Sheet1LATTICE TOWER FOUNDATION DESIGN CHECK
STABILITY CHECKS
Project Description : SF-OC 81 Uprate Prelim.Contractor :
WPSupport type : 0 deg Susp Tower
Eccentricity of stub leg wrt column centreline : est
=50Eccentricity of slab centreline wrt column centreline : ec
=100Eccentricity of K-brace wrt top of column : ek =50
Foundation TypeABCC1DEE1FGeometry of column and/or slabNominal
length of column = Lnom (mm) 1448Maximum length of column = Lmax
(mm)1448Diameter of column =Dc (mm) 305Maximum diameter of undercut
= Duc (mm) 1500Stub leg valley angle (to vertical) = q
(deg)0.00Width of concrete pad = Ws (mm) -Breadth of concrete pad =
Bs (mm) -Width of undercut to slab = Buc (mm)-Depth of concrete pad
= Ds (mm) -Geometry and soil properties for foundationTotal depth
of foundation = Df (mm) 2286Depth of soil overburden = Dsoil (mm)
2286Soil volume reduction for cone interference = Vred
(m3)0.00Specific wt of undisturbed soil = gs (kN/m3) 16Specific wt
of backfill material = gbf (kN/m3) -Specific wt of rock = gr
(kN/m3) -Ultimate shear strength soil/soil = Sss (kPa) 85Ultimate
friction concrete/soil = Fcs (kPa) 65Ultimate friction
concrete/rock = Fcr (kPa) -Ultimate bearing capacity for soil =
Pult (kPa) 600
LATTICE TOWER FOUNDATION DESIGN CHECK
STABILITY CHECKS
Project Description : SF-OC 81 Uprate Prelim.Contractor :
WPSupport type : o Susp Tower
Foundation TypeABCC1DEE1FGeotechnical design loads for
foundationMaximum thrust GDL = GDLc (kN) 239.1Maximum uplift GDL =
GDLu (kN)187.1Maximum lateral GDL = GDLh (kN)42.3FOS calculations
for foundationWeight of concrete = Wc (kN) 2.67Weight of soil =
Wsoil (kN)242Weight of backfill = Wbf (kN)0Weight of rock = Wr
(kN)0Shear capacity of cylinder under uplift = Scyu (kN)916Shear
capacity of cylinder under compression = Scyc (kN)142Minimum uplift
resistance = Ru (kN)245Maximum overturning moment = Mot
(kNm)-Resisting moment = Mres (kNm)-Total vertical load acting @
base under thrust = Ptot (kN)243Bearing stress beneath column or
slab = fp* (kPa)57Factors of safety and foundation statusFOS
against uplift failure = FOSu1.31Status of foundation for
upliftOKFOS against bearing failure = FOSc10.58Status of foundation
for bearingOKFOS against overturning failure = FOSot4.35Status of
foundation for overturningOK
Interference Volume Calculations for Overlapping Soil Frusta
Foundation type : Type =MC ("B" for bored,"MC" for mass
concrete)Tower width between lowest K-Brace points: B =2500mmSlope
of leg relative to vertical: a =2.41degAngle for failure cone
measured from vertical: F =30degDepth of foundation: D
=2600mmLength of column: Lcol =2900mmDiameter of undercut or
column: Duc =1500mm
X =1372mmHi =1523mmRadius=2251mm2q =105degLarc
=4121mma=622mmb=879mmc=1366mmd=1501mmAseg =2.92m2Vinter =1.82m3
WESTERN POWERPage &P&D
Sheet2
Sheet3
Sheet4
Sheet5
Sheet6
Sheet7
Sheet8
Sheet9
Sheet10
Sheet11
Sheet12
Sheet13
Sheet14
Sheet15
Sheet16
