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ALPAXL Ver 1.0

Axially loaded pile analysis tool

Circular pile

Developed by Hoyoung Seo

Advisor: Prof. Monica Prezzi

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Pile geometry Soil properties

0.2 Layer i

19 1 12 50

27 2 19 117

3 21 117

4 40 138

Soil layers 5

2 6

2 7

8

Load 9

542 10

Pile diameter Brm!

Dept" to t"elayer H

im!

#oung$s modulusof t"e soil %

siMPa!

Pile lengt" Lpm!

#oung$s modulus oft"e pile %

p&Pa!

'umber of soil layers(it"in t"e pile

'umber of soil layers

belo( t"e pile base

Load at t"epile "ead )

t*'!

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+utput

3.61

0.3 0.13

0.3 17

0.3 0.0227335

0.3

5 iterations

Poisson$s ratio

of t"e soilsi

Head settlement(

tmm!

Base settlement

(bmm!Base load

)b*'!

r

Original shear modulus

Modifed shear modulus

Run

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542

17

Qt(kN) =

Qb(kN) =

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plot scale factor

5

Soil displacement was magnified b 200 times

fo! a bette! "iew.

Original confguration

Deormed confguration

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0 0.5 1 1.5 2 2.5 3 3.5 4

0

2

4

6

8

10

12

14

16

18

20

ile !isplace"e#t ("")

$ept%

(")

0 2 4 6 8 10 12

0

0.5

1

1.5

2

2.5

3

3.5

4

&t t%e pile

&t t%e pile

'a!ial !ista#ce fro" p

soil!isplace"e#t(""

)

0 100 200 300

0

2

4

6

8

10

12

14

16

18

20

&ial loa! (kN

$ept%

(")

0 100 200 300 400 500 600

0

0.5

1

1.5

2

2.5

3

3.5

4

&ial loa! (kN)

pile%ea!settle"e#t("

")

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14 16 18 20

%ea!

base

ile ais (")

400 500 600

)

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Layer

1 12 2.25#$07 6.34#$07 0.152041 1.48#$08 %2.198#%05 3.634#%03

2 19 5.27#$07 1.48#$08 0.214624 2.46#$08 5.156#%07 5.824#%03

3 21 5.27#$07 1.48#$08 0.419880 1.26#$08 %6.748#%10 3.884#%01

4 40 6.22#$07 1.75#$08 0.419880 1.48#$08 0.000#$00 3.565#%01

Hi(m) k

i(Pa) t

i(N)

i (m-1

)a

i(N/m) B

i(m) C

i(m)

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648.9 32.8 0.02273

18.0 1.4 0.02273

0.6 0.2 0.02273

0.1 0.1 0.02273

msi

(Nm) nsi(N/m)

r

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The installation procedures of the Analysis ToolPak are as follows:

3. Restart Microsoft Excel.

If ALPAL!er ".#does not work properly$ please check whether the Analysis TookPak add%in is i

". &n the Tools'enu$ click Add-Ins.

(. In the Add-Ins availablelist$ select the Analysis ToolPak)ox$ and then click OK.

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ntalled.