Structural Engineering and Earthquake Simulation Laboratory Task 1 (1g Tests) Experimental and...

Structural Engineering and Earthquake Simulation Laboratory

Experimental and Micromechanical Computational Study of Pile Foundations Subjected to Liquefaction-Induced Lateral Spreading - Task 1 (1g Tests)Task 1 (1g Tests)

S. Thevanayagam, UB

Research Progress MeetingFeb. 15, 2006, UB-VTC -- DraftPI: R. Dobry, co-PI’s: A. Elgamal, S. Thevanayagam, T. Abdoun, M. Zeghal

UB-NEES Lab: A. Reinhorn, M. Pitman, J. Hanley, T. Albrechcinski

Acknowledgements: T. Kanagalingam, N. Ecemis, Peng Hao


5.0 m

2.75

m

6.2 m

SECTIONAL VIEW

PLAN

Shaking Frame on Strong Floor

Pile(Test 1A: High EI pile,Test 1B: Low EI pile)

=2 or 3 deg.

F#55Sand, Dr~45%

3.35

m

5.6 m

2-D Laminar Box (24 Laminates)

Ball Bearings

Tests 1 and 2: Single PileTests 1 and 2: Single Pile(shaking in perpendicular directions)(shaking in perpendicular directions)

• Yr-1: Tests #1A & 1B

• Yr-2: Tests #2A & 2B


Tests 3 and 4: Group PileTests 3 and 4: Group Pile(shaking in perpendicular directions)(shaking in perpendicular directions)

5.0 m

2.75

m

6.2 m

SECTIONAL VIEW

PLAN


Pile

=2 or 3 deg.

F#55Sand, Dr~45%

3.35

m

5.6 m


Ball Bearings

Pile Cap

• Yr-2: Tests #3

• Yr-3: Test #4


Year-1 Schedule Year-1 Schedule (2005-2006) (2005-2006) – Nov 19, 2005 Meeting– Nov 19, 2005 MeetingTask Category Soil Base Motion Start Time End Time

Preliminary PreparationSand pumping trialsCPT testing setup - - 5-Oct 15-MarLaminar box modificationsSand purchase and storingMembrane gluing and testing

Initial Preparatory Tests: Wet/Saturated test w/o pile (6.2 m

height)

Test 1:Level Ground Test (LG-1) 15-Mar 15-May

Test 2:Sloping Ground Test (SG-1) 15-May 15-Jul

Task 1: Single pile testingTest 1A: High EI pile test 1-Jul 31-Aug

Test 1B: Low EI pile test 15-Aug 15-Oct

Task 2: Group pile testing F-55 Sand, Dr =40-50%

amax = 0.2-0.3 g, 1.5 - 2.0 HZ harmonic motion

F-55 Sand, Dr =40-50%


F-55 Sand, Dr =40-50%



Year-1 Plans Year-1 Plans (2005-06)(2005-06) Planning, Design, Fabrication & Instr. Procurement

Box, Sand, Control, Ground Motion, Instruments

Preparatory Testing Sand Construction, Dry Runs & Preliminary Equipment Tests

Saturated Free-Field Liquefaction Level Ground (LG-1) – Harmonic progressive amplitude increase (May-June 06)

Sloping Ground (SG-1) - Harmonic progressive amplitude increase (June-July 06)

Pre-test Data for FEM/DEM modelers – 2mo before tests for Class A prediction

Single Pile High-EI Pile (Test 1A) – Harmonic progressive amplitude increase, 0.2-0.3g (Aug. 06)

Low-EI Pile (Test 1B) – Harmonic progressive amplitude increase, 0.2-0.3g (Oct. 06)

Coordination w/ Centrifuge Tests & IT


Year-1 Schedule Year-1 Schedule (2005-2006)(2005-2006)

Hyperlink Href Task Name Text10

Preliminary Preparation

Sand Pumping Trials

Cone Density Testing

CPT Testing Setup

CPT Equipment Setup and Trials

Guide Beams Design

Guide Beam Fabrication and Setup

Laminar box modifications

Base Support System

Base Support System Design

Reaction Beam Design

Steel Plate Purchase

Beam and Plate Purchase

Bearing Ball Purchase

Hardened Plate Purchase (HP)

