Preface PART Ⅰ INTRODUCTION Chapter 1 Concept of Soft Design in Engineering PART Ⅱ MATHEMATICAL TREATMENTS OF UNCERTAINTY INFORMATION Chapter 2 Uncertainty of Matters Chapter 3 Basis of Theory of Probability Chapter 4 Basis of Theory of Fuzzy Sets Chapter 5 Methods and Applications of Fuzzy Comprehensive Evaluation Chapter 6 Mathematical Treatment of Unascertained Information PART Ⅲ GLOBAL OPTIMIZATION OF ENGINEERING SYSTEMS Chapter 7 Global Decisions for An Engineering Project Chapter 8 Decision for Structural Optimal Reliability Chapter 9 Relation Between Construction Cost and Reliability of Engineering System Chapter 10 Reliability of Engineering System with Dependent Failures Chapter 11 #lobal Optimization of Engineering Systems PART Ⅳ THEORY OF STRUCTURAL SOFT DESIGN Chapter 12 Structural Optimal Design and Uncertainty Factors Chapter 13 Fuzzy Optimal Design of Structures Chapter 14 Satisfactory Solution of General Fuzzy Random Programming Chapter 15 Generalized Reliability of Structures PART Ⅴ PRACTICAL METHODS OF STRUCTURAL SOFT DESIGN Chapter 16 Assessment of Design Loads for Structures Chapter 17 Decision of the Optimal Design Load Level for Engineering Structures Chapter 18 Structural Soft Design with Optimal Load Level PART Ⅵ CONTROL AND MAINTENA CE OF STRUCTURES Chapter 19 Control of the Behaviour of Structures Chapter 20 Exploration of Maintenance Theory for Structures 352 PART Ⅶ BUILDING OF EXPERT SYSTEMS Chapter 21 Character of Expert Systems for Engineering Soft Design Chapter 22 Expert System's Building Tool C-ADVISOR System and Its Application APPENDICES Appendix Ⅰ Deduce of Some Formulas Appendix Ⅱ Determination for the Reliability of Simple Systems Appendix Ⅲ Norm Operations between Fuzzy Sets References