Table of Contents
PREFACE, p. 2
CHAPTER 1—GENERAL REQUIREMENTS, p. 4
1.1—Scope, p. 4
1.2—Notation, p. 4
1.3—Definitions, p. 10
CHAPTER 2—TYPES OF LIQUID-CONTAINING STRUCTURES, p. 11
2.1—Ground-supported structures, p. 11
2.2—Pedestal-mounted structures, p. 12
CHAPTER 3—GENERAL CRITERIA FOR ANALYSIS AND DESIGN, p. 13
3.1—Dynamic characteristics, p. 13
3.2—Design loads, p. 13
3.3—Design requirements, p. 13
CHAPTER 4—EARTHQUAKE DESIGN LOADS, p. 14
4.1—Earthquake pressures above base of tank wall, p. 14
4.2—Application of site-specific response spectra, p. 17
CHAPTER 5—EARTHQUAKE LOAD DISTRIBUTION, p. 19
5.1—General, p. 19
5.2—Shear transfer, p. 19
5.3—Dynamic force distribution above base of tank wall, p. 21
CHAPTER 6—STRESSES, p. 26
6.1—Rectangular tanks, p. 26
6.2—Circular tanks, p. 26
CHAPTER 7—FREEBOARD, p. 27
7.1—Wave oscillation, p. 27
CHAPTER 8–EARTHQUAKE-INDUCED EARTH PRESSURES, p. 32
8.1—General, p. 32
8.2—Limitations, p. 33
8.3—Alternative methods, p. 33
CHAPTER 9—DYNAMIC MODEL, p. 34
9.1—General, p. 34
9.2—Rectangular tanks (Type 1), p. 36
9.3—Circular tanks (Type 2), p. 40
9.4—Seismic response coefficients Ci, Cc, and Ct, p. 44
9.5—Site-specific seismic response coefficients Ci, Cc, and Ct, p. 45
9.6—Effective mass coefficient ε, p. 46
9.7—Pedestal-mounted tanks, p. 46
CHAPTER 10—COMMENTARY REFERENCES, p. 47
APPENDIX A—DESIGN METHOD, p. 49
A.1—General outline of design method, p. 49