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2025-7-18Introduction to the Pile Breaking Method for Railway Curve Normal Vector Piles
Common stakeout methods 1. Fixed point method: Start from a designated position (where the measuring rod is placed) and break points at both ends of the curve (where the curve transitions from curve -
2025-7-01What is Track Quality Index(TQI)?
👉What is Track Quality Index(TQI)? TQI is a quantitative measure of the condition of a railway track. It refers to several aspects such as alignment, direction, track gauge, superelevation, and twis -
2025-6-23What are the big waist and small waist of railway rails?
To facilitate the identification of different sections of a single rail, the rail is typically divided into several zones along its longitudinal axis using the terms “small waist,” “joint,” and “large -
2025-6-18Various connection forms of rail joints
In common lines, rails are connected with clamps and bolts, which are called rail joints. Rail joint connection parts are composed of clamps, bolts, spring washers, etc. Its function is to connect rai -
2025-6-10Causes of railway track swaying
With the development of the national economy, China's railway system has entered an era of rapid development, facing the operation of high-speed heavy-load trains, which has placed higher demands on t -
2025-5-24Do you know the rail grinding procedure?
The rail grinding operation group consists of 10 people, the specific division of labour is as follows: 1 person as the operation leader, co-ordination of pre-operation workload survey, on-site comma -
2025-5-23Do you know -Cant
Cant* : is amount by which one running rail is raised above the other running rail. it can be +ve or -ve according to which one of the inner and outer rails is above the other one. Negative cant is un -
2025-5-23Causes and remediation of railway line shaking
Smooth and safe operation of trains is the basic requirement of railway transport. Train comfort, high speed, heavy load is the railway development of railway technology and equipment put forward high -
2025-5-17Definition, hazards and formation of rail wave abrasion rail corrugation grin...
Rail wave wear referred to as rail wave wear, is a major type of rail damage. Rail wave abrasion refers to the rail head tread along the length of the cyclical uneven hook plastic deformation and wea -
2025-4-22Causes and treatment methods of turnout guardrail defects
With the increase in the speed of conventional railways, the requirements for the professionalization and refinement of maintenance are getting higher and higher. Some employees are not aware of the d -
2025-4-01Railway line classification
Railway lines are mainly divided into main lines, station lines, section lines, branch lines, special-purpose lines (including safety lines, arrival and departure lines, freight lines, and pull-out li -
2025-3-26What is the use of railroad sleeper?
What is the use of railroad sleeper? The appearance of the rail sleeper, is an important component of the railroad line accessories, but often overlooked as "invisible man", it plays a support rail, t