002-000-PDF-566 (015311) EPF-0027 Rev 7 (1-Mar-10) Corporate Base 2 Design of ramp Grade of concrete = 40 MPa Grade of steel = 500 MPa Length of the footing by the walls = 5.10 m Width of the footing = 1750.0 Depth of the ramp = 1500 mm Design for flexure Ramp will be simply supported on the footing Effective span = 5.10 m Cl.5.3.2.2, EN1992-1-1 Allowable load on footing= Allowable load on crane pad X 2 = 218.75 X 2= 437.5 t Allowable udl = 857.84 kN/m Self weight of ramp = 65.63 kN/m Total load, w = Allowable SPMT load as udl + selfweight of the ra = 1256.53 kN/m = 4085.28 kNm = 3204.14 kN Design is carried out as per Eurocode 2, K = 0.0259 Considering 0% redistribution, K' = 0.208 Since K<K', no compression reinforcement is required. Lever arm, z = 1464.84 mm Tension reinforcement, Ast = 6411.24377 mm2 Minimum area of steel reinforcement = 4777.5 mm2 Maxmimum area of steel reinforcement = 2625000 mm2 Spacing of 32 mm bars = 219.525814 mm Provide 32 mm bars at 200 mm centre to centre at bottom. Ast, provided = 7037.16754 mm2 Bending moment, M =wleff 2 /8 Max shear force, Vmax = wleff/2
Width of the footing=1750.0Depth of the ramp=1500mm
Design for flexureRamp will be simply supported on the
footingEffective span=5.10mCl.5.3.2.2, EN1992-1-1Allowable load on
footing F=Allowable load on crane pad X 2=218.75X2=437.5tAllowable
udl=857.84kN/mSelf weight of ramp=65.63kN/mTotal load, w =
Allowable SPMT load as udl + selfweight of the
ramp=1256.53kN/mBending moment, M =wleff2/8=4085.28kNmMax shear
force, Vmax = wleff/2=3204.14kNDesign is carried out as per
Eurocode 2,K=0.0259Considering 0% redistribution, K'=0.208Since
K