Box Setup

Attaching Fenders

Leveling the Bearings

Welding, Drilling

Sand

Sand Purchase

Access Pad

Storing

Membrane Setup

Membrane Cutting

Membrane Glueing

Leak Test

Instrumentation

Instrumentation Planning

Instrumentation Purchasing

Instrumentation Calibration

10/4

10/5

10/5

3/1

3/1

2/20

10/31

Box Setup

Membrane Setup

Instrumentation

Laminar box ModificationsBase Support System

Preliminary Preparation

Sand

25 2 9 16 23 30 6 13 20 27 4 11 18 25 1 8 15 22 29 5 12 19 26 5 12 19 26 2 9 16Sep '05 Oct '05 Nov '05 Dec '05 Jan '06 Feb '06 Mar '06 Apr '06


Year-1 Schedule Year-1 Schedule (2005-2006)(2005-2006)

Hyperlink Href Task Name Text10

Initial Preparatory Test

Actuator/Controller

Ground Motion

Controller Design

Controller Test

Box Assembly

Instrument Tactile Pressure Sensor

Sand Filling

Density Control/CPT Test

Shaking

Initial Test LG-1

Soils Report

Instruments Placement

Data Sharing/IT Planning

Slurry Pumping

CPT / Density Testing

Strong Floor Shaking

Data Reporting / Archiving

Empty the Laminar Box

Initial Test SG-1

Slope the bottom ring

Instruments Placement

Slurry Pumping

CPT / Density Testing

Strong Floor Shaking

Data Reporting / Archiving

Empth the Laminar Box

Task 1: Single pile testing

Test 1A:High EI Pile Test

Planning Testing

Test Preparation

Test 1B: Low EI Pile Test

Planning Testing

Test Preparation

1/30

1/30

4/17

5/1

6/1

4/30

4/30

4/30

SG-1 TEST

HIGH EI PILE TESTING

LOW EI PILE TESTING

Actuator/Controller

Box Assembly

Initial Preparatory

LG-1 TEST

SINGLE PILE TESTING

30 6 13 20 27 4 11 18 25 1 8 15 22 29 5 12 19 26 5 12 19 26 2 9 16 23 30 7 14 21 28 4 11 18 25 2 9 16 23 30 6 13Oct '05 Nov '05 Dec '05 Jan '06 Feb '06 Mar '06 Apr '06 May '06 Jun '06 Jul '06 Aug '06


Laminar Box DimensionsLaminar Box Dimensions

6 .2 m ( 2 4 A lu m in u m L a m in a t e s )

1 3 5 d e g .

S t e e l B r id g e w i t h B o t t o m B e a r in g s

S t r o n g F lo o r S u p p o r t P la t e

B r id g e D e c k

2.75

m

3.35

m

4.27

m

Ste

el B

rid

ge

1 .1 4 m

7 .3 2 m

0 .5 7 m

5 .0 m

E L E V A T I O N

Parameter Unit Value

Single laminate thickness

m 0.254

Single laminate weight kN 7

Empty box weight excluding steel bridge

kN 168

Empty box weight including steel bridge

kN 250

Friction between laminates

% -----

Inter-laminate displacement limit

m 0.036

Maximum soil volume m3 77.2

Maximum weight (soil & box)

kN 1850

Maximum horizontal acceleration

g 0.3


Laminar Box – Strong Floor Foot PrintLaminar Box – Strong Floor Foot Print12 11 10 9 8 7 56 4 3 2

J

I

H

G

F

E

D

C

B

RE

AC

TIO

N W

AL

L

A

K

L

M

N

O

14 1315161718192024 23 22 21

C9 C8

S

E

B8B9

Strong Floor – ReservedApril 1 – Oct.31, 06


LAMINAR BOX-ACTUATOR LAMINAR BOX-ACTUATOR

ReservedApril 1 – Oct.31, 06

Controller – To be tested by Mark Pitman – 3/15-4/15/06


Laminar Box – Strong Floor Laminar Box – Strong Floor Shaking Setup Shaking Setup


Loading FrameLoading Frame

Design Completed; Quotes Accepted; Purchase in progress; Delivery March15, 06


Strong Floor – Bearing SupportStrong Floor – Bearing Support


Laminar Box – Strong Floor ModificationLaminar Box – Strong Floor Modification

PLAN VIEW

Machined Base Steel Plate – UB NEES Funded


Actuator Loading SetupActuator Loading Setup


Floor Reactions (kips)Floor Reactions (kips)(Dead Weight)(Dead Weight)

