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GB/T 25335-2025Railway heavy-duty construction machinery - T-girder erecting machines (English PDF)

铁路大型施工机械　T梁架桥机

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 2, 2025

Implementation date

July 1, 2026

Scope

GB/T 25335-2025 is the English-translated version of 铁路大型施工机械　T梁架桥机.

GB/T 25335-2025 is the Chinese standard "Railway heavy-duty construction machinery - T-girder erecting machines". Its scope clause reads: This document specifies the technical requirements, inspection rules, marking, packaging, transportation, and storage of T-beam bridge erecting machines, a large-scale construction machinery for railways.

The corresponding experimental methods were developed. This document applies to newly constructed T-shaped concrete beam bridge erecting machines (hereinafter referred to as "bridge erecting machines") for 1435mm standard gauge passenger and freight railway lines. Design, manufacturing, and testing.

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Document preview — GB/T 25335-2025

National Standard of the People's Republic of China

ICS: 45.120
Classification: S 19
Replacing: GB/T 25335-2010

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1.Scope
2 Normative References
3.Terms and Definitions
4.Working environment conditions
5.Technical Requirements
6.Test Methods 9.
7.Inspection Rule
8.Marking, Packaging, Transport and Storage
Appendix A (Normative) No-load Test
Appendix B (Normative) Rated Load Test, Dynamic Load Test and Static Load Test

1 Scope

This document specifies the technical requirements, inspection rules, marking, packaging, transportation, and storage of T-beam bridge erecting machines, a large-scale construction machinery for railways.

The corresponding experimental methods were developed.

This document applies to newly constructed T-shaped concrete beam bridge erecting machines (hereinafter referred to as "bridge erecting machines") for 1435mm standard gauge passenger and freight railway lines.

Design, manufacturing, and testing.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.

For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.

This document.

GB 146.1 Standard gauge railway clearances - Part 1.Locomotive and rolling stock clearances

GB 146.2-2020 Standard Gauge Railway Clearance Part 2.Construction Clearance

GB/T 985.1 Recommended bevels for gas welding, shielded metal arc welding, gas shielded welding and high energy beam welding

GB/T 985.2 Recommended bevel for submerged arc welding

GB/T 3323.1 Nondestructive testing of welds - Radiological inspection - Part 1.Film techniques for X-rays and gamma rays

GB/T 3323.2 Nondestructive testing of welds - Radiological inspection - Part 2.X-ray and gamma-ray techniques using digital detectors

GB/T 3766 General rules and safety requirements for hydraulic transmission systems and their components

GB/T 3811-2008 Crane Design Specification

GB/T 4162-2022 Ultrasonic Testing Method for Forged and Rolled Steel Bars

GB/T 4208-2017 Degrees of protection provided by enclosures (IP code)

GB/T 5117 Welding Electrodes for Non-Alloy Steel and Fine-Grained Steel

GB/T 5118 Welding Electrodes for Heat-Resistant Steel

GB/T 5293 Classification requirements for solid welding wires, flux-cored welding wires and wire-flux combinations for non-alloy steel and fine-grained steel used in submerged arc welding

GB/T 5600-2018 General Technical Conditions for Railway Freight Cars

GB/T 6067.1-2010 Safety Regulations for Lifting Machinery Part 1.General Provisions

GB/T 8110 Solid welding wire for non-alloy steel and fine-grained steel for gas metal arc welding

GB/T 8918 Steel Wire Ropes for Important Purposes

GB/T 8923.3-2009 Visual assessment of surface cleanliness of steel surfaces before coating - Part 3.Welds and edges

Treatment level of surface defects in other areas

GB/T 9286-2021 Paints and varnishes - Cross-cut test

GB/T 10095.1-2022 Cylindrical gears - ISO tooth surface tolerance system - Part 1.Definition and permissible values of tooth surface deviations

GB/T 10095.2-2023 Cylindrical gears - ISO tooth surface tolerance system - Part 2.Definition and allowable radial composite deviation

Xu Zhi

GB/T 11352 Cast carbon steel parts for general engineering

GB/T 13384 General Technical Requirements for Packaging of Mechanical and Electrical Products

GB/T 13452.2 Determination of film thickness of paints and varnishes

TB/T 1632.3 | TB/T 1632.4 | GB/T 25342 | GB/T 25339 | […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 21 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 8918

Editions of GB/T 25335

Edition	Title	Revision	Status
GB/T 25335-2025	Railway heavy-duty construction machinery - T-girder erecting machines	current edition	Current
GB/T 25335-2010	Railway heavy-duty construction machinery - T-girder erecting machines	previous edition	Superseded

This page sells the current edition, GB/T 25335-2025. Earlier editions are listed for reference only.

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