What modelling or software can provide a good evaluation of embankement performance( of road, airfield, railway)?

03 January 2024 1 5K Report

Analysis of embankment

It is better to discuss with Geotechnical Engineer. SLOPE/W (and SEEP/W) is one of the softwares for slope stability analysis.

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Science method

What is the suitable tamping method for ladder-sleeper ballasted tracks?

Since the ladder sleeper consists of two longitudinal beams along the railway track, a conventional tamping machine is not applicable for ladder tracks.

26 November 2020 3,172 1 View

Single-phase synchronous machine models?

Hi there, In low frequency railways it is common with single-phase synchronous machines. Anyone that knows how to model them dynamically in a trustworhy manner? Moreover, there are many...

18 November 2020 1,357 5 View

Plane stress or plane strain for Railway Ballast system ?

Dear All, I am working on a wooden rail sleeper analysis. Using the Druker Prager model for Ballast and soils, Initially, I assumed the 2D Behavior of RailSleeper and Rails was Plane Stress and...

04 October 2020 5,459 8 View

Aluminium has quality standards of scraches and cupping etc?

Our company made railway car body with AL. And there are some scratches and cupping. I don't know whether there is a quality standard of it or not. ex) Depths of scratches have to be less than...

12 August 2020 4,498 2 View

Good day. I have difficulty applying my data set to a Machine Learning Clustering algorithm, can anyone assist me in this regard?

I have a data set for a railway wagon: It consists of 9 measurement parameters per wheel (hollow wear, flange thickness, etc) and there are 8 wheels on a wagon. I need to work out a health index...

23 June 2020 838 11 View

I need an example of a questionnaire about assessing railway passenger service quality?

the questionnaire should use running time, train frequency, punctuality and safety to measure service quality

22 June 2020 1,077 1 View

Which railway magazines in South-/Central America and Mexico to publish - who has a recommendation?

Which Railway magazines are relvenat in Middle and South America? We want to publish a technical article about vibration reduction measures carried out in Mexico. Who has a recommendation or give...

18 May 2020 3,487 4 View

How to get contact force from ABAQUS in dynamic implicit analysis?

Dear colleagues I have faced to a problem in extracting contact force of rail-wheel in transition zone which have been modeled in ABAQUS. there are many kind of contacts there, but I'm not sure...

28 February 2020 7,200 3 View

Performance of Helix antenna in railway tunnels for coverage inside trains ?

I need some feedback about performance of Helix antenna in Railway tunnels. With an EiRP of more than 45 dBm, can we expect a coverage of app. -75 dBm inside the train. The trains are metallic...

30 January 2020 6,058 3 View

Is Seal Coat Necessary on top of Railway Subgrade works in Water Logged Areas?

I write to enquire if seal coat as water proof material is necessary on subgrade works in water logged areas. Is there any railway project around the world where seal coat is not used on top of...

16 January 2020 4,389 2 View