REPORT - Earthquake Commission · Christchurch Earthquake Recovery Geotechnical Factual Report...

REPORT Earthquake Commission Christchurch Earthquake Recovery Geotechnical Factual Report Burwood and Avondale Appendix A4: Investigation Location Plans and Geotechnical Investigations

Christchurch Earthquake Recovery Geotechnical Factual Report Burwood and Avondale Appendix A4: Investigation Location Plans and Geotechnical Investigations T&T Ref. REP-CCM-FAC Earthquake Commission December 2011

REPORT

Report prepared for: EARTHQUAKE COMMISSION

Report prepared by: Tonkin & Taylor LTD

Distribution:

EARTHQUAKE COMMISSION 1 copy

Tonkin & Taylor LTD (FILE) 1 copy

December 2011

T&T Ref: REP-CCM-FAC

Earthquake Commission Christchurch Earthquake Recovery Geotechnical Factual Report Burwood and Avondale Appendix A4: Investigation Location Plans and Geotechnical Investigations


Appendix A4: Investigation Location Plans and Geotechnical Investigations

Drawing GIP-CCM-A4

Burwood

Avondale

Cone penetration testing summary table

Suburb CPT ID Depth (m)

Location (mE)

Location (mN)

Ground Surface RL

Ground Water Depth (m)

Comments

Avondale CPT-AVD-62 36.23 2485921.89 5745064.83 1.45 2.60

Machine borehole drilling summary table

Suburb BH ID Depth (m)

Location (mE)

Location (mN)

Ground Surface RL

Method Drilling Company

Burwood BH-BUR-SAA 34.91 2484054.83 5745206.85 0.91 HQTT/OB Prodrill Burwood BH-BUR-EXT 15.00 2484059.03 5745194.26 0.85 PQTT Prodrill Avondale BH-AVD-INC 28.95 2484543.67 5744900.49 1.53 Sonic DCN


Cone penetration tests

Project: Christchurch 2011 Earthquake - EQC Ground Investigations Page: 1 of 2 CPT-AVD-62 Test Date: 10-Nov-2011 Location: Avondale Operator: Perry

Pre-Drill: 1.5m Assumed GWL: 2.6mBGL Located By: Survey GPS

Position: 2485921.9mE 5745064.8mN 1.45mRL Coord. System: NZMG & MSL

Other Tests: Comments:

0

2

4

6

8

10

12

14

16

18

20

0 40 80 120 160 200 240 280 320 360 400

0

2

4

6

8

10

12

14

16

18

20

0 2 4 6 8 10 12 14 16 18 20

Sleeve Friction (kPa)

Dep

th(

m)

Cone Resistance (MPa) Cone Sleeve

0 1 2 3 4 5 6

0 1 2 3 4 5 6

Friction Ratio (%)

0 100 200 300

0 100 200 300

Pore Pressure (kPa)

T+T Ref: 52000.3000 Printed: 15/11/2011 9:44 a.m. Template: CPT Graph Template v0.41.xls

Project: Christchurch 2011 Earthquake - EQC Ground Investigations Page: 2 of 2 CPT-AVD-62 Test Date: 10-Nov-2011 Location: Avondale Operator: Perry

Pre-Drill: 1.5m Assumed GWL: 2.6mBGL Located By: Survey GPS

Position: 2485921.9mE 5745064.8mN 1.45mRL Coord. System: NZMG & MSL

Other Tests: Comments:

20

22

24

26

28

30

32

34

36

38

40

0 40 80 120 160 200 240 280 320 360 400

20

22

24

26

28

30

32

34

36

38

40

0 2 4 6 8 10 12 14 16 18 20

Sleeve Friction (kPa)

Dep

th(

m)

Cone Resistance (MPa) Cone Sleeve

0 1 2 3 4 5 6

0 1 2 3 4 5 6

Friction Ratio (%)

0 100 200 300

0 100 200 300

Pore Pressure (kPa)

T+T Ref: 52000.3000 Printed: 15/11/2011 9:44 a.m. Template: CPT Graph Template v0.41.xls


Borehole logs

OB

SP

TO

BS

PT

HQ

TT

TOPSOIL.