Design Completed; Loading within Tolerable Limits; Strong Floor to be leveled using Steel Base Plate, Funding approved; Purchase in progress


Floor Reactions (kips)Floor Reactions (kips)(Longitudinal Shaking)(Longitudinal Shaking)

•See Next Page for results after removing tensions


Floor Reactions (kips)Floor Reactions (kips)(Longitudinal Shaking)(Longitudinal Shaking)

•All negative reaction Supports are removed


LG-1 & SG-1 Data for LG-1 & SG-1 Data for FEM/DEM ModelersFEM/DEM Modelers

• Draft Report Released Feb 15, 06.

• Ground Motion Report – Released Feb. 1, 06.

• Soils Report -- Thevanayagam, S., Shenthan, T., and Kanagalingam, T., (2003). “Role of intergranular contacts on mechanisms causing liquefaction and slope failures in silty sands. “Final Report, USGS Award No. 01HQGR0032 and 99HQGR0021; US Geological Survey, Department of Interior, USA,‘http://erp-web.er.usgs.gov/reports/abstract/2001/pt/01hqgr0032-report.pdf , 396p.

• Soil Property Test Data – Available in EXCEL Format


Gradation and Index Properties Gradation and Index Properties of OS#55 Sand of OS#55 Sand

0

20

40

60

80

100

0.01 0.1 1 10Dia. (mm)

% P

as

sin

g

Parameters Values

FC (%) 00

emax 0.800

emin 0.608

D10 (mm) 0.161

D30 (mm) 0.201

D50 (mm) 0.230

D60 (mm) 0.245

Cu 1.522

Cc 1.024

Permeability (m/s) 1 x 10-5


Typical Cyclic Triaxial Test Data Typical Cyclic Triaxial Test Data for OS#55 Sand for OS#55 Sand

-12

-8

-4

0

4

8

12

0 4 8 12

Number of Cycles

Ax

ial S

tra

in (

%)

0

20

40

60

80

100

120

0 4 8 12

Number of Cycles

Us

h (k

Pa

)

-60

-40

-20

0

20

40

60

0 4 8 12

Number of Cycles

q (

kP

a)

-60

-40

-20

0

20

40

60

0 20 40 60 80 100 120

p' (kPa)

q (

kP

a)


Draft Ground Draft Ground Motion:Motion:

umax = 0.74’’f = 2 Hzfn = 5 – 7 Hzamax = 0.3 g


Expected Pore Pressure Vs Time Expected Pore Pressure Vs Time - Draft Shaking Motion- Draft Shaking Motion

0.0

0.2

0.4

0.6

0.8

1.0

0 20 40 60 80Time (s)

r u Depth = 1.5 m

Depth = 3.0 m

Depth = 4.5 m

Depth = 5.625 m

= 0.25 (constant)

ru vs Time

(Based on UB Energy based Liq. Model)


Equipment & Instruments – PlanEquipment & Instruments – PlanEquipment

Total Needed

Total (k$)UB-

OtherNEES Lab

Other (Theva)

Project(k$)

Remarks Detail Quotation Received

Contact

Laminar Box 0 Complete

Floor Plate 30 30 Fabrication YES

YES

Sand Filling (Pumps & Hoses) Accessories - Hoist & Cables

3 2 1 Complete

Access w ay for sand storage Area 3 3 March. 30

Drainage Pipes 0.5 0.5 March. 30

Membrane 1 6 6

April. 30 (one available, one more needed)

YES

Pipe Piles & Cap 6 6 TBD

CPT (& Readout Box?) 15 15 1 Need to Test YES BYU - Rollins

Instrumentation: Soil

Soil: Accelerometers on Ring 34 0 0 Available & ok Sensotec 10 GAccelerometers in soil 28 0 5 16 available, 12 more

needed; All need to be w ater-sealed

PCB Piezotronics Model 353 B17, Housing Material: Titanium, Size: 0.28'' x 0.49''

YES Terry McCarville tel: 883-843-4648 fax: 585-547-2395

Piezometers 54 35 35 3mo lead time GE Druck Model PDCR 81-Also measures dynamic pore pressure

