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© BAUER Maschinen GmbH, D-86529 Schrobenhausen
Cutter-soil-mixing-
applications in different soils
CSM–Cutter Soil Mixing
Franz-Werner Gerressen,
Santa Cruz, 2013-04-24
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
.... is a combination
of the BAUER cutter technology
with rotation around horizontal
axes
CSM (Cutter Soil Mixing)
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
.... is a combination
of the BAUER cutter
technology with rotation
around horizontal axes
and conventional Soil Mixing
systems with rotation around
vertical axes
CSM (Cutter Soil Mixing)
five
mixing paddles
Japan
MIP
triple auger
Germany
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
CSM (Cutter Soil Mixing)
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
BCM cutting / mixing head
CSM (Cutter Soil Mixing)
equipment components - control devices
sensors for verticality in
“X” and “Y” direction
measurement technology -
quality assurance
sensor for external
pressure
other sensors:
• torque (oil pressure)
• wheel rotation
• flow and pressure of grout
• gyrocompass
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
CSM (Cutter Soil Mixing)
equipment components - control devices
B-Tronic screen
B-Report production log
verticality monitoring
system
production datamachine data
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
The CSM Method
basic principles
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
cement
cemented
soil
water
soil
mixing tool
CSM (Cutter Soil Mixing)
basic principles - working procedure
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
improving mechanical properties (e.g. strength, water tightness...)
Improvement of the properties of the soil by mixing a slurry into the ground
3000
basic idea
CSM (Cutter Soil Mixing)
basic principles - working procedure
remediation of chemical containments
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
soil conditions
• sand/gravel
• silt
• clay
• organic soils
suitable for
retaining wall/
foundation
strength achievement
suitable for
cut-off wall
permeability
achievement
very good
limited
no major
differences
Cutter principle:
Treatment of / Embedding in hard soil layers possible
CSM (Cutter Soil Mixing)
basic principles - soil conditions
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
Is it a mixable soil?
soil conditions
"No rock mixing" !
CSM (Cutter Soil Mixing)
basic principles - soil conditions
soil is used as construction material
minimal spoil removal
vibration free method
no delivery of ready mixed concrete necessary
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
CSM (Cutter Soil Mixing)
basic principles - advantages
advantages in comparison to conventional methods
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
The CSM Method
working procedure
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
pre-excavation
CSM (Cutter Soil Mixing)
working procedure
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
penetration
CSM (Cutter Soil Mixing)
working procedure
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
extraction completed
CSM (Cutter Soil Mixing)
working procedure
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
The CSM Method
equipment
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
Typ 1
four tooth holder - high
mixing efficiency
three tooth holder -
high loosening
capacity
Typ 2
CSM (Cutter Soil Mixing)
equipment components - cutting/mixing wheels
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
BG 20
depth = 13,5 m
BG 24
depth = 13,5 m
BG 28
depth = 18 m
BG 36
depth = 18 m
CSM (Cutter Soil Mixing)
equipment components - BG series
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
BG 28 - interlocking system
max. depth = 35 m
40250
47878
CSM (Cutter Soil Mixing)
equipment components - BG series
BG 40 - interlocking system
max. depth = 43 m
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
CSM (Cutter Soil Mixing)
equipment components - QuattroCutter/Side Cutter
MBG 24 with QuattroCutter - max. depth 60 m
two mixing heads placed one on top of the other: • intensive, homogeneous mixing
• high directional accuracy for big depth
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
Desanding unit
Agitator
tank
Mixing plant
Hose pump
Feed pump
Mobile sieve
unit
Storage tank
CSM (Cutter Soil Mixing)
equipment components - auxiliary equipment
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
The CSM Method
