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REPORT

Earthquake Commission Darfield Earthquake Recovery Geotechnical Factual Report Bexley & Aranui Appendix C: Borehole Logs

Darfield Earthquake Recovery Geotechnical Factual Report Bexley & Aranui

Appendix C: Borehole Logs T&T Ref. REP-BEX-FAC

Earthquake Commission January 2011

REPORT

Report prepared for:

EARTHQUAKE COMMISSION

Report prepared by:

TONKIN & TAYLOR LTD

Distribution:

EARTHQUAKE COMMISSION 3 copies

TONKIN & TAYLOR LTD (FILE) 1 copy

January 2011

T&T Ref: REP-BEX-FAC

Earthquake Commission Darfield Earthquake Recovery Geotechnical Factual Report Bexley & Aranui Appendix C: Borehole Logs




Appendix C: Borehole Logs

Summary Sheet – Bexley & Aranui BEX 10

Borehole ID Maximum depth (m)

Location (mE)

Location (mN)

Ground level R.L

Method Drilling Company

BH-BEX-01 15.00 2487831.73 5743890.93 2.16 HQ Coring Perry





SA

MP

LE

BA

GG

ED

OP

EN

BA

RR

EL

HAND DIG FILL.(Potholed for servicescheck and backfilled.)

YALDHURSTFORMATION(Overbank silt)

CHRISTCHURCHFORMATION(Coastal Sand)

0/0/0/0/1N=1PSD WS

FC

1/1/1/2/2N=4

FC

3/3/3/4/5N=15

FC

FILL

ML

SP

SW

VS

VL

L

MD

65

D

M

W

FILL: Silty fine SAND, brown. Dry, wellgraded. (Borehole drilled through pre-dugand backfilled pothole)

SILT with trace fine sand and rootlets,greyish brown. Moist, low plasticity.

- 1.5m to 2.1m no recovery

Fine SAND with some silt, grey. Wet,poorly graded. Silt present in very thin beds.

Fine to medium SAND, grey. Wet, wellgraded.

6010

0

Hole Location:BH-BEX-01-Bexley

SHEET 1 OF 3

BOREHOLE No: BEX-01

BORELOG BEXLEY.GPJ 26/1/11

CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

2.0

1.5

1.0

0.5

0.0

-0.5

-1.0

-1.5

-2.0

-2.5

DE

PT

H (

m)

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION

Substance: Rock type, particle size, colour,minor components.

Defects: Type, inclination, thickness,

BOREHOLE LOG

WA

TE

R

20 50 100 roughness, filling.

50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

5

SOIL DESCRIPTION

Soil type, minor components, plasticity orparticle size, colour.ORIGIN,

MINERAL COMPOSITION.

ENGINEERING DESCRIPTION

FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM

PROJECT: Darfield 2010 Earthquake - EQC Ground Investigations LOCATION: Bexley JOB No: 51731.001

2.16 m

Lyttleton 1937

DRILL TYPE:

DRILL METHOD: Open barrel/Concentrix

HOLE STARTED: 13/12/10

HOLE FINISHED: 13/12/10

DRILLED BY: Perry Drilling

LOGGED BY: ZDP/CRS CHECKED: BMcDDRILL FLUID: N/A


T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5743890.932487831.73

TONKIN & TAYLOR LTD

OP

EN

BA

RR

EL


FC

1/2/4/3/6N=15

FC

5/2/4/5/8N=19

FC

PSD WS

4/5/5/5/6N=21

FC

SW

SP

MD

65

W Fine to medium SAND, grey. Wet, wellgraded.

Fine SAND with trace silt, grey. Wet,poorly graded.

- thin bed of silt

100

100

100

100


SHEET 2 OF 3

BOREHOLE No: BEX-01


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

-3.0

-3.5

-4.0

-4.5

-5.0

-5.5

-6.0

-6.5

-7.0

-7.5

DE

PT

H (

m)

5.5

6.0

6.5

7.0

7.5

8.0

8.5

9.0

9.5

5.5

6.0

6.5

7.0

7.5

8.0

8.5

9.0

9.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

10

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


2.16 m

Lyttleton 1937

DRILL TYPE:







T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5743890.932487831.73

TONKIN & TAYLOR LTD

OP

EN

BA

RR

EL


1/1/3/5/7N=16

4/4/6/8/13N=31

6/5/6/9/10N=30

3/3/6/7/10N=26

SP MD

D

MD

65

W Fine SAND with trace silt, grey. Wet,poorly graded.