YALDHURSTMEMBER OF THESPRINGSTONFORMATION(ALLUVIAL).

CHRISTCHURCHFORMATION(MARINE &ESTUARINE).

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

1/2/2/3/4/4N=13

ML

ML

SP

SP

SILT with trace sand and gravel, brown.Firm, wet, low plasticity. Sand is fine tomedium. Gravel is fine, sub-rounded.Contains minor roots.

Sandy SILT, yellowish brown. Firm, wet,non-plastic. Sand is fine to medium.Fine SAND with interbedded silt, bluishgrey. Wet, loose. Interbedding is very thinlybedded.

1.1 to 1.5m no recovery

Fine SAND, brownish grey. Loose, wet.

- interbedded with silt. Very thinlylaminated, less than 6mm2.25 to 3m no recovery

- silt is absent. Becoming medium dense

3.75 to 5m no recovery

7329

19

W

W

W

W

F

F

L

L

MD

Hole Location: 43 Liggins St

SHEET 1 OF 7

BOREHOLE No: BUR SAA

BORELOG 650494.000 BOREHOLE LOGS.GPJ 16/12/11

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

)

0.5

0.0

-0.5

-1.0

-1.5

-2.0

-2.5

-3.0

-3.5

-4.0

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

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: CHRISTCHURCH 2011 EARTHQUAKE LOCATION: BURWOOD JOB No: 52000.3200

0.85 m

NZMG

DRILL TYPE: Rotary

DRILL METHOD: HQTT/OB

HOLE STARTED: 12/9/11

HOLE FINISHED: 13/9/11

DRILLED BY: Pro-Drill

LOGGED BY: CP CHECKED: RAPDRILL FLUID: Mud


T+

T_D

AT

AT

EM

PLA

TE

.GD

T d

lm

5745194.26 mN2484059.03 mE

TONKIN & TAYLOR LTD

SP

TH

QT

TS

PT

HQ

TT

SP

TH

QT

TS

PT

CHRISTCHURCHFORMATION(MARINE &ESTUARINE). 2/3/2/3/4/5

N=14

2/3/4/4/4/6N=18

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

3/5/6/7/7/8N=28

SW Fine to medium SAND, grey. Mediumdense, wet.



- becoming loose

- becoming dark brown. Contains minororganics- organics absent

- interbedded with minor silt

- silt is absent9.15 to 9.5m no recovery

- becoming medium dense

6776

67

W MD

L

MD


SHEET 2 OF 7



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

)

-4.5

-5.0

-5.5

-6.0

-6.5

-7.0

-7.5

-8.0

-8.5

-9.0

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


0.85 m

NZMG

DRILL TYPE: Rotary







T+

T_D

AT

AT

EM

PLA

TE

.GD

T d

lm

5745194.26 mN2484059.03 mE

TONKIN & TAYLOR LTD

HQ

TT

SP

TH

QT

TS

PT

HQ

TT

SP

TH

QT

T


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

2/3/3/7/9/10N=29

1/2/3/5/7/10N=25

SW

SP

Fine to medium SAND, grey. Mediumdense, wet.




Fine SAND, grey. Medium dense, wet.

7676

6710

0

W

W

MD

MD


SHEET 3 OF 7



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

)

-9.5

-10.0

-10.5

-11.0

-11.5

-12.0

-12.5

-13.0

-13.5

-14.0

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


0.85 m

NZMG

DRILL TYPE: Rotary







T+

T_D

AT

AT

EM

PLA

TE

.GD

T d

lm

5745194.26 mN2484059.03 mE

TONKIN & TAYLOR LTD

SP

TH

QT

TS

PT

HQ

TT

SP

TH

QT

T


2/3/2/1/3/7N=13

1/3/4/6/8/10N=28

1/2/2/6/7/11N=26

SP

ML

SP

Fine SAND, grey. Medium dense, saturated.

