cads piled wall suite albatross chennai section a

CADS Piled Wall Suite Version 4.17Design of embedded retaining walls and cofferdams

Albatross, Chennai Valecha

Page NoAnalysis

ProjectFile Name

EngineerDate

1

section a albatross.pws

JDW 22/05/2012

Pile geometry

Pile top LevelPile LengthPile toe levelActive ground slope

-1 12.2-13.2

0

mmmDegrees (To horizontal)

Soils and ground water initial data (Soils data given for active and passive sides)

Initial Ground Water level -11

TopLevel

mDescription

BulkDens

kN/m3

Sat'Dens

kN/m3

YoungMod

kN/m2

YoungInc.

kN/m3

CuC'

kN/m2

CInc.

kN/m3Phi

Deg

WallShearRatio

KaKp

KacKpc

.00 V. Loose Sand 17.00 17.00 5000 0 28 .25 .34 28 .25 3.50

-3.00 Loose Sand 18.00 18.00 6250 0 30 .25 .31 30 .25 3.82

-6.00 M. Dense Sand 19.00 19.00 8250 0 32 .25 .29 32 .25 4.38

-7.50 Dense Sand 20.00 20.00 10500 0 35 .25 .25 35 .25 5.03

-9.00 CWR 22.00 22.00700000 0 50 .25 .12 50 .25 15.49

Water pressure profiles ActiveActualLevel

ActiveWaterLevel

PassiveActualLevel

PassiveWaterLevel

Water pressure profile 1 -5.00 -5.00-9.00 -5.00-9.50 -9.50

-10.00 -10.00-11.00 -11.00

-11.00 -11.00



Page NoAnalysis

ProjectFile Name

EngineerDate

2


JDW 22/05/2012

ActiveActualLevel

ActiveWaterLevel

PassiveActualLevel

PassiveWaterLevel

Construction sequence

StageRef Stage Type

Level orAngle

m/deg.Load

kN(/m)Offset

mWidth

mLength

m

1 Active surcharge -1.00 10.0 1.52 A Water profile 13 Insert prop -1.854 A Passive side excavation -11.00

Code of practice

Code of practice or reference documentClass of work being undertaken

Application of pressures for stabilityFOS on moments (stability check)Factor on Tan(Phi) values (all calcs)Factor on Cohesion values (all calcs)FOS on embedment (stability check)Correction factor on cantilever embedment

CIRIA 104 (Burland and Potts)Permanent works

CIRIA 104 (FOS on available passive)2.01.01.01.01.2

Wall analysis detail options

Nominal Phi for load distributionDepth of water filled tension cracksDensity of waterMinimum equivalent fluid densityDepth of passive softened soilContinuity model for wall analysis

30.0.0

10.0.0.0

DegreesmkN/m3kN/m3m

Continuous over props

Deflection parameters

Wall moment of inertiaWall Youngs modulus

299592927000000

cm4/mkN/m2



Page NoAnalysis

ProjectFile Name

EngineerDate

3


JDW 22/05/2012

Deflection parameters - continued

Properties for prop at -1.85Prop/Tie cross sectional areaProp/Tie Youngs modulusProp/Tie lengthProp/Tie spacingWaling moment of inertiaWaling Youngs modulusProp/Tie preloadInitial lack of fit

