Column Design (WSD) Axially Loaded

Proj. Name: 2 - Storey Resd'l. Bldg. General Description:Location: Lolita Village, Brgy. Caibaan, Tac. City ColumnClient: Pitao BLDesigner: Pitao BLDate: 2/7/2008

AXIALLY LOADED COLUMN (WSD)

TIED COLUMNS:

Given: fc' : 2,500.00 Psi Beam Dimension: 17.24 Mpa b d

fc = 4.31 Mpa Beam # 1 300.00 300.00 fs : 30,000.00 Psi Beam # 2 250.00 300.00

206.90 Mpa Length WidthSlab 3.00 3.25

DEADLOAD: Thickness 0.10 meterBEAM: 12,184.02 Newton Wall Ht. 2.6 meterSLAB: 22,955.40 Newton Col. Dimen. 0.25 meterWALL: 38,259.00 Newton Col.Height 7.25 meterColumn: 10,668.38 Newton Roofing 4.00 4.5Roofing 43,200.00 NewtonTOTAL: 127,266.80 NewtonSiesmic Load: 31,816.70

LIVELOAD: 2,400.00 23,400.00 Newton

TOTAL LOAD: P 272,041.90 Newton

1963 ACI Code:

P = 0.85Ag(0.25fc'+fsPg)6 pcs.

Pg = As/Ag Ranges = .01 -.04 16 diam. Bars

Ag = P/.85(0.25fc'+fsPg) 246.00mm.

Assumed: Pg : 0.02Ag = 61,364.82 sq. mm.

d = 247.72 mm.246.00

As=AgPg 1,227.30 sq. mm. mm.

No. of Bars Bar. Diameter Area, sq.mm 6.00 16 201.06

Check for P: 10 mm dia.@ 25 mm. o.c.No. of Bars Bar. Dia. Area, sq.mm.

Use: 6.00 16 1206.34

Pg = As/Ag 0.01966 IF Pg > .01 < 0.4, SAFE KAAYO NA BAY!!!!

Pc = 0.85Ag(0.25fc'+fsPg) 436,976.76 NewtonIF Pc > P, SAFE NA BAY!!!

SPACING OF TIES (ACI Code Specs)Lateral Ties: 10 mma.) S < = 16 bar diameter 256 mm.b.) S < = 48 tie diameter 480 mm.c.) S < = Least Dimension 245.59 mm.

Use: 10 mm diam. Lateral Ties Sp. 246 mm. on center

Ag = As/Pg 60,316.80 sq.mm.d = 245.59 mm.

Use: 246.00 mm Square Column