SILT with some sand, grey. Stiff, wet,non-plastic.Fine SAND with trace silt, grey. Mediumdense, wet.- silt is absent16.45 to 17m no recovery

- becoming wet

- contains minor shells

- shells absent18.2 to 18.5m no recovery

- contains trace shell fragments

- shells absent


4871

71

S

W

W

W

MD

St

MD


SHEET 4 OF 7



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

)

-14.5

-15.0

-15.5

-16.0

-16.5

-17.0

-17.5

-18.0

-18.5

-19.0

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


0.85 m

NZMG

DRILL TYPE: Rotary







T+

T_D

AT

AT

EM

PLA

TE

.GD

T d

lm

5745194.26 mN2484059.03 mE

TONKIN & TAYLOR LTD

SP

TH

QT

TS

PT

HQ

TT

SP

TH

QT

TS

PT

CHRISTCHURCHFORMATION(MARINE &ESTUARINE). 1/1/3/4/5/7

N=19

1/2/2/4/4/6N=16

1/2/4/4/7/8N=23

1/3/2/5/5/4N=16

SP Fine SAND, grey. Medium dense, wet.


- contains trace shell fragments


- becoming dark grey

- contains minor silt


7681

57

W MD


SHEET 5 OF 7



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

)

-19.5

-20.0

-20.5

-21.0

-21.5

-22.0

-22.5

-23.0

-23.5

-24.0

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


0.85 m

NZMG

DRILL TYPE: Rotary







T+

T_D

AT

AT

EM

PLA

TE

.GD

T d

lm

5745194.26 mN2484059.03 mE

TONKIN & TAYLOR LTD

HQ

TT

SP

TH

QT

TS

PT

HQ

TT

SP

TH

QT

T


RICCARTONGRAVELS(ALLUVIAL)

0/0/0/0/0/0N=0

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

3/5/9/9/11/13N=42

ML

GW

SILT, grey. Very soft, wet, low plasticity.

- contains minor sand. Sand is fine


- becoming soft

- 200mm layer of fibrous PEAT, darkbrown.

- becoming sandy SILT

Sandy, fine to coarse GRAVEL with tracesilt and cobbles, grey. Dense, wet. Graveland cobbles are sub-rounded. Sand is fine tocoarse.


100

8610

086

W

W

VS

S

D


SHEET 6 OF 7



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

)

-24.5

-25.0

-25.5

-26.0

-26.5

-27.0

-27.5

-28.0

-28.5

-29.0

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


0.85 m

NZMG

DRILL TYPE: Rotary







T+

T_D

AT

AT

EM

PLA

TE

.GD

T d

lm

5745194.26 mN2484059.03 mE

TONKIN & TAYLOR LTD

SP

TH

QT

TS

PT

HQ

TT

SP

TH

QT

TS

PT

RICCARTONGRAVELS(ALLUVIAL) 4/9/12/12/15/11

for 20mmN>50

5/8/10/12/14/14for 25mmN>50

6/8/11/12/14/13for 20mmN>50

7/7/10/14/11/15for 300mmN>50

GW Sandy, fine to coarse GRAVEL with tracesilt and cobbles, grey. Very dense, wet.Gravel and cobbles are sub-rounded. Sandis fine to coarse.

31 to 31.5m no recovery



End of borehole at 34.905mbgl. ShapeAccel Array installed.

5455

63

W VD


SHEET 7 OF 7



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

)

-29.5

-30.0

-30.5

-31.0

-31.5

-32.0

-32.5

-33.0

-33.5

-34.0

DE

PT

H (

m)

30.5

31.0

31.5

32.0

32.5

33.0

33.5

34.0

34.5

30.5

31.0

31.5

32.0

32.5

33.0

33.5

34.0

34.5

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

)

35

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


0.85 m

NZMG

DRILL TYPE: Rotary







T+

T_D

AT

AT

EM

PLA

TE

.GD

T d

lm

5745194.26 mN2484059.03 mE

TONKIN & TAYLOR LTD

HQ

TT

SP

TH

QT

TS

PT

HQ

TT

YALDHURSTMEMBER OF THESPRINGSTONFORMATION(ALLUVIAL)

CHRISTCHURCHFORMATION(MARINE &ESTUARINE) 1/1/2/

1/2/2N=7

0/0/0/0/0/0N=0

ML

SP

SP

Sandy SILT, dark brown. Firm, moist, lowplasticity. Sand is fine.

