Ground Motion Studies at Fermi National Accelerator Laboratory...

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Ground Motion Studies at Fermi National Accelerator Laboratory James T Volk Applications Physicist II Vladimir Shiltsev Fermilab Shavkat Singatulin Fermilab and Budker Institute

Transcript of Ground Motion Studies at Fermi National Accelerator Laboratory...

  • Ground Motion Studies

    at Fermi National Accelerator

    Laboratory

    James T Volk

    Applications Physicist II

    Vladimir Shiltsev

    Fermilab

    Shavkat Singatulin Fermilab and Budker Institute

  • Future Plans at Fermilab

    J T Volk Fermilab Aug 2012

    Project X an 8 GeV

    Superconducting

    LINAC

    Muon

    Cooling test

    facility

    Muon Collider

    Intense ν beams to

    NUMI 890 km

    north and DUSEL

    1480 km west

    International

    Linear Collider

  • Ways to Monitor Ground Motion

    J T Volk Fermilab Aug 2012

    Sercel Seismometer

    Water levels BUDKER seismometer

    Geophone

  • Hydro static water Levels Systems

    J T Volk Fermilab Aug 2012

    h1

    h2

    Water seeks it’s own level

  • Hydro static water Levels Systems

    J T Volk Fermilab Aug 2012

    h1

    h2

    Water seeks it’s own level

  • Hydro static water Level Systems

    HLS

    J T Volk Fermilab Aug 2012

    BUDKER sensor

    Capacitive pickup

    Accuracy 1 micrometer

    Cost $1200 per channel

    Capacitive sensor Water pool

    On stand with water and

    Air line connections

    Water line

    Air line

  • MINOS-2 HLS

    J T Volk Fermilab Aug 2012

    10 m

    Electronics

  • Difference in two sensors 70

    meters apart

    J T Volk Fermilab Aug 2012

    3/31/2012 4/3/2012 4/6/2012 4/9/2012

    -5

    0

    5

    10

    15

    L0-L

    7 (m

    icro

    ns)

    date

    L0-L7

    12.4 hrs

  • January 2006 MINOS

    Difference in two sensors 90 meters apart

    J T Volk Fermilab Aug 2012

  • January 2006 MINOS

    Difference in two sensors 90 meters apart

    J T Volk Fermilab Aug 2012

  • Sump Pump Test

    J T Volk Fermilab Aug 2012

  • Earth quake April 18 at 04:27 hrs CDT 380

    km (236 miles) south south east of

    Fermilab

    J T Volk Fermilab Aug 2012

    Magnitude 5.2

    Start 04:27 hrs

  • North South and East West sensors

    difference MINOS hall

    J T Volk Fermilab Aug 2012

    Mic

    ro m

    eter

    s

    Date

    Time of Earth quake

    04:27 April 18

    08:33 April 19

  • LaFarge Mine North Aurora

    J T Volk Fermilab Aug 2012

    There is a dolomite mine 7 km from the MINOS hall. It is in the Galena Platteville layer 125 meters below the surface. It is room and pillar Construction There are 5 HLS sensors in an abandoned drift in the mine.

  • The LaFarge Mine North Aurora Ill

    J T Volk Fermilab Aug 2012

    Entrance to mine 390 meter decline

    In the Galena Platteville dolomite 120 meters below grade

    If the ILC were built at Fermilab this would be the preferred depth and strata

  • Budker Sensors in South 5 drift

    J T Volk Fermilab Aug 2012

    Station 3 Station 4

    Water line Air line Data cable Note built up concrete pillar this is to make up for difference in floor elevation

  • Difference in two sensors 60 meter apart

    J T Volk Fermilab Aug 2012

  • New setup in S5 drift 7 months of data

    J T Volk Fermilab Aug 2012

    Nov 2008

    Conveyor problem at mine

  • DUSEL

    J T Volk Fermilab Aug 2012

    Deep Underground Science

    and Engineering Lab

    Lowest drifts 8000 ft (2400

    meters) flooded to 4850 ft

    (1470 meters)

    In January 2009 there will be 12

    Tevatron style HLS installed at

    2000 ft

    In the summer 12 HLS at the

    4100 ft (1242 m) to monitor tilt

    during dewatering process

    In the Homestake

    Gold mine in Lead SD

  • HLS layout at 2000 and 4850 foot level

    J T Volk Fermilab Aug 2012

    4 independent stations

    200 ft between HLS

    2 independent stations

    7 meters between sensors

  • HLS at DUSEL

    J T Volk Fermilab Aug 2012

    Tom Trancynger filling system with

    water

    Jason Van Beek terminating data cable

    Larry Stetler of SDSM&T and Jim Volk

  • Floor tilt 4850 ft level Homestake mine

    J T Volk Fermilab Aug 2012

  • Russian Seismometer

    J T Volk Fermilab Aug 2012

  • J T Volk Fermilab Aug 2012

    Vertical motion at grade Fermilab

    log scale

    0.1 1 10

    0.0000

    0.0005

    0.0010

    0.0015

    0.0020

    0.0025

    Frequency (Hz)

    Am

    pli

    tud

    e V

    olt

    s

    MP8 Vertical FFT

    CHL

  • J T Volk Fermilab Aug 2012

    Horizontal motion at grade Fermilab

    log scale

    0.1 1 10

    0.000

    0.001

    0.002

    0.003

    0.004

    0.005

    0.006

    0.007

    Frequency (Hz)

    Am

    plit

    ude

    Vol

    ts

    Horizontal FFT

    MP8 Floor

    CHL

  • Central Helium Liquifier

    J T Volk Fermilab Aug 2012

    Large

    compressors

  • Summary

    • There are several HLS system taking data at Fermilab in the Homestake mine.

    • They are accurate and reliable can run for several years.

    • They are useful for determining ground motion and tilt.

    • The data are available at; http://dbweb1.fnal.gov:8100/ilc/ILCGroundApp.py/index

    • There are natural sources of motion: tides, rain fall, earth quakes both large and small.

    • There are cultural sources such as sump pumps.

    • Plans for new systems in the works.

    J T Volk Fermilab Aug 2012

    http://dbweb1.fnal.gov:8100/ilc/ILCGroundApp.py/index