Design Report
Project : Building Modification
Description: New dooropenings on load bearing wall
Client: Dhr. M. Hooijmans, Franseweg 57, 4651GE, Steenbergen
Date: 2021.06.20
Existing Wall Specifications
Wall A – North Side
Wall thickness = 237 mm
Length = 3491 mm
Height = 2400mm
Wall B – South Side
Wall thickness = 237 mm
Length = 3891 mm
Height = 2400mm
Wall Type : Cavity Wall –2 number of 100mm Brick with air gap
Load Bearing Wall
ExpectedDoorOperning
Length = 900 mm
Height = 2200mm
Loading
Impose Load Domestic : 1.5 kN/m2
Floors : 0.5 kN/m2
Total Load from Floor = 2 kN/m2
Roof: 1.2 kN/m2
Snow/People Accessing to Roof/Wind = 0.75 kN/m2
Total Load from Floor = 1.95 kN/m2
Wall Above = 20 kN/m3 x 0.237 = 4.74 kN/m2
LOADINGS SUMMERY
ROOF = 2 kN/m2
FLOOR = 1.95 kN/m2
WALL = 4.74 kN/m2
FLOOR = 2 kN/m2 x 2.785 m = 5.57 kN/m
ROOF = 1.95 kN/m2 x 2.785 m = 5.43 kN/m
WALL = 4.74 kN/m2 x 0.5 m = 2.37 kN/m
UDL ON BEAM = 5.57 kN/m + 5.43 kN/m + 2.37 kN/m
= 13.37 kN/m
F.O.S = 1.5
TOTAL UDL ON BEAM = 20.1 kN/m
POINT LOAD FROM ROOF = 5 kN
F.O.S = 1.5
TOTAL POINT LOAD = 5 kN x 1.5
= 7.5 kN
BEAM DESIGN
ASSUMED BEAM : HE160A
LENGTH : 1.2m
END CONDITIONS : PIN, ROLLER
LOADING DIAGRAME
SUPPORT REACTIONS : R1 AND R2
∑Fx=0
R1 + R2 = 20.1 kN/m x 1.2 m + 7.5 Kn _____ (1)
∑Mx=0
R2 x 1.2 m = 20.1 kN/m x 1.2 m x 0.6 m + 7.5 kN x 0.15 m _____ (2)
From (1) and (2) equations;
R1 = 18.623 kN
R2 = 12.998 kN
SUPPORT REACTIONDIAGRAME
BENDING MOMENT DIAGRAME
SHEAR FORCEDIAGRAME
Result Max Min
Bending Moment MA 4.2 kNm 0 kNm
Shear VA 18.622 kN -12.998 kN
Displacement DA 0 mm -0.321 mm
Design properties of HE160A profiles for S355 steel class
Bending
Mc,y,Rd = 88.0
Buckling Resistance Moment Mb,Rd for 1.2m = 86.4 kNm > MA ______OK
Design shear resistance Vc,Rd = 238 kN > VA ______OK
Deflection Check = Span/360 = 0.9m /360 = 2.5mm > DA ______OK
Ix,req = 2.24 x W x L3
= 2.24 x 13.37 x 1.23
= 51.75 cm4
Second Moment of Area Ix = 1670 cm4 > Ix,req ______OK
HENCE, HE160ABEAM CAN BE USED FOR BOTH DOOR A AND B.

Design report

  • 1.
    Design Report Project :Building Modification Description: New dooropenings on load bearing wall Client: Dhr. M. Hooijmans, Franseweg 57, 4651GE, Steenbergen Date: 2021.06.20
  • 2.
    Existing Wall Specifications WallA – North Side Wall thickness = 237 mm Length = 3491 mm Height = 2400mm Wall B – South Side Wall thickness = 237 mm Length = 3891 mm Height = 2400mm Wall Type : Cavity Wall –2 number of 100mm Brick with air gap Load Bearing Wall ExpectedDoorOperning Length = 900 mm Height = 2200mm
  • 3.
    Loading Impose Load Domestic: 1.5 kN/m2 Floors : 0.5 kN/m2 Total Load from Floor = 2 kN/m2 Roof: 1.2 kN/m2 Snow/People Accessing to Roof/Wind = 0.75 kN/m2 Total Load from Floor = 1.95 kN/m2 Wall Above = 20 kN/m3 x 0.237 = 4.74 kN/m2
  • 4.
    LOADINGS SUMMERY ROOF =2 kN/m2 FLOOR = 1.95 kN/m2 WALL = 4.74 kN/m2 FLOOR = 2 kN/m2 x 2.785 m = 5.57 kN/m ROOF = 1.95 kN/m2 x 2.785 m = 5.43 kN/m WALL = 4.74 kN/m2 x 0.5 m = 2.37 kN/m UDL ON BEAM = 5.57 kN/m + 5.43 kN/m + 2.37 kN/m = 13.37 kN/m F.O.S = 1.5 TOTAL UDL ON BEAM = 20.1 kN/m POINT LOAD FROM ROOF = 5 kN F.O.S = 1.5 TOTAL POINT LOAD = 5 kN x 1.5 = 7.5 kN
  • 5.
    BEAM DESIGN ASSUMED BEAM: HE160A LENGTH : 1.2m END CONDITIONS : PIN, ROLLER LOADING DIAGRAME SUPPORT REACTIONS : R1 AND R2 ∑Fx=0 R1 + R2 = 20.1 kN/m x 1.2 m + 7.5 Kn _____ (1) ∑Mx=0 R2 x 1.2 m = 20.1 kN/m x 1.2 m x 0.6 m + 7.5 kN x 0.15 m _____ (2) From (1) and (2) equations; R1 = 18.623 kN R2 = 12.998 kN
  • 6.
  • 7.
    SHEAR FORCEDIAGRAME Result MaxMin Bending Moment MA 4.2 kNm 0 kNm Shear VA 18.622 kN -12.998 kN Displacement DA 0 mm -0.321 mm Design properties of HE160A profiles for S355 steel class Bending Mc,y,Rd = 88.0 Buckling Resistance Moment Mb,Rd for 1.2m = 86.4 kNm > MA ______OK Design shear resistance Vc,Rd = 238 kN > VA ______OK Deflection Check = Span/360 = 0.9m /360 = 2.5mm > DA ______OK Ix,req = 2.24 x W x L3 = 2.24 x 13.37 x 1.23 = 51.75 cm4 Second Moment of Area Ix = 1670 cm4 > Ix,req ______OK HENCE, HE160ABEAM CAN BE USED FOR BOTH DOOR A AND B.