Fine SAND with some silt, dark brown.Loose, moist.

- some orange brown staining

Fine SAND, grey. Loose, moist.


- becoming wet

- sand becoming fine to medium

3.6 to 3.7m gravelly layer. Gravel is coarse,subrounded to subangular.

400

41

M

M

M

W

F

L

L


SHEET 1 OF 3

BOREHOLE No: BUR EXT

BORELOG 650494.000.BOREHOLE LOGS A.GPJ 19/12/11

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

)

0.5

0.0

-0.5

-1.0

-1.5

-2.0

-2.5

-3.0

-3.5

-4.0

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


0.85 m

NZMG

DRILL TYPE: Rotary

DRILL METHOD: HQTT




LOGGED BY: DLM CHECKED: RAPDRILL FLUID: Mud


T+

T_D

AT

AT

EM

PL

AT

E.G

DT

rth

5745194.26 mN2484059.03 mE

TONKIN & TAYLOR LTD

SP

TH

QT

TS

PT

HQ

TT

SP

TH

QT

TS

PT

CHRISTCHURCHFORMATION(MARINE &ESTUARINE)

FC

1/2/3/4/5/6N=18

FC2/3/3/4/4/5N=16

4/4/9/10/15/16N=50

FC

3/5/8/12/12/14N=46

SW

SP

Fine to medium SAND, grey. Mediumdense, wet.

Fine SAND with some silt, dark greyishbrown. Medium dense, moist.

- silt absent. Sand becoming fine to medium

- becoming very dense

- becoming dense

6057

45

W

M

MD

MD

VD

D


SHEET 2 OF 3



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

)

-4.5

-5.0

-5.5

-6.0

-6.5

-7.0

-7.5

-8.0

-8.5

-9.0

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


0.85 m

NZMG

DRILL TYPE: Rotary

DRILL METHOD: HQTT






T+

T_D

AT

AT

EM

PL

AT

E.G

DT

rth

5745194.26 mN2484059.03 mE

TONKIN & TAYLOR LTD

HQ

TT

SP

TH

QT

TS

PT

HQ

TT

SP

TH

QT

T

CHRISTCHURCHFORMATION(MARINE &ESTUARINE)

2/6/6/7/9/12N=34

FC

5/5/7/8/9/12N=36

2/3/3/9/9/11N=32

FC

SW Fine to medium SAND, dark greyish brown.Dense, moist.

End of borehole at 15mbgl. Magneticextensometer installed.

5757

3010

0

M D


SHEET 3 OF 3



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

)

-9.5

-10.0

-10.5

-11.0

-11.5

-12.0

-12.5

-13.0

-13.5

-14.0

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


0.85 m

NZMG

DRILL TYPE: Rotary

DRILL METHOD: HQTT






T+

T_D

AT

AT

EM

PL

AT

E.G

DT

rth

5745194.26 mN2484059.03 mE

TONKIN & TAYLOR LTD

SO

NIC

SP

TS

ON

ICS

PT

SO

NIC

SP

T

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


FC

FC

3/3/5N=8

FC

3/5/8N=13

FC

3/6/14N=20

ML

ML

SW

SW

SW

ML

FILL: Borehole drilled through pre-dug andbackfilled pothole.

SILT, bluish grey. Firm, wet, low plasticity.

SILT interbedded with sand, bluish grey.Firm, wet, non-plastic.Fine to medium SAND interbedded withsilt, grey. Loose, wet.

Fine to medium SAND interbedded withsilt, bluish grey. Loose, wet. Interbedding isextrememly closely spaced.

