Stresswave '96 : fifth International Conference on the Application of Stress-Wave Theory to Piles / International Conference on the Application of Stress-Wave Theory to Piles (5th. : 1996 sep. 11-13 : Orlando, Florida)

CONTENIDO
Keynote Lecture
Reflections on Pile Dynamics K1
Session 1 - Equipment
Dynamic Model Pile Testing with Pore Pressure Measurements 1
Underwater Dynamic Testing 12
Use of an Instrumented Follower 18
In-Situ Measurement of Soil-Motion Near the Toe of a Dynamically Loaded Pile 26
Session 2 - Theory
Estimating Damping Constant of the Pile Soil System Directly from Measured Displacement using Hilbert Transform Technique 37
Closed Form Solution to Wave Equation for Steam and Hydraulic Hammers 55
The Wavelet Effect Theory and the Waveshape Character of Dynamic Pile Tests 68
Theoretical Analysis of the Pile Driving Formula 81
Increase of Skin Friction Resistance on Single Pile Due to Pile Group Effect in Sandy Soils 89
Development and Potential of the Wave Equation in Closed Form as Applied to Pile Dynamics 98
Session 3 - Wave Equation Models
Laboratory Test-Based Wave Equation Analysis of Friction Piles in Clay 113
Soil Damping in Wave Equation Analysis of Pile Capacity 128
Wave Equation Correlation Studies 144
Wave Equation Soil Constants from Dynamic Measurements on SPT 163
Session 4 - Wave Equation Models
Identification of Soil-Pile interaction Model parameters from HST Data 176
Modeling Nonlinear Pile-Soil Interaction: Inertia and Seismic Response 188
Soil Inertia and the Use of Pseudo Viscous Damping Parameters 203
A Soil Plug Study 217
Session 5 - Dynamic Testing
Dynamic Testing of Steel Pipe Piles 228
The Research of "Blind Region" in Dynamic Pile Testing 235
PDA Practice in Switzerland: some unusual examples 246
Dynamic Pile Tests on PSp 1000 Double Sheet Piles 255
On the Application of PDA Dynamic Pile Testing 263
Session 6 - Capacity
Dynamic Load Test Method with Variable Energy 274
An Approach to Define the Continuous Driving Mobilized Resistance 282
Dynamic Tension Waves and their Use for the Determination of the Uplift Capacity of Piles 290
Dynamic Soil Responses of Impact Pile Driving. A Case History Study 300
The Evaluation of Soil Resistance During Continuous Driving in Calcareous Soils 313
Session 7 - Capacity
Dynamic Analyses and Time Dependent Pile Capacity 325
A New Method for Determining the Pile Bearing Capacity in High Strain Tests 340
Compression and Uplift Static Capacity of Driven H-Piles 350
Pile Capacity Estimation Using New HST Interpretation Method 367
Determining Soil Resistance from Pile Driving by Using an Accelerator 382
Session 8 - Signal Matching
A Discussion on the Uniqueness of CAPWAP-type Analyses 394
Bearing Capacity Evaluation of the Soil-Cement Injected Pile Using CAPWAP 409
Stress Wave Matching by Neutral Network 420
Multiple Blow CAPWAP Analysis of Pile Dynamic Records 435
Session 9 - Prediction Reliability
CAPWAP Correlation Studies 447
Reliability of Dynamic Load Testing Compared with Soil Parameters: A Case Study of Foundation Piles of Noetsu Bridge 465
Dynamic Monitoring Program Results Indicator Pile Tests I-880 480
Conditions of Reliable Predictions from Dynamic Pile Load Tests 495
The Combined Utilization of the Static Loading Test and the Dynamic Test for Piles 506
Session 10 - Driveability
Residual Stress Systems Arising from Different Methods of Pile Installation 518
Theoretical Study of Pile Driving 529
Use of Dynamic Load Testing in the Design and Construction Control of Foundation Piles of Noetsu Bridge 544
Pile Driving Beneath an Operational Railroad Bridge 560
Session 11 - Driveability
An Improved Pile Drivability Method for Soft and Hard Clays from Offshore Pile Driving Case Histories 573
Dynamic Testing in Pile Driving Test Programs and Production 587
An Optimized Pile Foundation: A Case History 596
Session 12 - Integrity Drilled Shafts
Distinguish Rock-Socketed Status of Pile Toe by Low Strain Testing 607
