Design Report of Formwork on Revitalization of Stone Houses Into Stone Houses Family Garden Rev. 0
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Design Report, Formwork designTimber Formwork, Concrete FormworkTimber bending and shear calculationFalsework checking
Transcript of Design Report of Formwork on Revitalization of Stone Houses Into Stone Houses Family Garden Rev. 0
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Design Report for Formwork at Revitalization of Stone Houses into Stone Houses Family Garden Rev. 0
Contents
1. Design Synopsis
2. Design Assumptions and Data
3. Loading Data 4. Formworks Design of Slab for 1/F (Roof)_Block 1
5. Formworks Design of Beam for 1/F (Roof)_Block 1
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Design Report for Formwork at Revitalization of Stone Houses into Stone Houses Family Garden Rev. 0
1. Design Synopsis It is contain the structural design with calculation supporting steel scaffold and temporary works of formwork for Revitalization of Stone Houses into Stone Houses Family Garden 1/F Roof Block 1
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Design Report for Formwork at Revitalization of Stone Houses into Stone Houses Family Garden Rev. 0
2. Design Assumptions & Data 1. The design of elements is in accordance with Code of Practice for Structural Use
of Steel 2005 and Building (construction) Regulation ;
2. The Formwork Design is in accordance with CIRIA Report No. 108 ;
3. Calculations are based on limit state design ;
4. All design of plywood is adopted 18 mm thickness ; 5. All design of timber hardwood for slab is adopted 50 x 100 mm class SC4 ; 6. All design of timber hardwood for beam is adopted 50 x 150 mm class SC4 ; 7. Formwork design of 175 mm THK or lesser slab
Adopted 1 no. of secondary barrier with 500 mm c/c Adopted 2 no. of primary barrier with 1219 mm c/c ;
8. Formwork design of 1600 mm depth or lesser beam Adopted 1 no. of secondary barrier with 250 mm c/c Adopted 2 no. of primary barrier with 1219 mm c/c ;
9. Steel Scaffold Capacity = 25 kN per leg
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Design Report for Formwork at Revitalization of Stone Houses into Stone Houses Family Garden Rev. 0
3. Loading Data 1. Dead Load :
Steel 7850 kg/m3 Concrete 2450 kg/m3
2. Live Load : Construction Load 1.5kPa
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Design Report for Formwork at Revitalization of Stone Houses into Stone Houses Family Garden Rev. 0
4. Formworks Design of Slab for 1/F (Roof)_Block 1
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Design Report for Formwork at Revitalization of Stone Houses into Stone Houses Family Garden Rev. 0
Design of Plywood (18mm THK) _ Slab Design
Slab Thickness = 175 mm Design Span, L = 500 mm Loading: Construction Load = 1.5 kPa Concrete = 4.288 kPa Design Loading, w = 5.788 kPa Moment, M = W x L2 / 8 = 0.18 kNm/m Bending Stress, fbc = M / Z = 3.33 < 12.1 MPa OK! Shear, S = W x L / 2 = 1.45 kN/m Shear Stress, fq = S / (B x D) = 0.081 MPa < 0.585 MPa OK! Deflection = 5 x w x l4 / (384 x E x I) = 1.56 mm < L / 270 OK! Allowable Deflection = 1.85 mm
; Z = bd2 / 6
= 1000 x 18 x 18 / 6
= 54000 mm3
; B = 18 mm
D = 1000 mm
; E = 6214 MPa
I = bd3/12
= 1000 x 183/12
= 486000mm4
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Design Report for Formwork at Revitalization of Stone Houses into Stone Houses Family Garden Rev. 0
Secondary Timber Hardwood Design (50 x 100d) _ Slab Design
Max Spacing = 175 mm Design Span, L = 500 mm Section Properties: I = b d3 / 12 = 50 x 100 x 100 x 100 / 12 = 4166666.67 mm4 Z = b d2 / 6 = 50 x 100 x 100 / 6 = 83333.33 mm3 Design Pressure = 5.79 kPa Design Load = 2.90 kN/m (Design Pressure x Load Width) Moment, M = W x L2 / 8 = 0.54 kNm/m Bending Stress, fbc = M / Z = 6.48 MPa < 8.4 MPa OK! Shear, S = W x L / 2 = 1.77 kN/m Shear Stress, fq = S / (B x D) = 0.354 MPa < 0.9 MPa OK!
