earthquake commission christchurch earthquake recovery ... ?· earthquake commission christchurch...

Download Earthquake Commission Christchurch Earthquake Recovery ... ?· Earthquake Commission Christchurch Earthquake…

Post on 30-Sep-2018

213 views

Category:

Documents

0 download

Embed Size (px)

TRANSCRIPT

  • REPORT Earthquake Commission Christchurch Earthquake Recovery Geotechnical Factual Report Bryndwr Appendix C: Borehole Logs

  • Christchurch Earthquake Recovery Geotechnical Factual Report Bryndwr Appendix C: Borehole Logs T&T Ref. REP-BYR-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-BYR-FAC

    Earthquake Commission Christchurch Earthquake Recovery Geotechnical Factual Report Bryndwr Appendix C: Borehole Logs

  • Christchurch Earthquake Recovery Geotechnical Factual Report Bryndwr Appendix C: Borehole Logs T&T Ref. REP-BYR-FAC Earthquake Commission December 2011

    Appendix C: Borehole Logs

    Summary Sheet Bryndwr BYR 50

    Borehole ID Depth (m)

    Location (mE)

    Location (mN)

    Ground level R.L

    Method Drilling Company

    BH-BYR-01 19.48 2478281.1 5743946.61 9.79 Dual tube McMillans BH-BYR-02 19.80 2477924.18 5744822.34 13.02 Sonic DCN

  • PR

    E-D

    UG

    DU

    AL

    TU

    BE

    SP

    TD

    UA

    L T

    UB

    ES

    PT

    DU

    AL

    TU

    BE

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

    CORE LOSS

    YALDHURSTMEMBER OF THESPRINGSTONFORMATION(ALLUVIAL).

    3/3/5/4/8/9N=26

    PSD-WS

    9/9/9/10/11/11N=41

    GW

    GW

    FILL: Borehole drilled through pre-dug andbackfilled pothole.

    1.2 to 1.8m no recovery

    Sandy, fine to coarse GRAVEL, yellowishbrown. Medium dense, moist. Gravel issubrounded. Sand is fine to medium.1.9 to 3m no recovery

    Fine to coarse GRAVEL with some sand,grey. Dense, wet. Gravel is subrounded.Sand is fine to medium.

    3.6 to 3.7m no recovery

    4.8 to 5.3m no recovery. Becoming verydense

    08

    8010

    0

    M

    W

    MD

    D

    VD

    Hole Location: 37 Strowan Rd

    SHEET 1 OF 4

    BOREHOLE No: BYR 01

    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

    )

    9.5

    9.0

    8.5

    8.0

    7.5

    7.0

    6.5

    6.0

    5.5

    5.0

    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: BRYNDWR JOB No: 52000.3200

    9.79 m

    NZMG

    DRILL TYPE: Direct Push

    DRILL METHOD: Dual Tube

    HOLE STARTED: 4/7/11

    HOLE FINISHED: 6/7/11

    DRILLED BY: McMillan

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

    BORELOG 650494.000 BOREHOLE LOGS.GPJ 16/12/11

    T+

    T_D

    AT

    AT

    EM

    PLA

    TE

    .GD

    T d

    lm

    5743946.61 mN2478281.1 mE

    TONKIN & TAYLOR LTD

  • SP

    TD

    UA

    L T

    UB

    ES

    PT

    DU

    AL

    TU

    BE

    SP

    TD

    UA

    L T

    UB

    ES

    PT

    DU

    AL

    TU

    BE

    SP

    T

    YALDHURSTMEMBER OF THESPRINGSTONFORMATION(ALLUVIAL).

    10/19/11/14/14for 75mmN>50

    PSD-WS

    7/7/5/5/4/4N=18

    FC

    2/1/3/3/4/5N=15

    FC

    FC

    1/0/2/1/2/3N=8

    GW

    SW

    ML

    SW

    4.8 to 5.3m no recovery

    Fine to coarse GRAVEL with some sand,grey. Very dense, wet. Gravel issubrounded. Sand is fine to medium.- 200mm layer of sandy GRAVEL. Gravelis fine to coarse, sub-rounded. Sand is fineto medium

    6.0 to 6.5m no recovery. Becoming mediumdense

    - contains some buried wood

    Fine to medium SAND with minor silt,bluish grey. Medium dense, wet.

    - contains some silt

    SILT with minor sand, bluish grey. Stiff,moist, low plasticity. Sand is fine.

    - 25mm lens of medium sand

    - contains trace organics, becomingbrownish grey- becoming firm

    - organics absent, becoming bluish grey

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

    9193

    100

    100

    W

    W

    M

    W

    VD

    MD

    MD

    St

    F

    D

    Hole Location: 37 Strowan Rd

    SHEET 2 OF 4

    BOREHOLE No: BYR 01

    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

    )

    4.5

    4.0

    3.5

    3.0

    2.5

    2.0

    1.5

    1.0

    0.5

    0.0

    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

    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

    )

    10

    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: BRYNDWR JOB No: 52000.3200

    9.79 m

    NZMG

    DRILL TYPE: Direct Push

    DRILL METHOD: Dual Tube

    HOLE STARTED: 4/7/11

    HOLE FINISHED: 6/7/11

    DRILLED BY: McMillan

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

    BORELOG 650494.000 BOREHOLE LOGS.GPJ 16/12/11

    T+

    T_D

    AT

    AT

    EM

    PLA

    TE

    .GD

    T d

    lm

    5743946.61 mN2478281.1 mE

    TONKIN & TAYLOR LTD

  • DU

    AL

    TU

    BE

    SP

    TD

    UA

    L T

    UB

    ES

    PT

    DU

    AL

    TU

    BE

    SP

    TD

    UA

    L T

    UB

    ES

    PT

    YALDHURSTMEMBER OF THESPRINGSTONFORMATION(ALLUVIAL).

    CHRISTCHURCHFORMATION(MARINE &ESTUARINE)

    3/5/7/9/9/10N=35FC

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

    FC

    FC

    5/4/16/7/6/8N=37FC

    8/9/7/8/8/11N=34

    FC

    FC

    3/3/2/1/1/2N=6

    SW

    ML

    SP

    SP

    SP

    ML

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

    SILT with minor sand, grey. Stiff, moist,low plasticity. Sand is fine.

    - 15mm lens of fine to medium sand

    Fine SAND with some silt, bluish grey.Medium dense, wet.

    - contains minor silt. Sand becoming fineto medium.

    - becoming dense

    14.0 to 14.4m no recovery

    Medium SAND, dark grey. Loose, wet.

    Fine SAND with minor silt, bluish grey.Loose, wet. Contains some shells.

    SILT with some sand, bluish grey. Firm,wet, low plasticity.

    100

    100

    100

    47

    W

    M

    W

    W

    W

    W

    D

    St

    MD

    D

    L

    L

    F

    Hole Location: 37 Strowan Rd

    SHEET 3 OF 4

    BOREHOLE No: BYR 01

    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

Recommended

View more >