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Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal Nusairat, Ph.D., P.E. May 7, 2013

Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

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Page 1: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Drilled Shaft Instrumentation and

Lateral Load Testing

Ironton-Russell Bridge over the Ohio

River

ODOT OGE Workshop

Jamal Nusairat, Ph.D., P.E.

May 7, 2013

Page 2: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Presentation Outline

• ODOT Research on Rock Socketed

Drilled Shafts

• Lateral Load Test Special Provision

• Instrumentation and Testing

• Lateral Load Test Results

Page 3: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Ohio Bedrock – Map of Testing

Calcareous

Shales

Non-

Calcareous

Shales

Limestone

and Dolomite

Shales and

Sandstone

Red

Shales

= Test Completed

= Proposed

LEGEND

= Pressuremeter

The bedrock map is from the ODNR website

Page 4: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

A New Correlation for Em based on GSI Classification ODOT SJN 134137: Design of Rock Socketed Drilled Shafts

A new correlation based on GSI rock classification system was proposed using data from Nicholson and Bieniawski (1990) and Ironton-Russell test data

Em=Ei exp(GSI/21.7) / 100

Page 5: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Proposed Em Correlation Based on GSI Classification

0.0

20.0

40.0

60.0

80.0

100.0

0 20 40 60 80 100

GSI

Em

/Ei (

%)

Bieniawski (1978)

Serafin and Pereira (1983)

Ironton-Russell

Regression

Em/Ei=exp(GSI/21.7)/100

Page 6: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Lateral Load Test Submittal

Page 7: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Test Planning and Preparation

Page 8: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Test Planning and Preparation

Page 9: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Test Planning and Preparation

Page 10: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Subsurface Profile Subsurface Profile

Page 11: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Rock Coring

Boring B-7 rock core run 1 and 2.

Page 12: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Subsurface Profile Pressuremeter Testing

Page 13: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Subsurface Profile Pressuremeter Testing

Page 14: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Subsurface Profile Pressuremeter Testing

Page 15: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Subsurface Profile Pressuremeter Testing

Page 16: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

c

p

v

1vv12

b

m0

RRE

Interpreting Dilatometer Test Data

Page 17: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Dilatometer Test Results

Page 18: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Unconfined Compressive Strength Test Results

Page 19: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Testing Summary

Page 20: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Comparison of Dilatometer Modulus Vs. Unconfined Compression Modulus

Average dilatometer modulus, Emass = 569 ksi

Average unconfined compressive strength modulus, Ecore = 1,670 ksi

Modulus reduction ratio, Emass/Ecore = 0.34

For RQDavg = 84%, the modulus reduction ratio compares favorably with Bieniawski (1984)

Page 21: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Test Shaft 1 Proof Cores

Page 22: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Type of

Instrument

Sister

Bar

(each)

Load

Cell

(each)

Inclinomet

er Tube

(ft.)

Tiltmete

r

Survey

Prisms

Dial

Gages

Test Shaft #

1

26 ft. Deep

Socket

22 1 75 1 4 1

Test Shaft #

2

18 ft. Deep

Socket

22 65 1 4 1

Total

Quantity 44 1 140 2 8 2

Instrumentation used for lateral load test

Page 23: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Test Shafts Instrumentation

Page 24: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Test Planning and Preparation

Page 25: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Test Planning and Preparation

Page 26: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Test Planning and Preparation

Page 27: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Test Planning and Preparation

Page 28: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Test Planning and Preparation

Page 29: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Test Results - Deflection

Page 30: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Test Results - Deflection

Page 31: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

T.S. # 1 T.S. # 2

Page 32: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Test Results - Deflection

Page 33: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Test Results - Deflection

Page 34: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal
Page 35: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal
Page 36: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Test Results – Tilt Angle

Page 37: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

Layer

No.

Top

Elev.

(ft.)

Bottom

Elev.

(ft.)

Unit

Wt.

(pcf)

Elasticity

Modulus

(psi)

Uniaxial

Compressive

Strength

(psi)

RQD

(%)

Notes

1 473 469 140 10000 6400 97 Weathered

Sandstone

2 469 457 140 120000 9000 100 Unweathered

Sandstone

3 457 450 135 5000 250 75 Coal/claystone

4 450 ? 140 120000 9000 100 Unweathered Sandstone

Selected Parameters to Match the Deflection from Lateral Load Test

Page 38: Drilled Shaft Instrumentation and Lateral Load Testing ... · Drilled Shaft Instrumentation and Lateral Load Testing Ironton-Russell Bridge over the Ohio River ODOT OGE Workshop Jamal

LPILE Results