Tuesday, October 18, 2011
Sunday, October 16, 2011
Tuesday, September 20, 2011
Allowable Stresses in Dimensional Lumber
Joists: Floor and Roof 2'' x 8''
Species: D, F South
Grade: No 1
E: 1,300,000 psi
F'b (Floor) = Fb x Cf x Cr x Cfu = 1277 psi
F'b (Roof) = Fb x Cf x Cr x Cfu = 1064 psi
F'v = Fv = 180
Beams: 4'' x 8''
Species: D, F South
Grade: S, S
E: 1,400,000
F'b = Fb x Cf x Cfu = 1843 psi
F'v = Fv = 180
Headers: 2'' x10''
Species: D, F South
Grade: No 1
E : 1,300,000 psi
F'b = Fb x Cf x Cfu = 1221 psi
F'v = Fv = 180
Studs: 2'' x 6''
Species: D, F South
Grade: Stud
E : 1,100,000 psi
F'b = Fb x Cf x Cr = 1009 psi
F'c = Fc = 830 psi
Posts - Columns: 4'' x 4''
Species: D, F South
Grade: No 1
E : 1,300,000 psi
F'b = Fb x Cf = 925 psi
F'c = Fc = 1450 psi
Species: D, F South
Grade: No 1
E: 1,300,000 psi
F'b (Floor) = Fb x Cf x Cr x Cfu = 1277 psi
F'b (Roof) = Fb x Cf x Cr x Cfu = 1064 psi
F'v = Fv = 180
Beams: 4'' x 8''
Species: D, F South
Grade: S, S
E: 1,400,000
F'b = Fb x Cf x Cfu = 1843 psi
F'v = Fv = 180
Headers: 2'' x10''
Species: D, F South
Grade: No 1
E : 1,300,000 psi
F'b = Fb x Cf x Cfu = 1221 psi
F'v = Fv = 180
Studs: 2'' x 6''
Species: D, F South
Grade: Stud
E : 1,100,000 psi
F'b = Fb x Cf x Cr = 1009 psi
F'c = Fc = 830 psi
Posts - Columns: 4'' x 4''
Species: D, F South
Grade: No 1
E : 1,300,000 psi
F'b = Fb x Cf = 925 psi
F'c = Fc = 1450 psi
Tuesday, September 13, 2011
Dead Loads
Dead Load Calculations:
Exterior Wall and Window Wall Weight: 11 psf 43,072 lbs.
Interior Wall Weight: 4.5 psf 4,343 lbs.
Wood Floors: 8.6 psf 24,080 lbs.
Roof: 10.1 psf 25,250 lbs.
Wood Beams: 5 lbs./ lin. ft. 2,078 lbs.
Wood Columns: 5 lbs./ lin. ft. 630 lbs.
Steel Columns (2.5" round steel pipe): 8 lbs./ lin. ft. 504 lbs.
Concrete Floor 6" thick (Basement): 75 psf 137,328 lbs.
Foundation Walls 8" thick: 60 lbs./ lin. ft. 14,139 lbs.
Column Footings 8" thick: 100 lbs./ lin. ft. 2,800 lbs.
Wall Footings 8" thick: 100 lbs./ lin. ft. 23,565 lbs.
____________________________________________________________________________________
Weight Above Ground: 99,453 lbs.
Weight Below Ground: 178,336 lbs.
Total Weight of Building: 277,789 lbs.
Square Footage Above Ground (including Roof): 5,300 sq. ft.
Average Dead Load Above Ground: 99453 lbs./ 5300 sq. ft.= 18.8 psf
Wednesday, August 31, 2011
Live Loads
All areas including stairs and balconies: 40 psf
No Attic: 0 psf
Roof (Sloped Roof in Non-Snowy Climate): 20 psf
No Attic: 0 psf
Roof (Sloped Roof in Non-Snowy Climate): 20 psf
Tuesday, August 30, 2011
Framing and Member Sizing:
Framing: Basement
Framing: 1st Floor
Framing: 2nd Floor
Framing: Roof
Framing: Section 1
Framing: Section 2Member Sizing:
Studs: 2x6 16"O.C.
Beams: Span 12': 4x8
Floor Joists: Span 11': 2x8 16"O.C.
Roof Joists: Span 11': 2x8 16"O.C.
Columns: 4x4
Beams for Window Wall: Span 7': 4x6
Columns for Window Wall: 4x4
Concrete for Foudation Wall: 10" thick
Footing: 2' wide x 8" thick
OSB: 7/16 for the walls, 5/8 for the floors and roof
Saturday, August 27, 2011
RainShine House by Robert M. Cain
Summary:
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*Pictures from: http://www.chictip.com and http://www.customhomeonline.com
- Name: RainShine House
- Architect: Robert M. Cain
- Awards: Platinum LEED
- Location: Decatur, Georgia
- Area: 2800 sq feet
- Features: Butterfly roof, rain harvest system, photovoltaic system & extensive glazing to capture natural light
*Pictures from: http://www.chictip.com and http://www.customhomeonline.com
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