Silty, fine to medium SAND, brownish grey.Loose, wet.- contains trace silt

- contain some silt

- contains trace silt. Becoming mediumdense

SILT interbedded with sand, light grey.Stiff, saturated, non-plastic. Sand is fine tomedium. Laminated, extremely closelyspaced.


- contains some sand. Becominginterbedded and very stiff.

6010

076

W

W

W

W

W

S

F

F

L

L

L

MD

St

VSt

Hole Location: 7 Alloway Street

SHEET 1 OF 6

BOREHOLE No: AVD INC


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

PROJECT: CHRISTCHURCH 2011 EARTHQUAKE LOCATION: AVONDALE JOB No: 52000.3200

1.53 m

NZMG

DRILL TYPE: Direct Push

DRILL METHOD: Sonic VIbration



DRILLED BY: DCN

LOGGED BY: CP CHECKED: RAPDRILL FLUID: N/A


T+

T_D

AT

AT

EM

PL

AT

E.G

DT

rth

5744900.49 mN2484543.67 mE

TONKIN & TAYLOR LTD

SO

NIC

SP

TS

ON

ICS

PT

SO

NIC

SP

TS

ON

IC



FC

4/8/12N=20

FC

16/24/24N=48

FC

4/5/7N=12

FC

SW

ML

SW

SW

SW

SW

ML

ML

SW

SW

Fine to medium SAND with some silt, darkgrey. Medium dense, wet.

Sandy SILT with minor gravel, light grey.Firm, saturated, non-plastic. Sand is fine tomedium. Gravel is coarse, sub-rounded.Organic, silty, fine to medium SAND, darkbrown. Medium dense, saturated. Containssome roots and buried wood.Fine to medium SAND with minor silt, grey.Medium dense, wet. Trace buried wood.

- 15mm silt lense5.9 to 6m no recoverySilty, fine to medium SAND, light grey.Medium dense, saturated.

Fine to medium SAND with minor silt andtrace organics, dark grey. Medium dense,wet.

Sandy SILT, dark grey. Stiff, wet. Sand isfine, laminated. Trace organics.

- 100mm layer of medium sand

Sandy SILT, light grey. Stiff, saturated,non-plastic. Sand is fine. Laminated,extremely closely spaced.


Fine to medium SAND with minor silt, grey.Dense, wet.

- yellowish staining. Becoming saturated

- becoming silty SAND


- 300mm layer of medium sand

Fine to medium SAND interbedded withsilt, light grey. Medium dense, wet.

9086

7671

W

S

S

W

S

W

W

S

W

W

MD

F

MD

MD

MD

MD

St

St

D

MD


SHEET 2 OF 6



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


1.53 m

NZMG





DRILLED BY: DCN



T+

T_D

AT

AT

EM

PL

AT

E.G

DT

rth

5744900.49 mN2484543.67 mE

TONKIN & TAYLOR LTD

SP

TS

ON

ICS

PT

SO

NIC

SP

TS

ON

IC


12/17/25N=42

FC

FC

8/11/14N=25

FC

2/1/0N=1

FC

FC

SW

SP

SW

Fine to medium SAND interbedded withsilt, light grey. Medium dense, wet.Interbedding is extremely closely spaced.10.2 to 10.5m no recovery

Medium SAND, dark grey. Dense, wet.

- contains some silt. Becoming saturated


- silt is absent. Becoming medium dense,wet

Fine to medium SAND with minor silt, grey.Medium dense, wet,- 100mm layer of sandy SILT. No plasticity

- interbedded with silt. Silt is thinlylaminated, extremely closely spaced

- contains minor silt. Becoming very loose.

7110

010

0

W

W

S

W

W

MD

D

MD

MD

VL


SHEET 3 OF 6



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


1.53 m

NZMG





DRILLED BY: DCN



T+

T_D

AT

AT

EM

PL

AT

E.G

DT

rth

5744900.49 mN2484543.67 mE

TONKIN & TAYLOR LTD

SP

TS

ON

ICS

PT

SO

NIC

SP

TS

ON

IC

CHRISTCHURCHFORMATION(MARINE &ESTUARINE). 8/15/28

N=43

4/3/6N=9

FC

3/4/4N=8

SW

SP

Fine to medium SAND interbedded withsilt, grey. Dense, wet, Silt is thinlylaminated, extremely closely spaced.


