NCHRP Report 507: Load and Resistance Factor Design (LRFD) for Deep Foundations
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  • 87 pages
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NCHRP Report 507:
Load and Resistance Factor Design (LRFD) for Deep Foundations
(2004)
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Overview

Authors

Description

TRB's National Cooperative Highway Research Program (NCHRP) Report 507: Load and Resistance Factor Design (LRFD) for Deep Foundations examines resistance factors for driven pile and drilled shaft foundations,and provides a procedure for calibrating deep foundation resistance.

Errata - Table 29 and Figure 47 in the pdf of NCHRP Report 507 contains incorrect information. An update to Table 29 and Figure 47 are available on-line.

Topics

  • Transportation — Bridges and Other Structures
  • Transportation — Geotechnology
  • Transportation — Hydraulics and Hydrology
Contents

Table of Contents

skim chapter
Front Matter i-ix
Summary 1-2
1.2.2 Limit States Design 3-3
1.3.1 Principles 4-4
1.3.3 LRFD Performance and Advantages 5-5
1.3.5 LRFD for Deep Foundations 6-7
1.4.2 Overview of the Research Approach 8-8
1.4.3 Principles and Framework of the Calibration 9-13
2.1.2 Major Findings 14-15
2.3.2 Failure Criterion for Statically Loaded Driven Piles 16-17
2.3.4 Failure Criterion for Statically Loaded Drilled Shaft 18-18
2.5.1 Overview 19-19
2.5.2 Methods of Analysis 20-21
2.5.3 The Controlling Parameters 22-26
2.7.2 Concepts for Establishing Target Reliability 27-27
2.7.3 Target Reliability for Structures 28-28
2.7.5 Recommended Target Reliability 29-29
2.8.2 Parameter Study - The Limited Meaning of the Resistance Factor Value 30-30
2.8.3 The Design Methods' Efficiency 31-32
3.1.2 Driven Piles - Dynamic Analysis 33-34
3.1.3 Drilled Shafts - Static Analysis 35-35
3.2.1 Overview 36-36
3.2.3 Equivalent Factors of Safety 37-37
3.2.4 Detailed Tables 38-38
3.3.1 Overview 39-39
3.3.2 Resistance Factors for Static Pile Load Tests 40-40
3.3.3 Numbers of Dynamic Tests Performed on Production Piles 41-42
3.3.4 Testing Drilled Shafts for Major Defects 43-46
3.4.2 Static Analysis of Driven Piles 47-47
3.4.3 Dynamic Analysis of Driven Piles 48-48
3.4.5 Static Load Test 49-49
3.4.7 Design Considerations 50-51
3.5.1 Overview 52-52
3.5.2 Working Stress Design 53-54
3.5.4 Actual Probability of Failure 55-70
4.2.2 Framework for LRFD Design for Deep Foundations, 71-72
Bibliography 73-76
Appendixes 77-77
Abbreviations used without definitions in TRB publications 78-78

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