- thin bed of silt

End of borehole at 15mbgl.

100

100

100


SHEET 3 OF 3

BOREHOLE No: BEX-01


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

-8.0

-8.5

-9.0

-9.5

-10.0

-10.5

-11.0

-11.5

-12.0

-12.5

DE

PT

H (

m)

10.5

11.0

11.5

12.0

12.5

13.0

13.5

14.0

14.5

10.5

11.0

11.5

12.0

12.5

13.0

13.5

14.0

14.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

15

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


2.16 m

Lyttleton 1937

DRILL TYPE:







T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5743890.932487831.73

TONKIN & TAYLOR LTD

SA

MP

LE

BA

GG

ED

OP

EN

BA

RR

EL



CHRISTCHURCHFORMATION(Coastal sand)

2/1/1/1/2N=5

PSD HYD

FC

4/3/2/3/4N=12

FC

FC

0/1/0/0/1N=2

FILL

ML

SP

L

MD

VL

65

D

W

FILL: Silty, fine to medium SAND, brown.Dry, well graded. (Borehole drilled throughpre-dug and backfilled pothole.)

Fine sandy SILT, dark grey. Wet, lowplasticity.

Fine SAND, grey. Wet, poorly graded.

- moderately thin bed of silt

100

100


SHEET 1 OF 3

BOREHOLE No: BEX-02


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

1.5

1.0

0.5

0.0

-0.5

-1.0

-1.5

-2.0

-2.5

-3.0

DE

PT

H (

m)

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

5

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


1.82 m

Lyttleton 1937

DRILL TYPE:





LOGGED BY: ZDP CHECKED: BMcDDRILL FLUID: N/A


T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5743776.52487862.55

TONKIN & TAYLOR LTD

OP

EN

BA

RR

EL


FC

3/1/1/1/1N=4

FC

PSD WS

FC

5/4/6/6/8N=24

PSD WS

5/4/5/5/6N=20

FC

SP

SW

SP

VL

L

MD

65

W Fine SAND, grey. Wet, poorly graded.

Fine to medium SAND, greyish brown.Wet, well graded.- laminated silt layersFine SAND, grey. Wet, poorly graded.

- very thin bed of silt




100

100

100

100


SHEET 2 OF 3

BOREHOLE No: BEX-02


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

-3.5

-4.0

-4.5

-5.0

-5.5

-6.0

-6.5

-7.0

-7.5

-8.0

DE

PT

H (

m)

5.5

6.0

6.5

7.0

7.5

8.0

8.5

9.0

9.5

5.5

6.0

6.5

7.0

7.5

8.0

8.5

9.0

9.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

10

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


1.82 m

Lyttleton 1937

DRILL TYPE:







T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5743776.52487862.55

TONKIN & TAYLOR LTD

OP

EN

BA

RR

EL


4/4/8/9/14N=35

5/4/5/7/10N=26

4/5/8/7/9N=29

2/4/6/8/11N=29

SP MD

D

MD65


- trace shells


100

100

100


SHEET 3 OF 3

BOREHOLE No: BEX-02


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

-8.5

-9.0

-9.5

-10.0

-10.5

-11.0

-11.5

-12.0

-12.5

-13.0

DE

PT

H (

m)

10.5

11.0

11.5

12.0

12.5

13.0

13.5

14.0

14.5

10.5

11.0

11.5

12.0

12.5

13.0

13.5

14.0

14.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

15

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


1.82 m

Lyttleton 1937

DRILL TYPE:







T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5743776.52487862.55

TONKIN & TAYLOR LTD

SA

MP

LE

BA

GG

ED

OP

EN

BA

RR

EL

FILL. (Potholed forservices check andbackfilled.)


