concrete flexile strenght fcfk [MPa] /
      Design value for shear tcd [MPa] /
      Secant modulus of elasticity of concrete Ecm [MPa] /
      STEEL CHARACTERISTICS
      Partial factor γa 1.15
      Charateristic yield strenght of reinforcement fyk [MPa] /
      Design yield strenght of reinforcement fyd [MPa] /
      Tensile strengh of reinforcement ft [MPa] /
      Secant modulus of elasticity of reinforcement Ecm [MPa] 210000
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