YES Ron Frank tel: 585-586-8710

Mounting Frame for Displacement 0 0 Available

Potentiometers 40 0 0 Available Linear Potentiometer: 20 available, ±.25 : ±2.0in LVDT: 15 available, ±0.5 : ±0.2in MTS Temposonic Displacement Transducer:31 available

Junction box 0 0 Available

Data Acq. System (256 Channel) 0 0 Available Krypton Imager 1 0 0 Available Krypton K600 Portable CMM System

Tactile Pressure Sensor 9 0 0 Available at RPI

0.3 m gap betw een measurement w w w .measurand.com

16 TBD (est. 15k) Measures acceleration and YES tel:506-462-9119

permanent lateral displacement fax:506-462-9095

Instrumentation: Pile

Strain Gages 66 5 0 5 CEA-06-125UW-120MEMS Shape Cable 16 16 TBD (est. 10k)

Tactile Pressure Sensor 5 0 0 Available at RPIOther TBD

Total 202 30 61 15 103Shaking Trials Scheduled

Real Experiments 10 w eeks/Test

Available Project$ for Equip 100

Wanda G.Turner Tel:(800)-345-6170

2 w eeks lead time

3 x 200 kips Dynamic Actuators0

Complete

Laminar Box-Strong Floor-Shaking 49 49 Design/Fabrication

YES

MEMS Shape Cable 16

Ottaw a F-55 Sand (160tons) 18 1840 tons available, 100 tons (Nov/Dec)

Planning & Quotes Completed; Purchase in progress; Delivery April 5, 06


Instrumentation – LG-1 & SG-1 Plan ViewInstrumentation – LG-1 & SG-1 Plan View

Instrumentation to be coordinated with NEES-Wood Project


Soil InstrumentationSoil Instrumentation


Instrumentation: Tests LG-1 & SG-1 Instrumentation: Tests LG-1 & SG-1 (Deg.)

r (m) Wall 0.6 Ring 0.9 1

Z (m)MEM

S P PX-

ACCY-

Acc P TP TPX-

AccY-

AccX-Pot P P TP

Y-Pot

MEMS P TP TP Kryp Video

0.00 1 1 1 1 1 1 10 10.25 1 1 1 1 1 1 1 10.50 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 40.751.00 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 41.251.50 1 1 1 1 1 1 1 1 1 1 1 1 1 41.752.00 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 42.252.50 1 1 1 1 1 12.753.00 1 1 1 1 1 1 1 1 1 1 1 1 1 1 13.253.50 1 1 1 1 1 1 13.754.00 1 1 1 1 1 1 1 1 1 1 1 1 1 14.254.50 1 1 1 1 1 14.755.00 1 1 1 1 1 1 1 1 1 1 1 1 1 15.255.50 1 1 1 1 1 15.756.00 1 1 1 1

6.20-FixedBase 1 4 4 4 1 1 1 1 1

West North East

0 0.9 Ring2 21

South

Ring


Instrumentation – Test 1A & 1B (Single Instrumentation – Test 1A & 1B (Single Pile)Pile)


N-S W-E

MEMS ShapeCable

Instrumentation – Test 1A & 1BInstrumentation – Test 1A & 1B


Instrumentation: Single Pile Instrumentation: Single Pile (Test 1A & 1B)(Test 1A & 1B)

Z(m) WallOn Pile Ring 5D

On Pile 3D Ring Video

TPMEM

S S P PMEM

S P TPX-

AccY-

Acc TPX-

AccY-

AccX-Pot S

MEMS P TP P

Y-90-Pot S P P MEMS TP S TP Kryp

Head/ Cap 1 1 1 1 1 4 1

0.00 1 1 1 1 1 1 1 1 1 1 1 1 1 1 10 10.25 1 1 1 1 1 1 1 1 1 10.50 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 40.75 1 1 1 11.00 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 41.25 1 11.50 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 41.75 1 12.00 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 42.252.50 1 1 1 1 1 1 1 1 1 1 1 1 12.753.00 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 13.253.50 1 1 1 1 1 1 1 1 1 1 1 1 13.754.00 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 14.254.50 1 1 1 1 1 1 1 1 1 1 1 14.755.00 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 15.255.50 1 1 1 1 1 1 1 1 1 1 1 15.756.00 1 1 1 1 1 1 1 1

6.20-FixedBase 1 4 4 4 1 1 1 1 1

North East South

On Pile On Pile2D 5D Ring D 3D

West

2D


Soil-Pile InstrumentationSoil-Pile Instrumentation

KRYPTON


5.0 m

2.75

m

6.2 m

SECTIONAL VIEW

PLAN


Pile

=2 or 3 deg.