Experiences with Low Strain Integrity Testing of Cast Insitu Piles 612
Low-Strain Integrity Testing as Quality Control of Old Piles for Reintegration in a New Foundation 626
Jet Grouting Column Integrity Testing 633
Session 13 - Integrity Drilled Shafts
Integrity Testing of Foundation Piles in Bangladesh - A Case Study 644
Integrity Testing of Mixed-in-Place Pile and Velocity Determination 657
Quality Control of Bored Piles with Bulb Basement by Integrity Testing 661
Session 14 A - Integrity Sonic
Three Stress-Wave Methods for the Determination of Unknown Pile Depth 673
Evaluation of Defect Detection During Pile Curing Using Sonic Integrity Logging Methods 688
Comparison of Cross Hole and Single Hole Sonic Integrity Logging Methods 698
Effects of Intervening Structure on Impulse Response Signals 708
Disperse Wave Propagation Analysis for Condition Assessment of Marine Timber Piles 721
Determining Embedment Depths of Deep Foundations Using Non-Destructive Methods 733
Session 14 B - Large Piles
Dynamic Testing of Barretes for a Cement Silo Project 748
Selection of a Hammer for High-Strain Dynamic Testing of Cast-in-place Shafts 759
Use of Dynamic Tests During Driving of Large Diameter Piles in Marsh Soils 773
Determination of the Bearing Capacity of a Large Diameter Pile from Dynamic Loading Test 788
Determining the Bearing Capacity of Larger-Diameter Cast-in-Situ Piles by High-Strain Pile-Testing 797
High Strain Dynamic Testing of Cast in-situ Piles in the UAE 805
Session 15 A - Integrity Low Strain
Integrity Testing of Concrete-Filled Steel Tube Piles 823
Some Experiences of Low-Strain Tests on Piles of Known Geometry 831
Investigations of Subsurface Bridge Foundation Conditions in Alabama 846
Low Strain Testing of Piles Utilizing Two Acceleration Signals 859
15 B - Hammer Performance
Velocity-Impedance-Energy Relationships for Driven Piles 870
Pile Driving Analysis - Hammer Performance During Continuous Driving 891
Driving Stress Control During Installation of Precast Prestressed Cylindrical Concrete Piles 903
Hammer Performance Evaluations 912
Session 16 A - Integrity Low Strain
Integrity Testing in the 1995 Hanshin Earthquake 928
Quantitative Analysis for Pile Integrity 939
Interpretation of Low Strain Pile Testing Records 945
Detection Limits of Integrity Testing 960
Session 16 B - Integrity High Strain
Use of the Pile Driving Analyzer to Determine Construction Inadequacies in Bored Piles 965
Assessment of Pile Integrity and the Mobilized Bearing Resistance using Mid-range Dynamic Test 971
Pile Damage Assessment Using the Pile Driving Analyzer 980
Determination of the Steel Pipe Pile Length and Bearing Capacity of Main-Tower Foundation on Shanghai Yang-Pu Bridge 991
Session 17 A - Statnamic
Statnamic Tests on Offshore Steel Pipe Piles for Foundations of Access Bridge for New Kita-Kyushu Airport 997
Wave Propagation Phenomena in Statnamic Tests of a Steel Pipe Pile 1015
Pseudo Static Pile Load Tester 1031
A Review of the Analysis of Statnamic Pile Tests 1038
The Use of a Signal-Match Approach to the Analysis of Statnamic Tests 1051
The Influence of Stress Wave Phenomena during Statnamic Load Testing 1062
Session 17 B - Vibratory
Numerical Study of Vibratory Pile Driving 1078
High Amplitude Impact Vibration Tests: A Hydraulic Gradient Pile Simulation 1089
A Method to Predict the Drivability of Vibratory Driven Piles 1101
A New Model for the Vibration of Circular Pile Foundations 1113
Effects of Vibro-Dynamics on Pile Driving 1127
Miscelaneous Topics
An Improved Method for the Real Time Calculation of Soil Resistance During Driving 1132
Analysis of Vibrational Frequencies and Motion Responses of Pile Excited by Impulse 1144
Model Pile Behavior During Driving in Sand 1149
Application of PDA Dynamic-Testing Method to Large Diameter Bored Piles 1159
Finding the Length of Installed Steel H-Piles by Dispersive Bending Wave Propagation Methods 1172