Unconfined Compression Test Calculation and Result

7.0 EXPERIMENTAL EXPERIM ENTAL DATA DATA 1. Initia Initiall diamete diameterr of specim specimen, en, D0 !."cm #. Initia Initiall len$t len$t% % of specim specimen en , L0 7.&cm πd

2

!. Initia Initiall '() area area of specim specimen en ,

 Ao =

*. +olme, -

 Ao  Lo

4

 11.!*cm#

 11.!*  7.& "&.0&cm ! &. Initia Initiall densit densit/ / of soil soil,,  m(m(. Initia Initiall 2ater 2ater conten contentt of soil, soil, 3 3 1&4 ".0 56)ER+ATI5N TA6LE )pecimen 1 ).N o

1. #. !. *. &. . 7.

Elapsed )train time t8 dail 9minte readin$ s:  ;L 9mm: 0.&0 0." 1.00 1. 1.&0 #.* #.00 !.# #.&0 *.* !.00 &. !.&0 ."

Aial strain, 9<: L(L0100 94: 1.1

'orrecte d area AcA0(1= <: 9cm: 1 1 .* 0

Aial load P9N:

0 .0 # #

Pro-in $ rin$ readin $ 9di-: 11

#.1

'ompressi-e stress, > P(A 9N(cm#: 10=! 1 .? # ?

1 1 .& 7

0 .0 *

#0

! .* & 7

!.#

1 1 .7 0

0 .0 &

#&

* .# 7 *

*.!

1 1 ." !

0 .0  *

!#

& .* 0 ?

&.?

1 # .0 0

0 .0 7

!&

& ." ! !

7.&

1 # .1 ?

0 .0 7 *

!7

 .0 7 1

?.1

1 # .! 7

0 .0 7 

!"

 .1 * *

Aial strain, 9<: L(L0100 94: 1.1

'orrecte d area AcA0(1= <: 9cm: 1 1 .* 0

'ompressi-e stress, > P(A 9N(cm#:

0 .0 1 "

Pro-in $ rin$ readin $ 9di-: ?

1.&710=!

#.1

1 1 .& 7

0 .0 1 *

7

1.&7"10=!

!.#

1 1 .7 0

0 .0 1

&

1.#1010=!

*.!

1 1 ." !

0

0

".&*710=*

)pecimen # ).N o

Elapsed time t8 9minte s:

1.

0.&0

#.

1.00

!.

1.&0

*.

#.00

)train dail readin$  ;L 9mm: 0." 1. #.*

!.# @t%is specimen is fail de to compaction@

)pecimen !

Aial load P9N:

).N o

1. #. !. *. &. . 7.

Elapsed )train time t8 dial 9minte readin$ s:  ;L 9mm: 0.&0 0." 1.00 1. 1.&0 #.* #.00 !.# #.&0 *.* !.00 &. !.&0 ."

Aial strain, 9<: L(L0100 94: 1.1

'orrecte d area AcA0(1= <: 9cm!: 11.*0

Aial load P9N:

'ompressi-e stress, > P(A c 9N(cm#: 10=!

0.01

Pro-in $ rin$ readin $ 9di-: "

#.1

11.&7

0.0#

10

1.7#"

!.#

11.70

0.0#"

1*

#.!?0

*.!

11."!

0.0!"

1?

!.#1#

&.?

1#.00

0.0&*

#7

*.&00

7.&

1#.1?

0.0*

!#

&.#&0

?.1

1#.!7

0.0*

!#

&.17*

'AL'LATI5N) Taking specimen 1, 0.50min as an example Aial strain, B  9;L(L 0:  100 90."(7&:  100  1.1 'orrected area, Ac  9BC100:(100  Ao  91.1C100:(100  11.!*  11.*0cm # Aial load, P 9N:  pro-in$ rin$s readin$  0.00#N(Di11  0.00# 0.0## 'ompressi-e stren$t%, >  P(A c  0.0##(11.*0 1.?#?10 =!N(cm!

1.*0*