1.0.1 This code is formulated with a view to summarizing China's grain steel silo construction experience and making the grain steel silo achieve safety and reliability, advanced technology, economy and rationality.
1.0.2 This code is applicable to the design of round, centrical receiving and discharging grain steel silos.
1.0.3 The designed service life of grain steel silos shall not be less than 25 years.
1.0.4 Safety class of grain steel silo structure shall be Class II; the seismic precautionary category shall be Category C and the fire resistance class may be Class II.
1.0.5 Grain steel silos shall be designed by organizations with relevant design qualifications.
1.0.6 Design of grain steel silos shall not only meet the requirements of this code, but also those in relevant national current standards.
Contents
1 General Provisions
2 Terms and Symbols
2.1 Terms
2.2 Symbols
3 Basic Requirement
3.1 Layout Principle
3.2 Structure Selection
4 Load and Load Effect Combination
4.1 Basic Requirement
4.2 Grain Load
4.3 Earthquake Action
4.4 Load Effect Combination
5 Structural Design
5.1 Basic Requirement
5.2 Top of Silo
5.3 Wall of Silo
5.4 Steel Silo Hopper
5.5 Supporting Structure and Foundation
6 Constructional Detail
6.1 Top of Silo
6.2 Wall of Silo
6.3 Steel Silo Hopper
6.4 Supporting Structure
6.5 Earthquake-proof Constructional Measure
7 Process Flow Project
7.1 General Requirements
7.2 Receiver and Releaser
7.3 Safe Storage
7.4 Environment Protection and Safety in Production
8 Electricity
8.1 General Requirement
8.2 Distribution Line
8.3 Lighting System
8.4 Electric Control System
8.5 Grain Detection and Control System
8.6 Lightening Protection and Grounding
9 Fire Control
Appendix A Settlement Observation of Steel Silo and Pre-Loaded with Grain Test
Appendix B Stress Calculation of Welding Grain Steel Silo Wall Opening
Appendix C Physical Characteristics of Main Grain Granular
Appendix D Load Coefficient
Appendix E Film Internal Force of Rotatory Shell in Symmetrical Loading
Appendix F Recommended Illumination Value
Explanation of Wording in This Code
List of Quoted Standards