applications
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
CSM (Cutter Soil Mixing)
applications
 cut-off walls
 retaining walls (often with cut-off wall function)
 foundations
 slope stabilization
 soil improvement / soil stabilization
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
CSM (Cutter Soil Mixing)
worldwide distribution
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
Project „New South“ Antwerp
background:
• wall surface about 3 000 m²facts retaining wall:
• new construction of an flats and offices block with
basement garage
• about 450 m far away from river Schelde
-> retaining wall with cut-off function
• wall depth up to 11.5 m; excavation depth up to 9 m
• year of execution 2007
• wall thickness 550 mm
CSM (Cutter Soil Mixing)
application example - retaining wall- RG 16 Kelly guided mixing head
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
The CSM Method
Advantages - by executing structural walls
Traditional DMM methods
Reinforcement is positioned only in the
centre of the columns
CSM method
Reinforcement can be positioned
anywhere within the panels
Waste
Waste
Effective section
CSM (Cutter Soil Mixing)
application example - retaining wall- RG 16 Kelly guided mixing head
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
CSM 1-phase system
reasons for using 1-phase system:
• relatively low mixing depth
• relatively simple soil conditions
1-phase system: penetration and extraction with the same cement
or cement-bentonite slurry
• no dry soil
relatively short production time per panel – no danger by initial setting of the cement
CSM (Cutter Soil Mixing)
application example - retaining wall- RG 16 Kelly guided mixing head
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
CSM 1-phase system – required equipment
Bentonite
silo
Cement
silo
Delivery-
pump
Agitator
cement
Mixer
Compressor
CSM-rig
Trench
Panel
Backhoe
CSM (Cutter Soil Mixing)
application example - retaining wall- RG 16 Kelly guided mixing head
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
soil conditions - silty sand
CSM (Cutter Soil Mixing)
application example - retaining wall- RG 16 Kelly guided mixing head
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
CSM (Cutter Soil Mixing)
application example - retaining wall- RG 16 Kelly guided mixing head
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
CSM (Cutter Soil Mixing)
application example - cut-off wall - BG 28 rope suspended mixing head
MOSE-Project Venice
• mobile high water protection of Venice lagoonbackground:
• cut-off wall surface about 15 000 m²facts cut-off wall:
• excavation pit for the construction of caisson for
mobile flood gates
• cut-off wall around excavation pit
• 28 m deep
• year of execution 2006
• wall thickness 640 mm
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
soil profil:
depth [m]
0,0
-11,0
-15,0
-21,0
-26,0
sandy refilling
silty sand
clayly silt / silty clay
silty fine sand
clay
-28,0
CSM (Cutter Soil Mixing)
application example - cut-off wall - BG 28 rope suspended mixing head
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
CSM 2-phase system was used
reason for using 2-phase system:
relatively high mixing depth of 28 m
relatively long production time per panel
danger of getting stuck - by initial setting of the cement
2-phase system: penetration with bentonite slurry
extraction with cement slurry
CSM (Cutter Soil Mixing)
application example - cut-off wall - BG 28 rope suspended mixing head
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
CSM 2-phase system – required equipment
Hose pump
Soil
Soil
Desander
Agitator
bentonite
Bentonite
silo
Cement
silo
Delivery-
pump
Agitator
cement
Mixer
Compressor
Trench
Panel
Mobile sieve unit
CSM-rig
Scratching
belt
CSM (Cutter Soil Mixing)
application example - cut-off wall - BG 28 rope suspended mixing head
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
used base carrier:
BAUER BG 28 V
used mixing head:
BAUER BCM 5 rope suspended
CSM (Cutter Soil Mixing)
application example - cut-off wall - BG 28 rope suspended mixing head
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
July 2007 – after dewatering
July 2006 – before dewatering
CSM (Cutter Soil Mixing)
application example - cut-off wall - BG 28 rope suspended mixing head
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
CSM (Cutter Soil Mixing)
application example - retaining Wall with Cut-Off Function-RG 19T
Re-construction of a wastewater treatment plant - Luxembourg
