GB/T 36505-2018 in English
VALIDTerms for railway permanent way
- Issued on:2018-07-13
- Implemented on:2019-02-01
- File Format:PDF
- Delivery:Within 1 day
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| Standard No: | GB/T 36505-2018 |
| Document status: | VALID |
| Title in English: | Terms for railway permanent way |
| Title in Chinese: | 铁路线路词汇 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Within 1 day |
| Issued on: | 2018-07-13 |
| Implemented on: | 2019-02-01 |
| ICS Classification: | 01.040.45-Railway engineering (Vocabularies) |
| Chinese Classification: | S04-Basic standards and general methods |
| Professional Classification: | GB-National Standard |
| Related Keywords: | railway line vocabulary
railway line vocabulary standard background railway line engineering survey railway engineering railway line terminology standards |
| Related Topics: | route
line measuring line railway line GBT36505 GB/T 36505-2018 line Railway seamless line design Railway line overhaul acceptance |
《GB/T 36505-2018铁路线路词汇》由347（国家铁路局）归口，主管部门为国家铁路局。
Introduction
In-depth interpretation of GB/T 36505—2018 Railway Line Vocabulary Standard
Background and significance of standard formulation
GB/T 36505—2018 Railway Line Vocabulary is an important basic standard in the field of railway engineering, which aims to unify the definition and application of railway line-related terms. The standard was issued in 2018 and mainly provides a standardized terminology system for railway line engineering survey, design, construction, maintenance and other fields.
With the rapid development of my country's railway technology, especially the breakthroughs in the fields of high-speed railway and heavy-duty railway, the original standard can no longer meet the needs of modernization. Therefore, it is urgent to reformulate the standard for the development of the industry.
Comparison of core terminology framework
| Term category | Old standard | New standard | Improvements |
|---|---|---|---|
| Basic line terms | Inconsistent definitions and vague expressions | Clear and unified, new terms such as "passenger and freight railway" | Clearer term definitions and wider coverage |
| Track structures and components | No distinction between track and trackless structures | Clearly distinguish and add a variety of new track types (such as double-block trackless) | Adapt to the needs of modern track technology development |
| Seamless track terminology | The definition is relatively simple | The design, construction and maintenance terms of seamless track are specified in detail | More in line with the needs of high-speed railway construction |
Professional terminology application examples
Track structure and components
Sleepers are an important part of railway tracks. Their main functions are to support rails, maintain track gauge and transfer train loads. According to different materials, sleepers can be divided into two types: wooden sleepers and concrete sleepers.
For example, prestressed reinforced concrete sleepers are usually used on high-speed railways. This type of sleeper has a high load-bearing capacity and durability, and can meet the stability requirements of high-speed train operation.
Seamless track terminology
Long rail string refers to a continuous rail connected by welding or gluing in a seamless track. Its length usually spans multiple sections to reduce vibration and noise during train operation.
For example, on the Beijing-Shanghai high-speed railway, the design of the seamless track allows trains to run smoothly at a speed of 350 km/h, greatly improving passenger comfort and transportation efficiency.
Technical evolution analysis
From the perspective of the technical evolution of the standard, GB/T 36505-2018 mainly reflects the following aspects of progress:
- Material innovation: A variety of new types of sleepers and ballast materials have been added, such as double-block sleepers and cement asphalt mortar.
- Construction technology: The construction process of seamless lines is specified in detail, including key links such as rail welding and track plate laying.
- Maintenance system: The track status monitoring and evaluation methods are strengthened, providing a scientific basis for the long-term maintenance of the line.
Implementation recommendations
Key points in standard application
1. During the engineering survey stage, data collection and recording should be carried out strictly in accordance with standard terminology.
2. During the construction process, special attention should be paid to the calculation of the locked rail temperature of the seamless line to ensure that it adapts to local climatic conditions.
3. During the operation and maintenance stage, it is recommended to establish a monitoring system based on the pile control network (CPⅢ) to evaluate the track status in real time.
Technology Development Trends
In the future, with the development of intelligent and digital technologies, railway line terminology standards will pay more attention to the combination with modern testing equipment (such as comprehensive testing trains and track inspection instruments).
At the same time, green environmental protection concepts will also be integrated into the selection of track materials and construction processes to promote the sustainable development of the industry.
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