- becoming loose

Fine SAND with minor silt, grey. Loose,wet.


9010

068

W

W

D

L

L


SHEET 4 OF 6



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


1.53 m

NZMG





DRILLED BY: DCN



T+

T_D

AT

AT

EM

PL

AT

E.G

DT

rth

5744900.49 mN2484543.67 mE

TONKIN & TAYLOR LTD

SP

TS

ON

ICS

PT

SO

NIC

SP

TS

ON

ICS

PT

CHRISTCHURCHFORMATION(MARINE &ESTUARINE). 1/0/0

N=0

FC

5/11/25N=36

4/7/16N=23

FC

8/15/24N=39

SP Fine SAND with minor silt, grey. Veryloose, wet.

- becoming dense

- extremely closely spaced silt laminations.Trace shell fragments

- laminations absent. Becoming mediumdense, saturated

- becoming silty


- becoming dense

100

100

81

W

S

VL

D

MD

D


SHEET 5 OF 6



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


1.53 m

NZMG





DRILLED BY: DCN



T+

T_D

AT

AT

EM

PL

AT

E.G

DT

rth

5744900.49 mN2484543.67 mE

TONKIN & TAYLOR LTD

SO

NIC

SP

TS

ON

ICS

PT

SO

NIC

SP

T


4/3/3N=6

7/13/31N=31

4/12/21N=33

SP

SP

SP

25 to 26m no recovery

Silty, fine SAND, grey. Loose, wet.

Medium SAND, dark grey. Loose, wet.

- contains minor silt. Sand becoming fine tomedium- extremely closely spaced silt laminations.Trace shell fragments

27 to 27.45m no recovery

Medium SAND, dark grey. Dense, wet.


End of borehole at 28.95mbgl.Inclinometer installed.

3910

057

S

W

W

D

L

L

D


SHEET 6 OF 6



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


1.53 m

NZMG





DRILLED BY: DCN



T+

T_D

AT

AT

EM

PL

AT

E.G

DT

rth

5744900.49 mN2484543.67 mE

TONKIN & TAYLOR LTD


Machine borehole core photographs

BH-BUR-SAA

0.00 - 5.00m

5.00 - 9.95m

9.95 - 14.45m

14.45 - 18.95m

18.95 - 23.45m

23.45 - 27.50m

27.50 - 33.40m

33.40 - 34.91m

BH-BUR-EXT

0.00 - 6.50m

6.50 - 11.45m

11.45 - 15.00m

BH-AVD-INC

0.00 - 3.00m

3.00 - 6.45m

6.45 - 9.45m

9.45 - 12.60m

12.60 - 15.00m

15.00 - 18.00m

18.00 - 21.00m

21.00 - 24.00m

24.00 - 27.00m

27.00 - 28.95m


Laboratory test results

Summary Sheet

a) Fines content

Borehole ID Depth of Sample

BH-BUR-EXT 4.90

BH-BUR-EXT 6.80

BH-BUR-EXT 8.50

BH-BUR-EXT 12.00

BH-BUR-EXT 14.60

BH-AVD-INC 1.30

BH-AVD-INC 1.50

BH-AVD-INC 2.40

BH-AVD-INC 3.50

BH-AVD-INC 5.70

BH-AVD-INC 6.50

BH-AVD-INC 8.00

BH-AVD-INC 9.45

BH-AVD-INC 11.00

BH-AVD-INC 11.70

BH-AVD-INC 13.30

BH-AVD-INC 14.00

BH-AVD-INC 14.60

BH-AVD-INC 17.00

BH-AVD-INC 20.50

BH-AVD-INC 23.00

REPORT - Earthquake Commission · Christchurch Earthquake Recovery Geotechnical Factual Report...

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Transcript of REPORT - Earthquake Commission · Christchurch Earthquake Recovery Geotechnical Factual Report...