AS 3774 SUPP 1-1997

1 - AS 3774 Supp1-1997 LOADS ON BULK SOLIDS CONTAINERS-COMMENTARY (SUPPLEMENT 1 TO AS 3774-1996)
4 - PREFACE
5 - CONTENTS
6 - SECTION C4 LOAD CLASSIFICATION, LOAD COMBINATIONS, AND LOAD FACTORS
6 - C4.1 GENERAL
6 - C4.2 LOAD COMBINATIONS
6 - C4.3 LOAD FACTORS
7 - SECTI ON C6 DE TERMINATION OF NORMAL SERVICE LOADS (GROUP B)
7 - C6.1 RELEVANT PROPERTIES OF STORED BULK SOLID
7 - C6.1.1 General
7 - C6.1.2 Unit weight of bulk solid
7 - C6.1.3 Angle of wall friction
7 - C6.1.4 Effective angle of internal friction
7 - C6.1.5 Consistent material properties
8 - C6.2 INITIAL LOADS ON SYMMETRICALLY FILLED CONTAINER WALLS (LOAD TYPE B.2)
8 - C6.2.1 Initial normal pressures on vertical walls
10 - C6.2.2 Initial frictional forces on vertical walls
10 - C6.2.3 Initial forces on container closures
11 - C6.3 LOADS INDUCED BY FLOW DURING SYMMETRICAL DISCHARGES (LOAD TYPE B.3)
11 - C6.3.1 Method of determining symmetrical flow loadings
11 - C6.3.2 Normal pressures on the vertical walls
12 - C6.3.3 Friction on vertical walls
12 - C6.3.4 Vertical loads on container bottoms
12 - C6.3.5 Normal pressures on hoppers
13 - C6.3.6 Frictional tractions on hoppers
13 - C6.4 INITIAL LOADS ON ECCENTRICALLY FILLED CONTAINER WALLS (LOAD TYPE B.2)
13 - C6.4.1 Normal pressures on vertical walls
13 - C6.4.2 Frictional tractions on vertical walls
13 - C6.5 FLOW LOADS ON ECCENTRICALLY DISCHARGED CONTAINER WALLS (LOAD TYPE B. 3)
13 - C6.5.1 General
13 - C6.5.2 Normal pressures on vertical walls
14 - C6.6 LOADS ASSOCIATED WITH GATES AND FEEDERS
14 - C6.6.2 Increased gate and feeder loads due to large drop heights and rapid fill rates
14 - C6.6.3 Horizontal loads on containers due to unattached feeders
14 - C6.7 LIVE LOADS ON PLATFORMS AND ROOFS (LOAD TYPE B.5)
14 - C6.9 FORCES FROM LATERAL RESTRAINTS (LOAD TYPE B.7)
14 - C6.9.1 Loads in lateral restraints
14 - C6.9.2 Loads due to the container being used as a restraint
14 - C6.10 LOADS ON INTERNAL STRUCTURAL ELEMENTS WITHIN THE STORED SOLID (LOAD TYPE B.8)
14 - C6.10.1 General
14 - C6.10.2 Vertical pressures on internal structural elements
14 - C6.10.3 Horizontal pressures on internal structural elements
14 - C6.10.4 Frictional tractions on internal structural elements
14 - C6.10.5 Vertical forces in internal structural elements
15 - REFERENCES
17 - SECTION C7 DETERMINATION OF ENVIRONMENTAL LOADS (GROUP C)
17 - C7.1 WIND LOADS (LOAD TYPE C.1)
17 - C7.1.2 Negative internal air pressure
17 - C7.2 LOADS DUE TO DIFFERENTIAL SETTLEMENT OF FOUNDATIONS (LOAD TYPE C.2)
17 - C7.2.1 Assessment of differential settlements
17 - C7.2.2 Differential settlement under column-supported containers
17 - C7.2.3 Differential settlement under ground-supported containers
17 - C7.3 LOADS DUE TO DIFFERENTIAL TEMPERATURE (LOAD TYPE C.3)
17 - C7.3.1 Assessment of differential temperature
17 - C7.3.2 Temperature decrease in container walls
18 - C7.3.3 Temperature differentials in supporting columns
18 - C7.3.4 Storage of hot bulk solids
18 - C7.4 SEISMIC LOADS (LOAD TYPE C.4)
18 - C7.5 LOADS DUE TO SWELLING OF STORED BULK SOLIDS (LOAD TYPE C.5)
18 - REFERENCES
19 - APPENDIX CC - TESTING TO DETERMINE PROPERTIES OF BULK SOLIDS
20 - APPENDIX CD - PRESSURE CAUSED BY INTERNAL EXPLOSION

Provides background materials from which requirements are derived in AS3774.

Originated as AS 3774 Supplement 1-1990.
Second edition 1997.