• No space for excavation pits with embankmentsBackground:
• Mixing depth between 5.5 and 11 mCSM Panels:
• Confined ground water
• Excavation depth between 3.5 and 9 m
• Year of execution 2010
• Wall thickness 550 mm, about 7000 m²
• 1.5 to 2 m socketing into shale bedrock
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
CSM (Cutter Soil Mixing)
application example - retaining Wall with Cut-Off Function-RG 19T
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
CSM (Cutter Soil Mixing)
application example - retaining Wall with Cut-Off Function-RG 19T
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
Balch Consolidation Conduit Project – Portland, USA
• Reduction of combined sewer overflow (CSO) into
the Willamette River
Background:
• Mixing depth between 14 and 27 mCSM Panels:
• 5 shafts as jacking / retrieval shafts for tunnel
boring machine
• Excavation depth between 9.1 and 24.1 m
• Completed 2009 - 2010
• Wall thickness between 1000 mm and about 1800 mm
• Extreme difficult soil conditions
CSM (Cutter Soil Mixing)
application example - Shafts - BG 40
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
-8,0
-26,0
-27,0
stratified sand and silt alluvial
gravel alluvial with cobbles and
boulders
sand with gravel
0,0
-1,0
miscellaneuos fillDepth [m]
Gravel alluvial
with cobbles & boulders
Stratified
sand and silt alluvial
CSM (Cutter Soil Mixing)
application example - Shafts - BG 40
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
Base carrier:
BAUER BG 40 V
Mixing head:
BAUER BCM 10 Kelly guided
Maximum possible mixing depth by
Kelly guided BCM is 43 m
CSM (Cutter Soil Mixing)
application example - Shafts - BG 40
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
CSM (Cutter Soil Mixing)
application example - Shafts - BG 40
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
CSM (Cutter Soil Mixing)
additional examples for applications
additional examples for applications
© BAUER Maschinen GmbH, D-86529 Schrobenhausen50
CSMretainingwall
CSMbarrette
Vittorio Veneto (Italy)
retaining wall
about 2.500 m²
550 mm wall thickness,
max. 12 m panel depth
soil conditions
sand
CSM (Cutter Soil Mixing)
application - retaining walls + uplift retention
specific feature
barrets for tie downs made with
CSM panels
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
Vittorio Veneto
(Italy)
CSM (Cutter Soil Mixing)
application - retaining walls + uplift retention
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
Vancouver (Canada)
CSM (Cutter Soil Mixing)
application - foundations - RG19
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
CSM (Cutter Soil Mixing)
application - slope stabilization - RG 25S
Barrets
800 mm wall thickness,
14 m max. panel depth
partly reinforced with steel pipes
Portugal
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
CSM (Cutter Soil Mixing)
application - soil stabilization - BG 40 - BCM 10
Culver City (California, USA)
Soil stabilisation for Cast-in-drilled-hole piles
(CIDH piles); Ø = 4.6 m up to 34.1 m deep
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
panel layout
CSM (Cutter Soil Mixing)
application - soil stabilization - BG 40 - BCM 10
1
2
3
4
5
6
7
8
Culver City (California, USA)
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
0.0
-2,0
-4,0
-6,0
-8,0
-10,0
-12,0
-14,0
-16,0
-34,1
clay
(medium stiff)
sandy silt
(medium dense)
clayey silt
(very stiff)
clayey silt
(very stiff to hard)
depth [m]
www.malcolmdrilling.com
Culver City (California, USA)
CSM (Cutter Soil Mixing)
application - soil stabilization - BG 40 - BCM 10
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
CSM (Cutter Soil Mixing)
application - soil stabilization - BG 40 - BCM 10
www.malcolmdrilling.com
www.malcolmdrilling.com
Culver City (California, USA)
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
CSM (Cutter Soil Mixing)
application - soil stabilization - BG 40 - BCM 10
www.malcolmdrilling.com
www.malcolmdrilling.com
Culver City (California, USA)
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
Bologna (Italy) soil stabilization
approx. 100.000 m²
800 mm wall thickness,
23 m panel depth (mainly clay)
CSM (Cutter Soil Mixing)
application - soil stabilization - BG28 + RG25
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
diaphragm wall
CSM panels
CSM (Cutter Soil Mixing)
application - soil stabilization - BG28 + RG25
Bologna (Italy)
© BAUER Maschinen GmbH, D-86529 Schrobenhausen
Cutter-soil-mixing-
