GB 146.2-2020 PDF English
US$125.00 · In stock · Download in 9 secondsGB 146.2-2020: Gauge for standard gauge railways - Part 2: Structure gauge Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid GB 146.2: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB 146.2-2020 | English | 125 |
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Gauge for standard gauge railways - Part 2: Structure gauge
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| GB 146.2-1983 | English | 70 |
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Structure gauge for standard gauge railways
| Obsolete |
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GB 146.2-2020: Gauge for standard gauge railways - Part 2: Structure gauge---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB146.2-2020
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 93.100
S 04
Replacing GB 146.2-1983
Gauge for standard gauge railways - Part 2.Structure
gauge
Issued on. OCTOBER 11, 2020
Implemented on. MAY 01, 2021
Issued by. State Administration for Market Regulation;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword... 3
1 Scope... 5
2 Terms and definitions... 5
3 General... 5
4 v≤160 km/h passenger and freight railway structure gauge... 6
5 v >160 km/h passenger and freight railway structure gauge... 12
6 Passenger dedicated line structure gauge... 14
Foreword
GB 146, Gauge for standard gauge railways, is divided into two parts.
-- Part 1.Rolling stock gauge;
-- Part 2.Structure gauge.
This Part is Part 2 of GB 146.
This Part was drafted in accordance with the rules given in GB/T 1.1-2009.
This Part replaces GB 146.2-1983, Structure gauge for standard gauge
railways; compared with GB 146.2-1983, the main technical changes, except
editorial changes, are as follows.
-- Modify the name of the railway structure gauge to v ≤ 160 km/h passenger
and freight railway structure gauge (see Chapter 4; Chapter 4 of version
1983);
-- Modify the platform gauge height in the basic structure gauge (see Chapter
4; 4.1.1 of version 1983);
-- For tunnel gauge-1 and tunnel gauge-2, add the lower contour line of
newly-built tunnel at the lower gauge of 25 mm ~ 1 210 mm above the rail
surface (see 4.2.1, 4.2.2; 4.2.1, 4.2.2 of version 1983);
-- Delete tunnel gauge-1B, tunnel gauge 02B, bridge gauge-1B, bridge
gauge-2B (see 4.2.1, 4.2.2, 4.3.1, and 4.3.2 of version 1983);
-- Add v > 160 km/h passenger and freight railway structure gauge (see
Chapter 5);
-- Add the passenger dedicated line structure gauge (see Chapter 6);
-- Delete the reference diagram of the pantograph position of electrified
railway (see Appendix A of version 1983);
-- Delete the reference diagram of the off-gauge goods loading gauge (see
Appendix B of version 1983).
This Part shall be under the jurisdiction of the National Railway Administration
of the People’s Republic of China.
The drafting organizations of this Part. China Academy of Railway Sciences
Corporation Limited.
The drafters of this Part. Xu Heshou, Wei Yahui, Wang Feng, Hou Fuguo, Ning
Yingzhi.
The previous versions of the standards which are replaced by this Part are.
-- GB 146-1959, GB 146.2-1983.
Gauge for standard gauge railways - Part 2.Structure
gauge
1 Scope
This Part of GB 146 specifies the basic structure gauge, tunnel structure gauge,
bridge structure gauge and bridge and tunnel structure gauge of 1 435 mm
standard gauge railway tracks.
This Part applies to the design, construction, operation and maintenance of the
following standard gauge railway tracks.
-- v ≤ 160 km/h passenger and freight railway;
-- v > 160 km/h passenger and freight railway;
-- Passenger dedicated railway.
2 Terms and definitions
The following terms and definitions are applicable to this document.
2.1 Structure gauge
The limit cross-sectional contour perpendicular to the center line of the track.
Within this contour, except for rolling stock and the equipment interacting with
rolling stock and related equipment (such as vehicle reducer, contact wire,
hanging string, locator), other equipment or structures shall not be invaded.
3 General
3.1 Whether it is a new rail or an old rail (including the long-term replacement
of heavy rail thickened track beds), the structure gauge dimension that is
calculated from the rail surface shall meet the requirements.
3.2 The dimensions on each structure gauge drawing of this Part are based on
the track on the horizontal straight road.
4 v≤160 km/h passenger and freight railway structure gauge
4.1 Basic structure gauge
4.2 Tunnel structure gauge
4.3 Bridge structure gauge
5 v >160 km/h passenger and freight railway structure gauge
5.1 Basic structure gauge
5.2 Bridge and tunnel structure gauge
5.2.1 The bridge and tunnel structure gauge in the internal combustion traction
section adopts the contour dimensions of the bridge gauge-1, as shown in
Figure 5.It is applicable to the v > 160 km/h internal combustion traction
passenger and freight railways which are newly built or rebuilt after 2003.
6 Passenger dedicated line structure gauge
6.1 Structure gauge-4 is the basic structure gauge of passenger dedicated line
railways, as shown in Figure 9.
6.2 Structure gauge-4 is applicable to passenger special railways which are
newly built and rebuilt after 2000.
6.3 The widening amount of the structure gauge on the curve.
When the maximum width of the structure gauge is 4 880 mm, calculate the
widening amount W1 inside of the curve according to Formula (4)
6.4 For the structure gauge of signal machine and overhead line system, flyover,
overbridge, electric lighting, canopy and other bolt supports and elevated
waiting room structure column, the structure gauge of the short starting signal
that runs in the opposite direction in the station, and station structure gauge,
see 4.1.1.3 for the widening calculation method.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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