Jahan Zaib

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Questions related from Jahan Zaib

Railway track GROSS MILLION TONS CALCULATION METHOD considering multilple factors such as speed ,axle load etc for pasenger and frieght trains ?

Railway track GROSS MILLION TONS CALCULATION METHOD considering many factors such as speed ,axle load etc for pasenger and freight trains ? need help and not the thumb rules

13 December 2023 2,320 3 View

Guidelines for ballast screening in moisture and ballast having mud ? Present techniques ? Is screening and cleaning of ballast different ?

Please help in guiding , how to deal in such situations as on photo graph attached ? How to screening the ballast efficiently ? Present technology ? Is screening and cleaning of ballast...

07 July 2022 2,364 0 View

What's the comparison of strength between flash butt welding and thermite welding ?

What's the campaign of strength of flash butt welding and thermite welding ? Any research please share .

10 February 2022 4,720 1 View

Effect of amalgamation of coaches having different braking and suspension system in train on derailment ?

25 January 2022 2,966 1 View

Whats Comparison between RN rail fastening and new type of rail fastening e.g w-14 etc ?

Is there any literature elaborating the performance and effectiveness of RN fastening , performance of it else any comparison between the RN fastening with new type fastening in rail...

26 November 2021 9,377 3 View

How to select rail cross section for railway line ?

What is the latest way to design /select the rail cross section/profile Keeping the maximum axle load and traffic daily tonnage in consideration or any other criteria . Please any guidance or...

02 August 2021 5,817 3 View

What is railway track damage due to higher axle load and speed ?

what will be the damage to due speed of higher axle loads in case of fatigued rails ?and track design being nearly equal to axle load e.g sleepers have been designed for 22.8 tons and axle load...

21 June 2021 8,327 2 View

What will be the damage on railway track due to increase in axle load due to over loading ?

what will be the damage on railway track due to increase in axle load due to over loading ?

29 April 2021 9,257 4 View

Compressive strength of concrete cube ?

IS THERE ANY LITERATURE ABOUT THE EFFECT OF FACE SIDE OF CUBE ON COMPRESSIVE STRENGTH CONCRETE ? e.g IF NDT CARRIED OUT ON DIFFERENT FACES OF SAME CULE ?

29 June 2019 8,233 16 View

Relationship between 2d and 3d porosity of porous concrete .?

any one please share any paper which gives the relationship between 2d and 3d porosity for porous concrete .

07 December 2018 5,179 1 View