applications in different soils
CSM–Cutter Soil Mixing
Franz-Werner Gerressen,
Santa Cruz, 2013-04-24

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Bauer csm bolivia 2013-04-24

  • 1. © BAUER Maschinen GmbH, D-86529 Schrobenhausen Cutter-soil-mixing- applications in different soils CSM–Cutter Soil Mixing Franz-Werner Gerressen, Santa Cruz, 2013-04-24
  • 2. © BAUER Maschinen GmbH, D-86529 Schrobenhausen .... is a combination of the BAUER cutter technology with rotation around horizontal axes CSM (Cutter Soil Mixing)
  • 3. © BAUER Maschinen GmbH, D-86529 Schrobenhausen .... is a combination of the BAUER cutter technology with rotation around horizontal axes and conventional Soil Mixing systems with rotation around vertical axes CSM (Cutter Soil Mixing) five mixing paddles Japan MIP triple auger Germany
  • 4. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing)
  • 5. © BAUER Maschinen GmbH, D-86529 Schrobenhausen BCM cutting / mixing head CSM (Cutter Soil Mixing) equipment components - control devices sensors for verticality in “X” and “Y” direction measurement technology - quality assurance sensor for external pressure other sensors: • torque (oil pressure) • wheel rotation • flow and pressure of grout • gyrocompass
  • 6. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) equipment components - control devices B-Tronic screen B-Report production log verticality monitoring system production datamachine data
  • 7. © BAUER Maschinen GmbH, D-86529 Schrobenhausen The CSM Method basic principles
  • 8. © BAUER Maschinen GmbH, D-86529 Schrobenhausen cement cemented soil water soil mixing tool CSM (Cutter Soil Mixing) basic principles - working procedure
  • 9. © BAUER Maschinen GmbH, D-86529 Schrobenhausen improving mechanical properties (e.g. strength, water tightness...) Improvement of the properties of the soil by mixing a slurry into the ground 3000 basic idea CSM (Cutter Soil Mixing) basic principles - working procedure remediation of chemical containments
  • 10. © BAUER Maschinen GmbH, D-86529 Schrobenhausen soil conditions • sand/gravel • silt • clay • organic soils suitable for retaining wall/ foundation strength achievement suitable for cut-off wall permeability achievement very good limited no major differences Cutter principle: Treatment of / Embedding in hard soil layers possible CSM (Cutter Soil Mixing) basic principles - soil conditions
  • 11. © BAUER Maschinen GmbH, D-86529 Schrobenhausen Is it a mixable soil? soil conditions "No rock mixing" ! CSM (Cutter Soil Mixing) basic principles - soil conditions
  • 12. soil is used as construction material minimal spoil removal vibration free method no delivery of ready mixed concrete necessary © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) basic principles - advantages advantages in comparison to conventional methods
  • 13. © BAUER Maschinen GmbH, D-86529 Schrobenhausen The CSM Method working procedure
  • 14. © BAUER Maschinen GmbH, D-86529 Schrobenhausen pre-excavation CSM (Cutter Soil Mixing) working procedure
  • 15. © BAUER Maschinen GmbH, D-86529 Schrobenhausen penetration CSM (Cutter Soil Mixing) working procedure
  • 16. © BAUER Maschinen GmbH, D-86529 Schrobenhausen extraction completed CSM (Cutter Soil Mixing) working procedure
  • 17. © BAUER Maschinen GmbH, D-86529 Schrobenhausen The CSM Method equipment
  • 18. © BAUER Maschinen GmbH, D-86529 Schrobenhausen Typ 1 four tooth holder - high mixing efficiency three tooth holder - high loosening capacity Typ 2 CSM (Cutter Soil Mixing) equipment components - cutting/mixing wheels
  • 19. © BAUER Maschinen GmbH, D-86529 Schrobenhausen BG 20 depth = 13,5 m BG 24 depth = 13,5 m BG 28 depth = 18 m BG 36 depth = 18 m CSM (Cutter Soil Mixing) equipment components - BG series
  • 20. © BAUER Maschinen GmbH, D-86529 Schrobenhausen BG 28 - interlocking system max. depth = 35 m 40250 47878 CSM (Cutter Soil Mixing) equipment components - BG series BG 40 - interlocking system max. depth = 43 m
  • 21. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) equipment components - QuattroCutter/Side Cutter MBG 24 with QuattroCutter - max. depth 60 m two mixing heads placed one on top of the other: • intensive, homogeneous mixing • high directional accuracy for big depth
  • 22. © BAUER Maschinen GmbH, D-86529 Schrobenhausen Desanding unit Agitator tank Mixing plant Hose pump Feed pump Mobile sieve unit Storage tank CSM (Cutter Soil Mixing) equipment components - auxiliary equipment