0/1/0/1/0N=2

FC

FC

PSD WS

4/3/3/3/5N=14

FC

3/5/4/5/4N=18

SP

ML

SP

VL

VSt

F

MD

65

D

W

FILL (Borehole drilled though pre-dug andbackfilled pothole.)

Fine SAND with some silt, grey. Wet,poorly graded.


Sandy SILT, grey. Wet, low plasticity.Sand is fine.

Fine to medium SAND, grey. Wet, poorlygraded.

5010

010

0


SHEET 1 OF 3

BOREHOLE No: BEX-03


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

1.0

0.5

0.0

-0.5

-1.0

-1.5

-2.0

-2.5

-3.0

-3.5

DE

PT

H (

m)

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

5

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


1.35 m

Lyttleton 1937

DRILL TYPE:







T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5743477.432487759.13

TONKIN & TAYLOR LTD

OP

EN

BA

RR

EL


FC

2/1/2/5/7N=15

FC

FC

3/4/5/4/4N=17

FC

4/4/7/8/12N=31

FC

SP

SP

SP

MD

D

65

W Fine to medium SAND, grey. Wet, poorlygraded.

Medium SAND, grey. Wet, poorly graded.

Fine SAND with trace shell fragments, grey.Wet, poorly graded.

100

100

100

100


SHEET 2 OF 3

BOREHOLE No: BEX-03


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

-4.0

-4.5

-5.0

-5.5

-6.0

-6.5

-7.0

-7.5

-8.0

-8.5

DE

PT

H (

m)

5.5

6.0

6.5

7.0

7.5

8.0

8.5

9.0

9.5

5.5

6.0

6.5

7.0

7.5

8.0

8.5

9.0

9.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

10

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


1.35 m

Lyttleton 1937

DRILL TYPE:







T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5743477.432487759.13

TONKIN & TAYLOR LTD

OP

EN

BA

RR

EL


6/5/9/10/14N=38

3/3/6/9/11N=29

4/5/8/10/12N=35

6/6/9/11/16N=42

SP D

MD

D

65

W Fine SAND with trace shell fragments, grey.Wet, poorly graded.


100

100

100


SHEET 3 OF 3

BOREHOLE No: BEX-03


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

-9.0

-9.5

-10.0

-10.5

-11.0

-11.5

-12.0

-12.5

-13.0

-13.5

DE

PT

H (

m)

10.5

11.0

11.5

12.0

12.5

13.0

13.5

14.0

14.5

10.5

11.0

11.5

12.0

12.5

13.0

13.5

14.0

14.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

15

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


1.35 m

Lyttleton 1937

DRILL TYPE:







T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5743477.432487759.13

TONKIN & TAYLOR LTD

SA

MP

LE

BA

GG

ED

OP

EN

BA

RR

EL


SUBDIVISIONCONSTRUCTIONFILL


PSD WS

FC

PSD HYD

3/3/3/4/8N=18FC

3/3/3/3/3N=12

SW

ML

SP

SW

VL

VS

MD

65

D

W

FILL. (Borehole drilled through pre-dug andbackfilled pothole.)

FILL: Fine SAND with some silt, brown.Dry, well graded.

FILL: SILT with some sand, grey. Wet, lowplasticity. Sand is fine.

- red brick


Fine to medium SAND, grey. Wet, wellgraded.

100

100


SHEET 1 OF 6

BOREHOLE No: BEX-04


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

1.5

1.0

0.5

0.0

-0.5

-1.0

-1.5

-2.0

-2.5

-3.0

DE

PT

H (

m)

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

5

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


1.96 m

Lyttleton 1937

DRILL TYPE:







T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5743239.392487606.15

TONKIN & TAYLOR LTD

OP

EN

BA

RR

EL


FC

0/1/0/1/1N=3FC

FC

3/2/2/3/5N=12FC

3/3/5/6/6N=20PSD WS

SW MD

VL

MD

65


100

100

100

100


SHEET 2 OF 6

BOREHOLE No: BEX-04


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

-3.5

-4.0

-4.5

-5.0

-5.5

-6.0

-6.5

-7.0

-7.5

-8.0

DE

PT

H (

m)