; B = 50 mm
D = 100 mm
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Design Report for Formwork at Revitalization of Stone Houses into Stone Houses Family Garden Rev. 0
Deflection = 5 x w x l4 / (384 x E x I) = 2.53 mm < L / 270 OK! Allowable Deflection = 4.51 mm
; E = 7900 MPa
I = bd3/12
= 50 x 1003/12
= 4166667mm4
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Design Report for Formwork at Revitalization of Stone Houses into Stone Houses Family Garden Rev. 0
Primary Timber Hardwood Design (50 x 100d) _ Slab Design
Max Spacing = 1219 mm No. of Member = 2 Nos. Design Span, L = 1219 mm Section Properties (Each): I = b d3 / 12 = 50 x 100 x 100 x 100 / 12 = 4166666.67 mm4 Z = b d2 / 6 = 50 x 100 x 100 / 6 = 83333.33 mm3 Design Load, P = 3.54 kN/m W = 2.9 kN/m Moment, M = W x L2 / 8 = 0.54 kNm/m Bending Stress, fbc = M / (Z x Nos. of Member) = 3.24 MPa < 8.4 MPa OK! Shear, S = W x L / 2 = 1.78 kN/m
Reaction from the secondary timer
Assume UDL, P / Load Width
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Design Report for Formwork at Revitalization of Stone Houses into Stone Houses Family Garden Rev. 0
Shear Stress, fq = S / (B x D x Nos. of Member) = 0.178 MPa < 0.9 MPa OK! Deflection = 5 x w x l4 / (384 x E x I) = 2.53 mm < L / 270 OK! Allowable Deflection = 4.51 mm
; B = 50 mm
D = 100 mm
; E = 7900 MPa
I = bd3/12
= 50 x 1003/12
= 4166667mm4
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Design Report for Formwork at Revitalization of Stone Houses into Stone Houses Family Garden Rev. 0
Design of Steel Scaffold Use Light Duty Scaffold Max. Leg Loads = 25 kN per Leg-Frame Max. Design Load, N = DL + LL + Formwork
N = 2.9 x 1.219 N = 3.54 kN < 25 kN
Design Summary - Max. Secondary Timber Hardwood is 500 mm c/c - Max. Primary Timber Hardwood is 1219 mm c/c - 18 mm thick plywood is adopted
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Design Report for Formwork at Revitalization of Stone Houses into Stone Houses Family Garden Rev. 0
5. Formworks Design of Beam for 1/F (Roof)_Block 1
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Design Report for Formwork at Revitalization of Stone Houses into Stone Houses Family Garden Rev. 0
Design of Plywood (18mm THK) _ Beam Design
Slab Thickness = 1600 mm Design Span, L = 250 mm Loading: Construction Load = 1.5 kPa Concrete = 39.2 kPa Design Loading, w = 40.7 kPa Moment, M = W x L2 / 8 = 0.32 kNm/m Bending Stress, fbc = M / Z = 5.96 < 12.1 MPa OK! Shear, S = W x L / 2 = 5.1 kN/m Shear Stress, fq = S / (B x D) = 0.28 MPa < 0.585 MPa OK! Deflection = 5 x w x l4 / (384 x E x I) = 0.69 mm < L / 270 OK! Allowable Deflection = 0.93 mm
; Z = bd2 / 6
= 1000 x 18 x 18 / 6
= 54000 mm3
; B = 18 mm
D = 1000 mm
; E = 6214 MPa
I = bd3/12
= 1000 x 183/12
= 486000mm4
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Design Report for Formwork at Revitalization of Stone Houses into Stone Houses Family Garden Rev. 0
Secondary Timber Hardwood Design (50 x 150d)_Beam Design
Max Spacing = 250 mm Design Span, L = 1219 mm Section Properties: I = b d3 / 12 = 50 x 150 x 150 x 10 / 12 = 14062500 mm4 Z = b d2 / 6 = 50 x 150 x 150 / 6 = 1875000 mm3 Design Pressure = 40.7 kPa Design Load = 10.18 kN/m (Design Pressure x Load Width) Moment, M = W x L2 / 8 = 1.9 kNm/m Bending Stress, fbc = M / Z = 1.02 MPa < 8.4 MPa OK! Shear, S = W x L / 2 = 6.2 kN/m Shear Stress, fq = S / (B x D) = 0.8 MPa < 0.9 MPa OK!
; B = 50 mm
D = 150 mm
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Design Report for Formwork at Revitalization of Stone Houses into Stone Houses Family Garden Rev. 0
Deflection = 5 x w x l4 / (384 x E x I) = 2.62 mm < L / 270 OK! Allowable Deflection = 4.51 mm
; E = 7900 MPa
I = bd3/12
= 50 x 1503/12
= 14062500mm4
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Design Report for Formwork at Revitalization of Stone Houses into Stone Houses Family Garden Rev. 0
Primary Timber Hardwood Design (50 x 150d) _ Beam Design
Max Spacing = 1219 mm No. of Member = 2 Nos. Design Span, L = 1219 mm Section Properties (Each): I = b d3 / 12 = 50 x 150 x 150 x 150 / 12 = 14062500 mm4 Z = b d2 / 6 = 50 x 150 x 150 / 6 = 1875000 mm3 Design Load, P = 12.4 kN/m W = 10.8 kN/m Moment, M = W x L2 / 8 = 1.9 kNm/m Bending Stress, fbc = M / (Z x Nos. of Member) = 0.57 MPa < 8.4 MPa OK! Shear, S = W x L / 2 = 6.2 kN/m
Reaction from the secondary timer
Assume UDL, P / Load Width
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Design Report for Formwork at Revitalization of Stone Houses into Stone Houses Family Garden Rev. 0
Shear Stress, fq = S / (B x D x Nos. of Member) = 0.41 MPa < 0.9 MPa OK! Deflection = 5 x w x l4 / (384 x E x I) = 1.31 mm < L / 270 OK! Allowable Deflection = 4.51 mm
; B = 50 mm
D = 150 mm
; E = 7900 MPa
I = bd3/12
= 50 x 1503/12
= 14062500mm4
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Design Report for Formwork at Revitalization of Stone Houses into Stone Houses Family Garden Rev. 0
Design of Steel Scaffold Use Light Duty Scaffold Max. Leg Loads = 25 kN per Leg-Frame Max. Design Load, N = DL + LL + Formwork
N = 10.8 x 1.219 N = 13.17 kN < 25 kN
Design Summary - Max. Secondary Timber Hardwood is 250 mm c/c - Max. Primary Timber Hardwood is 1219 mm c/c - 18 mm thick plywood is adopted
