GB/T 33194-2016 in English
ABOLISHEDRailway applications--Structural requirements of railway vehicle bodies
- Issued on:2016-12-13
- Implemented on:2017-07-01
- File Format:PDF
- Delivery:Via email within 5 business days
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| Standard No: | GB/T 33194-2016 |
| Document status: | ABOLISHED |
| Superseded on: | 2023-12-28 |
| Title in English: | Railway applications--Structural requirements of railway vehicle bodies |
| Title in Chinese: | 铁路应用 机车车辆车体结构要求 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 5 business days |
| Issued on: | 2016-12-13 |
| Implemented on: | 2017-07-01 |
| ICS Classification: | 45.060.10-Tractive stock |
| Chinese Classification: | S40-Locomotives in general |
| Professional Classification: | GB-National Standard |
| Related Topics: | locomotive
Body structure Body structure gb33194 GBT33194 GB/T 33194-2016 body road vehicle structure Railway locomotive sand Technologies used in European rolling stock |
《GB/T 33194-2016铁路应用 机车车辆车体结构要求》由347（国家铁路局）归口，主管部门为国家铁路局。
Introduction
Standard Overview and Technology Evolution
GB/T 33194-2016, as the core standard for the body structure of railway locomotives and vehicles in my country, replaced the original industry specifications and systematically integrated the structural requirements of locomotives, passenger cars and freight cars for the first time. This standard refers to the EN 12663 series of international standards and achieves technical integration in terms of load condition classification and verification procedures.
Classification of structural types
| Group | Type identification | Typical model |
|---|---|---|
| Locomotive (L) | Type I | Electric locomotive, diesel locomotive |
| Passenger car (P) | Type PI | Non-fixed marshaling passenger car |
| Type P-II | Distributed power EMU vehicle | |
| Freight Car (F) | Type FI | Freight Car with No Shunting Restrictions |
| Type F-II | Freight Car with Shunting Restrictions |
Key Design Parameters
Mass Definition
- m1: Cargo Mass in Ready State (including Maximum Operating Reserve)
- m3: Normal Payload (80kg/person for Passenger Cars)
- m4: Extraordinary Payload (160-320kg/m² for Passenger Car Seats)
Safety Factor Requirements
| Verification type | Normal value | Reduced value for test verification |
|---|---|---|
| Yield limit (Sy) | 1.15 | 1.0 (1.1 in welding area) |
| Ultimate strength (Su) | 1.5 | 1.3 |
| Bucking (Sb) | 1.5 | Not applicable |
Load case system
Typical static load conditions
| Load type | Locomotive | Passenger car | Truck |
|---|---|---|---|
| Couple compression (kN) | 2000-3000 | 1500 | 1400-2250 |
| Couple tension (kN) | 1500-2500 | 980-1000 | 1125 |
| Vertical load | 1.3g×m1 | 1.3g×(m1+m3) | (1+kd)g×(m1+m3) |
Comparison of Fatigue Verification Methods
| Method | Applicable Conditions | Data Requirements | Evaluation Criteria |
|---|---|---|---|
| Fatigue Limit Method | Stress Levels Are All Lower Than Fatigue Limit | SN Curve (107 Times) | σmax≤σD |
| Cumulative damage method | Variable amplitude load spectrum | Load history + material SN curve | ∑(ni/Ni)≤1.0 |
Implementation suggestions
- Calculation verification priority: New designs should adopt finite element analysis combined with local manual calculations, and the stress concentration factor in the dangerous area is recommended to be ≥2.0
- Test strategy: Static tests should cover the most unfavorable working condition combinations, and the measurement point layout should include: side beams, door and window corners and other stress concentration areas
- Material control: The fatigue strength of welded joints shall be determined at a reliability of 97.5%, and non-metallic materials shall be separately verified for performance equivalence
- Modal requirements: The ratio of the first-order bending frequency of the car body to the nodding frequency of the bogie is greater than 1.4, or the absolute value is ≥10Hz
Sample only — not a preview of GB/T 33194-2016
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