Live Load on slab 4-5 /B-D (Two way slab) Load is transferred to beam 4, B-D in a trapezoidal form. Convert the trapezoidal load into UDL. Live Load from slab 4-5 / B-D = Live load on slab x (Lx /2) = 2.5 kN/m² x ( 1.5 m / 2) = 1.9 kN/m Total live Load Total for B-D = 1.9 kN/m -Ultimate Load Apply factor 1.4 and 1.6 to dead load and live load respectively. Dead load B-D= 12.4 kN/m x 1.4 = 17.4 kN/m Live load B-D = 1.9 kN/m x 1.6 = 3 kN/m Ultimate load B-D = 17.4 kN/m + 3 kN/m = 20.4 kN/m - Reactions = 0 ∑Mᴮ = R (2.4) ( 2.4/2) ᴰᵧ(2.4) –20.4 = 2.4 R - 58.8 ᴰᵧ R = 24.5 kN ᴰᵧ =0 ∑D ᵧ = R + Rᴮᵧ - (20.4 x 2.4) ᴰᵧ = Rᴮᵧ + 24.5 kN 49 – Rᴮᵧ = 24.5 kN
Live Load on slab 4-5 /B-D (Two way slab) Load is transferred to beam 4, B-D in a trapezoidal form. Convert the trapezoidal load into UDL. Live Load from slab 4-5 / B-D = Live load on slab x (Lx /2) = 2.5 kN/m² x ( 1.5 m / 2) = 1.9 kN/m Total live Load Total for B-D = 1.9 kN/m -Ultimate Load Apply factor 1.4 and 1.6 to dead load and live load respectively. Dead load B-D= 12.4 kN/m x 1.4 = 17.4 kN/m Live load B-D = 1.9 kN/m x 1.6 = 3 kN/m Ultimate load B-D = 17.4 kN/m + 3 kN/m = 20.4 kN/m - Reactions ∑Mᴮ = 0 = R ᴰᵧ(2.4) –20.4 (2.4) ( 2.4/2) = 2.4 R ᴰᵧ - 58.8 R ᴰᵧ = 24.5 kN ∑D ᵧ =0 = R ᴰᵧ + Rᴮᵧ - (20.4 x 2.4) = Rᴮᵧ + 24.5 kN – 49 Rᴮᵧ = 24.5 kN
quantify-dead-loads-acting-on-structure.docx