5.5

6.0

6.5

7.0

7.5

8.0

8.5

9.0

9.5

5.5

6.0

6.5

7.0

7.5

8.0

8.5

9.0

9.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

10

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


1.96 m

Lyttleton 1937

DRILL TYPE:







T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5743239.392487606.15

TONKIN & TAYLOR LTD

OP

EN

BA

RR

EL


FC

4/4/4/5/6N=19

3/4/6/7/10N=27

3/4/7/10/15N=36

SW

SP

MD

D

65


Fine SAND with trace shells, grey. Wet,poorly graded.

100

100

100

100


SHEET 3 OF 6

BOREHOLE No: BEX-04


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

-8.5

-9.0

-9.5

-10.0

-10.5

-11.0

-11.5

-12.0

-12.5

-13.0

DE

PT

H (

m)

10.5

11.0

11.5

12.0

12.5

13.0

13.5

14.0

14.5

10.5

11.0

11.5

12.0

12.5

13.0

13.5

14.0

14.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

15

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


1.96 m

Lyttleton 1937

DRILL TYPE:







T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5743239.392487606.15

TONKIN & TAYLOR LTD

OP

EN

BA

RR

EL


2/3/5/9/13N=30

7/9/13/16/12for 40mmN=50

2/2/2/4/6N=14

SP

SP

SP

MD

VD

MD

65


Fine to medium SAND interbedded withthin to very thin beds of silt, grey. Wet,poorly graded. Silt has low plasticity and iscohesive.


100

100

100

100


SHEET 4 OF 6

BOREHOLE No: BEX-04


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

-13.5

-14.0

-14.5

-15.0

-15.5

-16.0

-16.5

-17.0

-17.5

-18.0

DE

PT

H (

m)

15.5

16.0

16.5

17.0

17.5

18.0

18.5

19.0

19.5

15.5

16.0

16.5

17.0

17.5

18.0

18.5

19.0

19.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

20

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


1.96 m

Lyttleton 1937

DRILL TYPE:







T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5743239.392487606.15

TONKIN & TAYLOR LTD

OP

EN

BA

RR

EL


5/2/2/4/7N=15

4/1/3/2/3N=9

2/2/2/3/6N=13

SP

ML

SP

MD

S

MD

65


- shell fragments

SILT, grey. Wet, low plasticity, cohesive.

Fine SAND with trace shells, grey. Wet,poorly graded.

100

100

100

100


SHEET 5 OF 6

BOREHOLE No: BEX-04


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

-18.5

-19.0

-19.5

-20.0

-20.5

-21.0

-21.5

-22.0

-22.5

-23.0

DE

PT

H (

m)

20.5

21.0

21.5

22.0

22.5

23.0

23.5

24.0

24.5

20.5

21.0

21.5

22.0

22.5

23.0

23.5

24.0

24.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

25

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


1.96 m

Lyttleton 1937

DRILL TYPE:







T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5743239.392487606.15

TONKIN & TAYLOR LTD

OP

EN

BA

RR

EL


5/5/11/14/20N=50

3/2/2/3/6N=13

3/4/8/11/14N=37

3/2/1/2/2N=7

SW

SW

SP

SP

MD

D

MD

D

65

W Fine to medium SAND, grey. Wet, wellgraded.Fine to medium SAND with trace shells,grey. Wet, well graded.


- wood

Fine to medium SAND, grey. Wet, poorlygraded.


