Bored Pile Calculation

BORED PILE ANALYSIS
Site ID : Tower Owner: PT. INDOSAT, Tbk Site Location: Cipayung (Mandor Hasan), Cipayung Tower Type : SST 42M FOUR LEG GF (LIGHT DUTY) bp = 0.55

A. DIMENSION DATA
Fx Fy ht =

ℓp = 0.55 0.5

htb = htbe = h= 1.1

0.4 btb = 0.15 0.2

hw = hfp = 0.4

10

Lp = 10.9

Data Input Dimensi hal.1

B. CONCRETE DATA
Compressive Strength for Pilecap Compressive Strength of Pile Concrete Density Weight of each Pile Allowable Tension Force of Pile Capacity Depth of Water Table from Ground Surface Thickness of Concrete Cover

f'c pilecap f'c pile γc
Wpl Qall tens hw d'

= = = = =
=

225 225 2.40 3.287 10 5

kg/cm2 kg/cm2 ton/m3 ton ton m cm

GW is not encountered =

C. REACTION DATA
Support Reaction Horizontal in X direction Support Reaction Horizontal in Y direction Support Vertical Compression Force Support Vertical Uplift Force Moment Reaction in X direction Moment Reaction in Y direction Fx Fy Fzc Fzu Mrx Mry

= = = = = =

4.215 4.272 64.246 58.870 0.096 0.094

ton ton ton ton ton.m ton.m

D. SOIL DATA
For Single-Layer: Dry Soil Density Water Density Angle of Soil Internal Friction For Multi-Layer --> Refer to Dimension Input Data Cone-point Resistance at -12.0 m depth Base Resistance Factor (for deep foundation) Total Side Friction up to -12.0 m depth Shaft Resistance factor

γs γw θ qc
Sbr

= = = = = = =

1.50 1.00 25 30 3.0 632 5.0

ton/m3 ton/m3 deg kg/cm2 kg/cm

Tf
Ssr

E. REINFORCEMENT DATA
Yield Stress of Steel Reinforcement Strength Reduction Factor Diameter of Steel Bar for Pile Reinforcement Diameter of Steel Stirrup Diameter of Steel Spiral

fy

φ
Drebar Østirrup Øspirral

= = = = =

3900 0.8 16 10 8

kg/cm2 mm mm mm

II. ANALYSIS & OUTPUT DATA

A. PILE LOADS AND SOIL BEARING CAPACITY
Width of PileCap, Bpc = (m-1)a+2*1.5D Length of PileCap, Lpc = (n-1)a+2*1.5D Max. Distance of Pile in X from pilecap cg, Xmax(m)= a(m-1)/2 Distance of Pile no.(m-1) in X from pilecap