Earthquake Commission Darfield Earthquake Recovery ......Darfield Earthquake Recovery Geotechnical Factual Report Dallington Upper Appendix C: Borehole Logs T&T Ref. REP-DAU-FAC Earthquake

REPORT

Earthquake Commission Darfield Earthquake Recovery Geotechnical Factual Report Dallington Upper Appendix C: Borehole Logs

Darfield Earthquake Recovery Geotechnical Factual Report Dallington Upper

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

Earthquake Commission February 2011

REPORT

Report prepared for:

EARTHQUAKE COMMISSION

Report prepared by:

TONKIN & TAYLOR LTD

Distribution:

EARTHQUAKE COMMISSION 3 copies

TONKIN & TAYLOR LTD (FILE) 1 copy

February 2011

T&T Ref: REP-DAU-FAC

Earthquake Commission Darfield Earthquake Recovery Geotechnical Factual Report Dallington Upper

Appendix C: Borehole Logs




Appendix C: Borehole Logs

Summary Sheet – Dallington Upper DAU 15a

Borehole ID Maximum depth (m)

Location (mE)

Location (mN)

Ground level R.L

Method Drilling Company

BH-DAL-07 15.00 2484329 5743822 2.17 Concentrix CW Drillers

BH-DAL-08 15.45 2484319 5744227 2.13 Duel Tube McMillan

BH-DAL-09 15.00 2484185 5744432 1.98 Concentrix CW Drillers

SA

MP

LE

BA

GG

ED

Ope

n B

arre

l

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

YALDHURSTFORMATION(Alluvial)

1/1/1N=2

FC

PSD WS

PSD HYD

2/5/6N=11

PSD WS

FC

1/2/4N=6

SW

ML

SW

ML

SW

SW

VL

VS

VL

F

MD

L

65

D

W

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

SILT with some sand, brown. Dry, lowplasticity.

Fine to medium SAND with some silt,brown. Wet, well graded.

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

- 1.5m to 2m no recovery

Fine to medium SAND with trace silt, grey.Wet, well graded. Becomes more silty withdepth.

Fine to medium SAND trace gravel, greyishbrown. Wet, well graded. Gravel is medium,rounded.

100

6710

0

Hole Location:BH-DAL-07-Dallington

SHEET 1 OF 3

BOREHOLE No: DAL-07

BORELOG DALLINGTON.GPJ 7/2/11

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: Dallington JOB No: 51731.001

2.17 m

Lyttleton 1937

DRILL TYPE:

DRILL METHOD: Open barrel/concentrix

HOLE STARTED: 6/12/10

HOLE FINISHED: 8/12/10

DRILLED BY: CW Drilling

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


T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5743822.322484329.35

TONKIN & TAYLOR LTD

Ope

n B

arre

l

YALDHURSTFORMATION(Alluvial) FC

1/3/2N=5

FC

1/1/4N=5

FC

5/3/14N=17FC

FC

SW

SW

SP

ML

L

MD

St

65

W Fine to medium SAND trace gravel, greyishbrown. Wet, well graded. Gravel is medium,rounded.

Medium to coarse SAND with minorgravel, grey. Wet, well graded. Gravel isfine, rounded.

Fine SAND, grey. Wet, poorly graded.

SILT, grey. Wet, low plasticity.

- organics (possible soil horizon)

100

100

100

100


SHEET 2 OF 3

BOREHOLE No: DAL-07


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


2.17 m

Lyttleton 1937

DRILL TYPE:







T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5743822.322484329.35

TONKIN & TAYLOR LTD

Ope

n B

arre

l

CHRISTCHURCHFORMATION(Coastal)

4/18/12N=30

3/4/12N=16

ML

SP

St

MD

65

W SILT, grey. Wet, low plasticity.

- grading into fine sand


End of borehole at 15mbgl.

100

100


SHEET 3 OF 3

BOREHOLE No: DAL-07


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


2.17 m

Lyttleton 1937

DRILL TYPE:







T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5743822.322484329.35

TONKIN & TAYLOR LTD

BA

GG

ED

SA

MP

LE

DT

DT

DT

HAND DIG FILL


1/1/1N=2

FC

PSD

PSD HYD

1/4/6N=10

FC

5/4/7N=11

PSD

8/9/7N=16

SPM

ML

ML

SP

SW

SP

VL

S

S

MD

MD

MD

50

D

M

W

W

W

W

FILL: Silty, fine SAND, brown. Dry,poorly graded.

SILT with some fine sand, brown. Moist,low plasticity, slightly dilatant.

SILT, grey. Wet, low plasticity, cohesive,dilatant.

- soil horizon (organic)

Medium SAND, grey. Wet, poorly graded.

Medium to coarse SAND with some gravel,grey. Wet, well graded. Gravel is fine.

Fine to medium SAND, grey. Wet, poorlygraded.

