single pile cap-450 pile
DESCRIPTION
This spreadsheet can be used to find the R/F requirements for single pile cap design.TRANSCRIPT
Sanken Project-Toyota Wattala Service Center
Job Ref.
CONSTRUCTION (PVT) LTD Section- Retaining Wall Sheet no./rev.
sky's the limit Calc. by Date Chk'd by Date App'd by Date
Pile Design -BS8110(1985) Umesh 8/27/2012 PP
Pile Diameter Required As As Provided
(mm) (100As/bd=0.75)300 530 1206400 942 1206450 1193 1608
400 ᶲ Pile
(mm2)
Sanken Project-Toyota Wattala Service Center
Job Ref.
CONSTRUCTION (PVT) LTD Section- Retaining Wall Sheet no./rev.
sky's the limit Calc. by Date Chk'd by Date App'd by Date
Pile Design -BS8110(1985) Umesh 10/9/2012 PP
1 Pile Group
Input Data: 450Pile Diameter 450 mmWidth of Pile Cap 750 mmDepth of Pile Cap 750 mm 750 ColumnWorking Load 179 kNEccentricity of load 75 mmMain Bar Diameter 12 mm Bored PileCover 75 mm
Fcu 30 750
Bending Check Check for Punching Shear Check for Vertical Line ShearPile Capacity (Working Load) = 179 kN Column Perimeter = 750 mm (Get minimum Column Dimension)
268.5 kN 0.54
.8(fcu)^.5 = 4.38
20.14 kNm 4.38
b= 750 mm Punching Shear OK Shear Stress (v=V/bd) 0.54
d= 669 mm 0.54
0.06 Check for Vertical Line Shear 1
0.132 (From Charts) 0.8
662 Shear Not Critical 1.06
As pro = 792
Hence Provide 7 T 12 (BW Top and Bottom) Design Concrete Shear 0.36Shear Not OK : Increase Depth
Horizantal Binders
25% of Main R/F = 165.58Hence provide 393 mm2 (5 T 10)
450 ᶲ Pile
N/mm2
Ultimate Load on Pile (1.5*Working Load) =
Vmax = N/mm2
N/mm2
Mult = Vallow = N/mm2
N/mm2
(100As/bd)1/3 =
M/bd2 = (400/d)1/4 =
100As/bd = 1/rm =
As Req = mm2 (fcu/25)1/3 =
mm2
N/mm2
mm2