  • 23. © BAUER Maschinen GmbH, D-86529 Schrobenhausen The CSM Method applications
  • 24. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) applications  cut-off walls  retaining walls (often with cut-off wall function)  foundations  slope stabilization  soil improvement / soil stabilization
  • 25. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) worldwide distribution
  • 26. © BAUER Maschinen GmbH, D-86529 Schrobenhausen Project „New South“ Antwerp background: • wall surface about 3 000 m²facts retaining wall: • new construction of an flats and offices block with basement garage • about 450 m far away from river Schelde -> retaining wall with cut-off function • wall depth up to 11.5 m; excavation depth up to 9 m • year of execution 2007 • wall thickness 550 mm CSM (Cutter Soil Mixing) application example - retaining wall- RG 16 Kelly guided mixing head
  • 27. © BAUER Maschinen GmbH, D-86529 Schrobenhausen The CSM Method Advantages - by executing structural walls Traditional DMM methods Reinforcement is positioned only in the centre of the columns CSM method Reinforcement can be positioned anywhere within the panels Waste Waste Effective section CSM (Cutter Soil Mixing) application example - retaining wall- RG 16 Kelly guided mixing head
  • 28. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM 1-phase system reasons for using 1-phase system: • relatively low mixing depth • relatively simple soil conditions 1-phase system: penetration and extraction with the same cement or cement-bentonite slurry • no dry soil relatively short production time per panel – no danger by initial setting of the cement CSM (Cutter Soil Mixing) application example - retaining wall- RG 16 Kelly guided mixing head
  • 29. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM 1-phase system – required equipment Bentonite silo Cement silo Delivery- pump Agitator cement Mixer Compressor CSM-rig Trench Panel Backhoe CSM (Cutter Soil Mixing) application example - retaining wall- RG 16 Kelly guided mixing head
  • 30. © BAUER Maschinen GmbH, D-86529 Schrobenhausen soil conditions - silty sand CSM (Cutter Soil Mixing) application example - retaining wall- RG 16 Kelly guided mixing head
  • 31. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) application example - retaining wall- RG 16 Kelly guided mixing head
  • 32. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) application example - cut-off wall - BG 28 rope suspended mixing head MOSE-Project Venice • mobile high water protection of Venice lagoonbackground: • cut-off wall surface about 15 000 m²facts cut-off wall: • excavation pit for the construction of caisson for mobile flood gates • cut-off wall around excavation pit • 28 m deep • year of execution 2006 • wall thickness 640 mm
  • 33. © BAUER Maschinen GmbH, D-86529 Schrobenhausen soil profil: depth [m] 0,0 -11,0 -15,0 -21,0 -26,0 sandy refilling silty sand clayly silt / silty clay silty fine sand clay -28,0 CSM (Cutter Soil Mixing) application example - cut-off wall - BG 28 rope suspended mixing head
  • 34. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM 2-phase system was used reason for using 2-phase system: relatively high mixing depth of 28 m relatively long production time per panel danger of getting stuck - by initial setting of the cement 2-phase system: penetration with bentonite slurry extraction with cement slurry CSM (Cutter Soil Mixing) application example - cut-off wall - BG 28 rope suspended mixing head
  • 35. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM 2-phase system – required equipment Hose pump Soil Soil Desander Agitator bentonite Bentonite silo Cement silo Delivery- pump Agitator cement Mixer Compressor Trench Panel Mobile sieve unit CSM-rig Scratching belt CSM (Cutter Soil Mixing) application example - cut-off wall - BG 28 rope suspended mixing head
  • 36. © BAUER Maschinen GmbH, D-86529 Schrobenhausen used base carrier: BAUER BG 28 V used mixing head: BAUER BCM 5 rope suspended CSM (Cutter Soil Mixing) application example - cut-off wall - BG 28 rope suspended mixing head
  • 37. © BAUER Maschinen GmbH, D-86529 Schrobenhausen July 2007 – after dewatering July 2006 – before dewatering CSM (Cutter Soil Mixing) application example - cut-off wall - BG 28 rope suspended mixing head
