In-Situ 2001

1
In-Situ 2001

• Bali
• A Few Closing Comments
• by Paul W. Mayne at Banquet

2
In-Situ Geotechnical Tests for Soils
3
Specialized In-Situ Tests

• Lateral Stress Cone (LS-CPT)
• Cone Pressuremeter (CPMT)
• Vibrocone Penetrometer for Liquefaction
• Self-Boring Pressuremeter (SBP)
• Iowa Stepped Blade (ISB)
• Borehole Shear Test (BHT)
• Vision Cone (VisCPT)
• Torsional Impulse Shear Device
• Push-in Total Stress Cells (TSC)
• Seismic Piezocone Pressuremeter (SCPMTu)

4
Research Directions - Vibrocone
Electro-Vibrocone with Piezo-Actuator Driver and
Dual-Element Piezocone Penetrometer
5
(No Transcript)
6
Vibrocone Test Results
Dynamic Motion
Constant Rate of 20 mm/s
fs
u1
qt
Vibrocone Data from Paired Soundings at Historic
Liquefaction Site, Thompson Industries,
Charleston, South Carolina
7
Pile Capacity from CPT

• Rational Methods (Indirect) to assess end
  bearing side friction
• Direct Methods - Scale up measured CPT fs and qt
  to Pile
• Interface roughness effects on measured sleeve
  (Frost DeJong, 2001) ? Multi-Friction Sleeve
  Penetrometer

8
Oh the Places Youll Go (Dr. Seuss)
Be Glad you dont work on the Bunglebung
Bridge that theyre building across Boober Bay at
Bumm Ridge
9
Multi-Element Pore Pressures
Triple-Element Piezocone (Fugro)
10
Multi-Friction Sleeved Penetrometer (Frost
DeJong, 2001)
11
Multi-Friction Sleeved PenetrometerNew Soil
Classification Charts
fs1-fs3
Begemann
Brown Dirt with Stones
Clays or Silts or Maybe Sands
fsCPT/fs4
Loams
qt/fs1fs2fs3
12
Multi-Tipped Cone Penetrometer
New Idea from In-Situ 2001
qc2 qc1 qc3
13
ISC98, Atlanta
14
Geomusic at ISC98, Atlanta
Alan Lutenegger
15
GeoMusic
Gianfranco Totani from Italy and Julio
Valdes from Panama during ISC98
16
GeoMusic
17
GeoMusic for CANLEX
18
On that Note
19
Innovative In-Situ Devices

• Cordless Cone
• Memocone
• Audio-Cone

• Self-Boring Pressuremeter

• Self-Boring Cones - (No Rods or Trucks)

Beerless but Bearded Fahey
20
(No Transcript)
21
ONEHEAD
ROMOTING
RIO
(14th Edition)
Non-Textbook Textbook
22
Terima Kasih Banyak
(thank you very much)