100

100

100


SHEET 6 OF 6

BOREHOLE No: BEX-04


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

-23.5

-24.0

-24.5

-25.0

-25.5

-26.0

-26.5

-27.0

-27.5

-28.0

DE

PT

H (

m)

25.5

26.0

26.5

27.0

27.5

28.0

28.5

29.0

29.5

25.5

26.0

26.5

27.0

27.5

28.0

28.5

29.0

29.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

30

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


1.96 m

Lyttleton 1937

DRILL TYPE:







T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5743239.392487606.15

TONKIN & TAYLOR LTD

SA

MP

LE

BA

GG

ED

OP

EN

BA

RR

EL


SUBDIVISIONCONSTRUCTIONFILL



0/2/1/1/2N=6

PSD WS

FC

1/1/1/2/3N=7

FC

FC

0/1/2/3/4N=10

ML

ML

SP

SP

S

L

65

W FILL: Fine to medium SAND with somesilt, brown. Wet, well graded. (Boreholedrilled through pre-dug and backfilledpothole.)

FILL: Sandy SILT with some gravel andtrace organics (wood), brown. Wet, lowplasticity. Sand is fine to medium. Gravel isangular (fill).

SILT with some sand, grey. Wet, lowplasticity. Sand is fine.


Fine SAND with some silt, grey. Wet,poorly graded.


100

3610

0


SHEET 1 OF 3

BOREHOLE No: BEX-05


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

1.5

1.0

0.5

0.0

-0.5

-1.0

-1.5

-2.0

-2.5

DE

PT

H (

m)

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

5

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


1.99 m

Lyttleton 1937

DRILL TYPE:

DRILL METHOD: Open barrel/concentrix






T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5743116.282487403.5

TONKIN & TAYLOR LTD

OP

EN

BA

RR

EL


4/1/2/3/2N=8

FC

3/3/4/3/2N=12

FC

PSD WS

3/3/4/2/2N=11

FC

SP L

MD

65


- 6.5m to 7.5m trace silt

100

100

100

100


SHEET 2 OF 3

BOREHOLE No: BEX-05


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

-3.5

-4.0

-4.5

-5.0

-5.5

-6.0

-6.5

-7.0

-7.5

DE

PT

H (

m)

5.5

6.0

6.5

7.0

7.5

8.0

8.5

9.0

9.5

5.5

6.0

6.5

7.0

7.5

8.0

8.5

9.0

9.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

10

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


1.99 m

Lyttleton 1937

DRILL TYPE:







T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5743116.282487403.5

TONKIN & TAYLOR LTD

OP

EN

BA

RR

EL

CHRISTCHURCHFORMATION(Coastal sand) FC

3/2/4/4/4N=14

2/2/2/2/3N=9

2/0/1/1/2N=4

3/4/6/7/11N=28

SP MD

L

D

65


- potentially low N value due to drillingdifficulties

- 14.1m to 14.3 trace shells


100

100

100


SHEET 3 OF 3

BOREHOLE No: BEX-05


CA

SIN

G

TESTS

SA

MP

LES

WE

AT

HE

RIN

G

ST

RE

NG

TH

/DE

NS

ITY

CLA

SS

IFIC

AT

ION

SH

EA

R S

TR

EN

GT

H

(kP

a)

10 25 50 100

200

CO

MP

RE

SS

IVE

ST

RE

NG

TH

(MP

a)

1 5GR

AP

HIC

LO

G

CLA

SS

IFIC

AT

ION

SY

MB

OL

R.L

. (m

)

-8.5

-9.0

-9.5

-10.0

-10.5

-11.0

-11.5

-12.0

-12.5

DE

PT

H (

m)

10.5

11.0

11.5

12.0

12.5

13.0

13.5

14.0

14.5

10.5

11.0

11.5

12.0

12.5

13.0

13.5

14.0

14.5

MO

IST

UR

E

CO

ND

ITIO

N

ROCK DESCRIPTION



BOREHOLE LOG

WA

TE

R


50 250

1000

2000

250

DE

FE

CT

SP

AC

ING

(mm

)

15

SOIL DESCRIPTION




FLU

ID L

OS

S

ME

TH

OD

GENERIC NAME,

GEOLOGICAL

GEOLOGICAL UNIT,

CO

RE

RE

CO

VE

RY

(%

)

CO-ORDINATES

R.L.

DATUM


1.99 m

Lyttleton 1937

DRILL TYPE:







T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5743116.282487403.5

TONKIN & TAYLOR LTD

earthquake commission darfield earthquake recovery ... · earthquake commission january 2011...

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