F#55Sand, Dr~45%

3.35

m

5.6 m


Ball Bearings

Pile Cap

Group Pile - Test 3 (Yr-2)Group Pile - Test 3 (Yr-2)


Instrumentation: Test 3 (Instrumentation: Test 3 (2x2 Group)2x2 Group)X(m) Wall -D D

Y(m) 0 -D 0 D -D 0 D-D D D 2D -D D -3D -D D 2D -D -D -D D -D 0 D -D 0 D

Z(m) TP X-Acc TP P P MEMS P P P P S TP S P S SY-pot

Kryp

video TP P TP MEMS S S P S TP

MEMS S P P P P

MEMS P P TP

X-Acc

Y-Acc

X-Acc

Y-Acc

X-Pot

Head/ Cap 4 1 1 1

1 1 1 1 10.00 1 1 1 1 1 1 1 10 1 1 1 1 1 1 1 1 1 1 1 1 10.25 1 1 1 10.50 1 1 1 1 1 1 1 1 1 1 1 4 1 1 1 1 1 1 1 1 1 1 1 1 1 1 10.75 1 1 1 11.00 1 1 1 1 1 1 1 1 1 1 1 1 1 1 4 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 11.25 1 1 1 11.50 1 1 1 1 1 1 1 1 1 1 4 1 1 1 1 1 1 1 1 1 1 1 11.75 1 1 1 12.00 1 1 1 1 1 1 1 1 1 1 1 1 1 1 4 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 12.25 1 1 1 12.50 1 1 1 1 1 1 1 1 1 1 1 1 12.753.00 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 13.253.50 1 1 1 1 1 1 1 1 1 1 1 1 1 13.754.00 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 14.254.50 1 1 1 1 1 1 1 1 1 1 1 1 14.755.00 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 15.255.50 1 1 1 1 1 1 1 1 1 1 1 1 15.756.00 1 1 1 1 1 1 1 1 1 1 1

6.20-FixedBase 1 1 1 1 1 1 4 4 4

-5.5D

0

3.5D 5.5D-3.5D -1.5D -1.5D -0.5D Ring

-Ring 3D 0 0

1.5D0.5D 1.5D0


Instrumentation: Test 3 (Instrumentation: Test 3 (2x2 Group)2x2 Group)Wall -D D

0 -D 0 D -D 0 D-D D D 2D

-D D

-3D -D D

2D -D -D -D D

-D 0 D

-D 0 D

Unit Pr.

Meas.

Total Need

Available

Purchase TP

X-Acc TP P P

MEMS P P P P S TP S P S S

Y-pot

Kryp

video TP P TP

MEMS S S P S TP

MEMS S P P P P

MEMS P P TP

X-Acc

Y-Acc

X-Acc

Y-Acc

X-Pot

Freq 100Chan-

TP 19Chan-

A 258Chan-

K 30Chan-

M 4

DAQ 3

TP 19 5 1 5 1 1 5 1

0.012 S 111 2.7 9 19 8 19 19 9 19 9

5.000MEM

S 49 25.0 12 12 13 12

0.640 Piezo 54 34.6 4 4 3 3 4 3 4 4 4 3 4 3 4 3 4

0.400X-

Acc 37 25 4.8 12 8 17Y-

Acc 25 25 8 17

X-Pot 17 20 17Y-Pot 14 20 14Vide

o 4 4K-

270 30 50 30

-5.5D -3.5D -1.5D -1.5D -0.5D 0 0.5D 1.5D 1.5D 3.5D 5.5D Ring

00 -Ring 3D 0


Year-1 StatusYear-1 Status Planning, Design, Fabrication & Procurement

Box, Sand, Instruments - Design completed, Quotations received, purchase order in progress – Product Delivery March 15. Instruments Delivery April 15. Box Assembly – Scheduled March 15 – 31 Ground Motion to be discussed - Finalize by April 15 Control – Mark Pitman - Scheduled March 1-April 15

Preparatory Testing Sand Construction, Dry Runs & Preliminary Equipment Tests – Scheduled April 1-30