  • 38. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) application example - retaining Wall with Cut-Off Function-RG 19T Re-construction of a wastewater treatment plant - Luxembourg • No space for excavation pits with embankmentsBackground: • Mixing depth between 5.5 and 11 mCSM Panels: • Confined ground water • Excavation depth between 3.5 and 9 m • Year of execution 2010 • Wall thickness 550 mm, about 7000 m² • 1.5 to 2 m socketing into shale bedrock
  • 39. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) application example - retaining Wall with Cut-Off Function-RG 19T
  • 40. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) application example - retaining Wall with Cut-Off Function-RG 19T
  • 41. © BAUER Maschinen GmbH, D-86529 Schrobenhausen Balch Consolidation Conduit Project – Portland, USA • Reduction of combined sewer overflow (CSO) into the Willamette River Background: • Mixing depth between 14 and 27 mCSM Panels: • 5 shafts as jacking / retrieval shafts for tunnel boring machine • Excavation depth between 9.1 and 24.1 m • Completed 2009 - 2010 • Wall thickness between 1000 mm and about 1800 mm • Extreme difficult soil conditions CSM (Cutter Soil Mixing) application example - Shafts - BG 40
  • 42. © BAUER Maschinen GmbH, D-86529 Schrobenhausen -8,0 -26,0 -27,0 stratified sand and silt alluvial gravel alluvial with cobbles and boulders sand with gravel 0,0 -1,0 miscellaneuos fillDepth [m] Gravel alluvial with cobbles & boulders Stratified sand and silt alluvial CSM (Cutter Soil Mixing) application example - Shafts - BG 40
  • 43. © BAUER Maschinen GmbH, D-86529 Schrobenhausen Base carrier: BAUER BG 40 V Mixing head: BAUER BCM 10 Kelly guided Maximum possible mixing depth by Kelly guided BCM is 43 m CSM (Cutter Soil Mixing) application example - Shafts - BG 40
  • 44. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) application example - Shafts - BG 40
  • 45. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) additional examples for applications additional examples for applications
  • 46. © BAUER Maschinen GmbH, D-86529 Schrobenhausen50 CSMretainingwall CSMbarrette Vittorio Veneto (Italy) retaining wall about 2.500 m² 550 mm wall thickness, max. 12 m panel depth soil conditions sand CSM (Cutter Soil Mixing) application - retaining walls + uplift retention specific feature barrets for tie downs made with CSM panels
  • 47. © BAUER Maschinen GmbH, D-86529 Schrobenhausen Vittorio Veneto (Italy) CSM (Cutter Soil Mixing) application - retaining walls + uplift retention
  • 48. © BAUER Maschinen GmbH, D-86529 Schrobenhausen Vancouver (Canada) CSM (Cutter Soil Mixing) application - foundations - RG19
  • 49. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) application - slope stabilization - RG 25S Barrets 800 mm wall thickness, 14 m max. panel depth partly reinforced with steel pipes Portugal
  • 50. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) application - soil stabilization - BG 40 - BCM 10 Culver City (California, USA) Soil stabilisation for Cast-in-drilled-hole piles (CIDH piles); Ø = 4.6 m up to 34.1 m deep
  • 51. © BAUER Maschinen GmbH, D-86529 Schrobenhausen panel layout CSM (Cutter Soil Mixing) application - soil stabilization - BG 40 - BCM 10 1 2 3 4 5 6 7 8 Culver City (California, USA)
  • 52. © BAUER Maschinen GmbH, D-86529 Schrobenhausen 0.0 -2,0 -4,0 -6,0 -8,0 -10,0 -12,0 -14,0 -16,0 -34,1 clay (medium stiff) sandy silt (medium dense) clayey silt (very stiff) clayey silt (very stiff to hard) depth [m] www.malcolmdrilling.com Culver City (California, USA) CSM (Cutter Soil Mixing) application - soil stabilization - BG 40 - BCM 10
  • 53. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) application - soil stabilization - BG 40 - BCM 10 www.malcolmdrilling.com www.malcolmdrilling.com Culver City (California, USA)
  • 54. © BAUER Maschinen GmbH, D-86529 Schrobenhausen CSM (Cutter Soil Mixing) application - soil stabilization - BG 40 - BCM 10 www.malcolmdrilling.com www.malcolmdrilling.com Culver City (California, USA)
  • 55. © BAUER Maschinen GmbH, D-86529 Schrobenhausen Bologna (Italy) soil stabilization approx. 100.000 m² 800 mm wall thickness, 23 m panel depth (mainly clay) CSM (Cutter Soil Mixing) application - soil stabilization - BG28 + RG25
  • 56. © BAUER Maschinen GmbH, D-86529 Schrobenhausen diaphragm wall CSM panels CSM (Cutter Soil Mixing) application - soil stabilization - BG28 + RG25 Bologna (Italy)
  • 57. © BAUER Maschinen GmbH, D-86529 Schrobenhausen Cutter-soil-mixing- applications in different soils CSM–Cutter Soil Mixing Franz-Werner Gerressen, Santa Cruz, 2013-04-24