100

5842


SHEET 1 OF 4

BOREHOLE No: DAL-08


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



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


2.13 m

Lyttleton 1937

DRILL TYPE: Percussive

DRILL METHOD: DT



DRILLED BY: McMillan



T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5744227.012484319.38

TONKIN & TAYLOR LTD

DT

DT

DT

DT


TRANSITIONSYALDHURSTFORMATION TOCHRISTCHURCHFORMATION(Estuarine?)

FC

1/1/2N=3

FC

13/19/18N=37

FC

14/11/11N=22

FC

6/10/14N=24

GW

SP

ML

VL

VL

D

D

MD

St

50

W

W

W

W

W

Fine to medium SAND, grey. Wet, poorlygraded.

- very thin silt bed- very thin silt bedSilty, fine GRAVEL, grey. Wet, poorlygraded, rounded.


SILT, grey. Wet, low plasticity, dilatant,cohesive.

- soil horizon (organic)

5075

5010

0


SHEET 2 OF 4

BOREHOLE No: DAL-08


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


2.13 m

Lyttleton 1937


DRILL METHOD: DT






T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5744227.012484319.38

TONKIN & TAYLOR LTD

DT

DT

DT

DT

DT

CHRISTCHURCHFORMATION(Marine/Coastal)

FC

7/10/12N=22

FC

10/17/16N=33

5/9/15N=24

14/19/23N=42

SP MD

D

MD

D

MD

50

W

W


5863

5038

50


SHEET 3 OF 4

BOREHOLE No: DAL-08


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


2.13 m

Lyttleton 1937


DRILL METHOD: DT






T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5744227.012484319.38

TONKIN & TAYLOR LTD

CHRISTCHURCHFORMATION(Marine/Coastal)

7/11/12N=23

End of recovered borehole at 15.45mbgl.


SHEET 4 OF 4

BOREHOLE No: DAL-08


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

)

-13.0

-13.5

-14.0

-14.5

-15.0

-15.5

-16.0

-16.5

-17.0

-17.5

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


2.13 m

Lyttleton 1937


DRILL METHOD: DT






T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5744227.012484319.38

TONKIN & TAYLOR LTD

SA

MP

LE

BA

GG

ED

Ope

n B

arre

l

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

YALDHURSTFORMATION(Alluvial gravel andoverbank silt)

1/2/1N=3FC

PSD WS

FC

FC

3/3/3N=6

FC

1/1/1N=2

SP

SP

SW

VL

L

VL

65

D

W

FILL: Fine SAND with trace silt , brown.Dry, poorly graded. (Borehole drilledthrough pre-dug and backfilled pothole.)

Fine SAND with trace silt, brown. Dry,poorly graded.

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

Fine to medium SAND with some gravel,grey. Wet, well graded.

100

100

100

100


SHEET 1 OF 3

BOREHOLE No: DAL-09


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


1.98 m

Lyttleton 1937

DRILL TYPE:





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


T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5744431.52484185.14

TONKIN & TAYLOR LTD

Ope

n B

arre

l

YALDHURSTFORMATION(Alluvial gravel andoverbank silt)

CHRISTCHURCHFORMATION(Coastal sand)

2/5/7N=12FC

1/2/4N=6

PSD WS

FC

4/13/18N=31

GW

SW

SW

SP

VL

MD

L

MD

65

W Fine to medium GRAVEL, well graded.Gravel is grained, rounded.

Fine to medium SAND, grey. Wet, wellgraded.

Gravelly, fine to coarse SAND, grey. Wet,well graded. Gravel is fine to medium.

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

- 8.5m to 9m no recovery

- trace gravel

- trace gravel

100

100

100

5010

0


SHEET 2 OF 3

BOREHOLE No: DAL-09


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


1.98 m

Lyttleton 1937

DRILL TYPE:







T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5744431.52484185.14

TONKIN & TAYLOR LTD

Ope

n B

arre

l

CHRISTCHURCHFORMATION(Coastal sand) FC

3/9/9N=18

4/6/9N=15

4/7/9N=16

SP

GP

SP

MD

65

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

Sandy fine GRAVEL, grey. Wet, poorlygraded. Gravel is rounded.Fine SAND, grey. Wet, poorly graded.- very thin lens of silt- very thin lens of silt

End of borehole at 15mbgl.

100

100

100

100

100

100

100

100


SHEET 3 OF 3

BOREHOLE No: DAL-09


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


1.98 m

Lyttleton 1937

DRILL TYPE:







T+

T_D

AT

AT

EM

PLA

TE

.GD

T e

ek

5744431.52484185.14

TONKIN & TAYLOR LTD




Documents

Earthquake Commission Darfield Earthquake Recovery ......Darfield Earthquake Recovery Geotechnical Factual Report Dallington Upper Appendix C: Borehole Logs T&T Ref. REP-DAU-FAC Earthquake