Saturated Free-Field Liquefaction Level Ground (LG-1) – Scheduled May 1-30 Sloping Ground (SG-1) – Scheduled June 1-30 Pre-test Data for FEM/DEM modelers – Preliminary Report Released Feb. 15

Single Pile High-EI Pile (Test 1A) – Preparation May 1-July31; Testing Aug 1-31 Low-EI Pile (Test 1B) – Preparation May 1-July31; Testing Sept. 1-30

Coordination w/ Centrifuge Tests & IT


Equipment & Instruments – PlanEquipment & Instruments – PlanEquipment

Total Needed

Total (k$)UB-

OtherNEES Lab

Other (Theva)

Project(k$)

Remarks Detail Quotation Received

Contact

Laminar Box 0 Complete

Floor Plate 30 30 Fabrication YES

YES

Sand Filling (Pumps & Hoses) Accessories - Hoist & Cables

3 2 1 Complete

Access w ay for sand storage Area 3 3 March. 30

Drainage Pipes 0.5 0.5 March. 30

Membrane 1 6 6

April. 30 (one available, one more needed)

YES

Pipe Piles & Cap 6 6 TBD

CPT (& Readout Box?) 15 15 1 Need to Test YES BYU - Rollins

Instrumentation: Soil

Soil: Accelerometers on Ring 34 0 0 Available & ok Sensotec 10 GAccelerometers in soil 28 0 5 16 available, 12 more

needed; All need to be w ater-sealed

PCB Piezotronics Model 353 B17, Housing Material: Titanium, Size: 0.28'' x 0.49''

YES Terry McCarville tel: 883-843-4648 fax: 585-547-2395

Piezometers 54 35 35 3mo lead time GE Druck Model PDCR 81-Also measures dynamic pore pressure

YES Ron Frank tel: 585-586-8710

Mounting Frame for Displacement 0 0 Available

Potentiometers 40 0 0 Available Linear Potentiometer: 20 available, ±.25 : ±2.0in LVDT: 15 available, ±0.5 : ±0.2in MTS Temposonic Displacement Transducer:31 available

Junction box 0 0 Available

Data Acq. System (256 Channel) 0 0 Available Krypton Imager 1 0 0 Available Krypton K600 Portable CMM System

Tactile Pressure Sensor 9 0 0 Available at RPI

0.3 m gap betw een measurement w w w .measurand.com

16 TBD (est. 15k) Measures acceleration and YES tel:506-462-9119

permanent lateral displacement fax:506-462-9095

Instrumentation: Pile

Strain Gages 66 5 0 5 CEA-06-125UW-120MEMS Shape Cable 16 16 TBD (est. 10k)

Tactile Pressure Sensor 5 0 0 Available at RPIOther TBD

Total 202 30 61 15 103Shaking Trials Scheduled

Real Experiments 10 w eeks/Test

Available Project$ for Equip 100

Wanda G.Turner Tel:(800)-345-6170

2 w eeks lead time

3 x 200 kips Dynamic Actuators0

Complete

Laminar Box-Strong Floor-Shaking 49 49 Design/Fabrication

YES

MEMS Shape Cable 16

Ottaw a F-55 Sand (160tons) 18 1840 tons available, 100 tons (Nov/Dec)

Planning & Quotes Completed; Purchase in progress; Delivery April 5, 06


Sand Construction - Hydraulic Sand Construction - Hydraulic FillingFilling

Initial Slurry Pump Tests completed – Oct 05;Sand pumping/Density Control Tests – April 06 (weather)


Hydraulic Placement Methods Hydraulic Placement Methods


Field Hydraulic Fill Placement Methods Field Hydraulic Fill Placement Methods & CPT Results & CPT Results

High SpeedHigh Speed

Low Speed + Compaction

Bottom DumpBottom Dump


Hydraulic Fill – Field CPT DataHydraulic Fill – Field CPT Data(Mitchell et al.)(Mitchell et al.)

Better Control Possible in the Lab. Better Control Possible in the Lab. Environment; Includes plans for development Environment; Includes plans for development of placement controls to achieve desired of placement controls to achieve desired density rangesdensity ranges


Open for Discussion by All Open for Discussion by All ResearchersResearchers

Structural Engineering and Earthquake Simulation Laboratory Task 1 (1g Tests) Experimental and...

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Transcript of Structural Engineering and Earthquake Simulation Laboratory Task 1 (1g Tests) Experimental and...