GB/T 4857, under the general title of “Packaging—Basic Tests for Transport Packages”, consists of the following parts:
—Part 1: Identification of Parts When Testing;
—Part 2: Temperature and Humidity Conditioning;
—Part 3: Stacking Test Methods Using a Static Load;
—Part 4: Compression and Stacking Tests Using a Compression Tester;
—Part 5: Vertical Impact Test Method by Dropping;
—Part 6: Rolling Test Method;
—Part 7: Sinusoidal Vibration Test Method at Constant Frequency;
—Part 9: Water Spray Test;
—Part 10: Sinusoidal Vibration Test Method Using at Variable Vibration Frequency;
—Part 11: Horizontal Impact Test Methods;
—Part 12: Water Immersion Test Method;
—Part 13: Low Pressure Test;
—Part14: Toppling Test Method;
—Part 15: Controlled Horizontal Impact Test Method;
—Part 17: General Principles for the Compilation of Performance Test Schedules;
—Part 18: Quantitative Data for the Compilation of Performance Test Schedules;
—Part 19: Information to Be Recorded in Distribution Trials;
—Part 20: Bump Test Method;
—Part 21: Mould-proof Packaging Test Method;
—Part 22: Unit Loads Stability Test Methods;
—Part 23: Random Vibration Test Method.
This part is Part 23 of GB/T 4857.
1 Scope
This part of GB/T 4857 specifies shipping containers in terms of random vibration test apparatus, test procedure and test report, etc.
This part is applicable to assessing the protection that a shipping container provides its contents when subjected to random vibration inputs. Such tests may be used as an individual test or as part of a test series.
2 Normative References
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 2423.56 Environmental Testing for Electric and Electronic Products—Part 2: Test Methods—Test Fh: Vibration, Broad-Band Random (Digital Control) and Guidance (GB/T 2423.56-2006, IEC 60068-2-64:1993, IDT)
GB/T 4122.5 Packaging Terms—Part 5: Inspection and Test
GB/T 4857.1 Packaging—Complete, Filled Transport Packages—Identification of Parts When Testing (GB/T 4857.1-1992, ISO 2206:1987, IDT)
GB/T 4857.2 Packaging—Basic Tests for Transport Packages—Part 2: Temperature and Humidity Conditioning (GB/T4857.2-2005, ISO 2233:2000, MOD)
GB/T 4857.17 Packaging—Transport Packages—General Principles for the Compilation of Performance Test Schedules (GB/T 4857.17-1992, ISO 4180/1:1980, IDT)
3 Terms and Definitions
For the purposes of this document, the terms and definitions given in GB/T 4122.5 and GB/T 2423.56 and those listed below apply.
Contents
Foreword i
1 Scope
2 Normative References
3 Terms and Definitions
4 Test Principle
5 Test Apparatus
6 Test Procedure
7 Test Report
Appendix A (Informative) Random Vibration Power Spectral Density Profiles and Test Duration Calculation of Leaf Spring Trailer for Partial Highway Transportation in China
Appendix B (Informative) Random Vibration Power Spectral Density Profile Examples of Beijing-Shanghai Railway Transportation
Appendix C (Informative) Acceleration Power Spectral Density Profiles and Data for Testing in Relevant International Random Vibration Standards