5210000000

7.02.2

2850.0

cm2 eachkN/m2mm

kNmm

Waling deflection not includedWaling deflection not included



Page NoAnalysis

ProjectFile Name

EngineerDate

4


JDW 22/05/2012

Stage ref.Stage type

4Passive side excavation

-1

-11

Loose Sand

M. Dense Sand

Dense Sand

CWR

10 kN/m2



Page NoAnalysis

ProjectFile Name

EngineerDate

5


JDW 22/05/2012

Tabular results from analysis of stage ref 4

CalcLevel

m

ActiveVert

kN/m2

ActiveEarth

kN/m2

ActiveWaterkN/m2

Pas'Vert

kN/m2

Pas'Earth

kN/m2

Pas'WaterkN/m2

TotalNett

kN/m2

Bend.MomentkNm/m

ShearForcekN/m

Defl'tmm

PropForcekN/m

FOS

-1.00 .0 .0 .0 .0 .0 .0 0 0 0 -.9 .00 -1.00 .0 .0 .0 .0 .0 .0 0 0 0 -.9 .00 -1.85 14.5 4.9 .0 .0 .0 .0 4.9 .6 -2.1 0 146.8 .00 -1.85 14.5 4.9 .0 .0 .0 .0 4.9 .6 144.8 0 .00 -1.87 24.7 8.3 .0 .0 .0 .0 8.3 -1.4 144.7 0 .00 -2.00 27.0 9.1 .0 .0 .0 .0 9.1 -20.7 143.5 .3 .00 -3.00 44.0 14.8 .0 .0 .0 .0 14.8 -158.7 131.5 2.3 .00 -3.00 44.0 13.7 .0 .0 .0 .0 13.7 -158.9 131.5 2.3 .00 -4.00 62.0 19.3 .0 .0 .0 .0 19.3 -282.5 115.1 4.2 .00 -5.00 80.0 24.8 .0 .0 .0 .0 24.8 -387.0 93.0 5.7 .00 -6.00 88.0 27.3 10.0 .0 .0 .0 37.3 -465.5 61.9 6.7 .00 -6.00 88.0 25.1 10.0 .0 .0 .0 35.1 -465.6 61.9 6.7 .00 -7.00 97.0 27.7 20.0 .0 .0 .0 47.7 -507.8 20.5 7.1 .00 -7.50 101.5 29.0 25.0 .0 .0 .0 54.0 -511.9 -4.9 7.1 .00 -7.50 101.5 25.5 25.0 .0 .0 .0 50.5 -511.9 -4.9 7.1 .00 -8.00 106.5 26.8 30.0 .0 .0 .0 56.8 -502.8 -31.8 6.9 .00 -9.00 116.5 29.3 40.0 .0 .0 .0 69.3 -440.6 -94.8 6.1 .00 -9.00 116.5 14.3 40.0 .0 .0 .0 54.3 -440.5 -94.8 6.1 .00

-10.00 178.5 21.9 .0 .0 .0 .0 21.9 -320.7 -135.1 4.8 .00 -11.00 200.5 24.6 .0 .0 .0 .0 24.6 -171.5 -165.0 3.3 .00 -11.00 200.5 24.6 .0 .0 .4 .0 24.3 -171.2 -165.0 3.3 .00 -12.00 212.5 26.1 10.0 12.0 185.8 10.0 -159.7 -24.9 -97.4 1.9 .47 -12.48 218.3 26.8 14.8 17.8 275.0 14.8 -248.2 0 0 1.2 1.00 -13.00 224.5 27.6 20.0 24.0 371.7 20.0 -344.1 0 0 .4 1.77 -13.20 226.9 27.9 22.0 26.4 408.9 22.0 -381.0 0 0 .1 2.12



Page NoAnalysis

ProjectFile Name

EngineerDate

6


JDW 22/05/2012

Graphical results from analysis of stage ref 4Active Earth + Nett Water kN/m2 Passive Earth Pressures

Nett Pressures (Shown in thin line) kN/m2

-1

-3

-5

-7

-9

-11

-13

-500 5000

-500 5000

Deflection diagram (mm)

-1

-3

-5

-7

-9

-11

-13

-10 100



Page NoAnalysis

ProjectFile Name

EngineerDate

7


JDW 22/05/2012

Graphical results from analysis of stage ref 4 continued

Bending Moment Diagram (kNm/m)

-1

-3

-5

-7

-9

-11

-13

-1000 10000

Shear Force Diagram (kN/m)

-1

-3

-5

-7

-9

-11

-13

-200 2000



Page NoAnalysis

ProjectFile Name

EngineerDate

8


JDW 22/05/2012

Structural design of wall

Wall section properties

Primary pile diameterPrimary pile spacingInfill pile diameterMain rebar bar diameterMain rebar number of barsLinks/Helix bar diameterLinks/Helix spacing/pitch

9001075

201410

200

mmmmmmmm

mmmm

Wall material properties

Concrete cube strengthConcrete coverMain rebar steel gradeLink rebar steel gradeUltimate load factor

3050

500500

1.20

N/mm2mmN/mm2N/mm2

Wall structural design checks

Check descriptionRequired Provided

or Limit or Actual Units

Max. ultimate moment BS8110, Ultimate resistance

660 658 kNm

Maximum longitudinal steel BS8110, Max 6% by area

38170 4398 mm2

Minimum longitudinal steel BS8110, Min 0.4% by area

2544 4398 mm2

Maximum ultimate shear BS8110 Ultimate resistance

213 379 kN

Minimum link diameter BS8110, 6mm or 0.25x bar dia

6 10 mm

Max. link spacing/pitch BS8110, 12x main bar dia or 0.75d

240 200 mm

Minimum shear link area BS8110, Clause 3.4.5

439 785 mm2/m

cads piled wall suite albatross chennai section a

Documents