文档介绍：RELIABILITY-BASED DESIGN OF FOUNDATIONS FOR
TRANSMISSION LINE STRUCTURES
A Dissertation#
Presented to the Faculty of the Graduate School
of Cornell University
in Partial Fulfillment of the Requirements for the Degree of
Doctor of Philosophy
by
Kok-Kwang Phoon
May 1995
# Dissertation substantially equivalent to Report TR-105000 (first 4 pages enclosed).
Full citation: Phoon, K-K., Kulhawy, F. H., & Grigoriu, M. D., "Reliability-Based
Design of Foundations for Transmission Line Structures", Report TR-105000,
Electric Power Research Institute, Palo Alto, CA, July 1995, 380 p.
Reliability-based design of foundations for transmission line structures (Phoon KK)
TABLE OF CONTENTS
List of Tables
List of Figures
List of Symbols
Section 1 INTRODUCTION 1-1
Observations on Traditional Design Practice 1-3
Limit State Design 1-6
Non-Probabilistic Limit State Design 1-11
Probabilistic Limit State Design 1-16
Scope of Study 1-24
References 1-26
Section 2 RELIABILITY-BASED DESIGN 2-1
Design Problem From a Reliability Perspective 2-1
Formalization of Uncertainty and Risk 2-2
Assessment of Reliability 2-6
Normal Random Variables 2-6
Log-Normal Random Variables 2-10
First-Order Reliability Method 2-13
Reliability-Based Design 2-20
Target Probability of Failure 2-21
Reliability-Based Design Format 2-28
Derivation of Load and Resistance Factors 2-33
Definition of Nominal Soil Strength 2-35
Reliability-based design of foundations for transmission line structures (Phoon KK)
General Calibration Procedures 2-39
Summary 2-45
References 2-46
Section 3 ASCE STATISTICAL GUIDELINES ON LOADINGS 3-1
Load-Producing Events 3-1
Wind Speed 3-2
Ice Thickness 3-10
Combined Wind and Ice 3-14
Special Load