1 Scope
This standard specifies the test items and contents, test equipment and instruments, and test assessment methods for body static strength of railway freight cars.
This standard is applicable to the new standard-gauge general railway freight cars with maximum running speed not larger than 120km/h, gross load hauled of train not larger than 6,000t (of 10,000t or above for coal transport specific line) and axle load not larger than 25t. Other freight cars may refer to this standard.
2 Normative References
The following standards contained provisions which, through reference in this standard, constitute provisions of this standard. At the time of publication, all editions indicated are valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the latest editions of the following standards.
GB/T 1220-1992 Stainless Steel Bars
GB/T 3880-1997 Aluminium and Aluminium Alloy Rolled Sheet
TB/T 1335-1996 Code for Strength Design and Test Evaluation of Railway Rolling Stock
3 General Provisions
3.1 The test load and assessment criteria (including basic working load, strength and stiffness assessment criteria, etc.) shall meet the requirements of TB/T 1335 and design assignment.
3.2 In this standard, resistance strain measurement method is adopted to measure the stress, and displacement meter or other methods are adopted to measure the deflection.
Foreword II
1 Scope
2 Normative References
3 General Provisions
4 Test Site
5 The Tested Car Body
6 Test Equipment and Instruments
7 Test Items and Contents
8 Arrangement of Measuring Points
9 Sticking of Strain Gages
10 Test Procedures
11 Preparation and Conversion of Test Data
12 Assessment of Strength and Stiffness
13 Test Data and Test Report
Appendix A (Normative) Preparation and Conversion of Test Data
