8 Questions 5 Answers 0 Followers
Questions related from Mohamed Wehbi
I would like to get more information on the cyclic compressive fatigue testing (BS EN 12697 - 25) which is typically done for bituminous material in pavement design. Any one can advise on the...
01 March 2021 2,508 3 View
I am trying to understand if there is a relationship between the angle of internal friction of soils and the angle at which the stress is distributed within the soil if a vertical force (via a...
16 May 2020 7,730 1 View
I am trying to understand the effect of Geocells on Infill material's Young's Modulus. For example if a material as a modulus of 70MPa, how much it will be if was placed in Geocells. (the modulus...
14 June 2018 5,593 5 View
I am trying to understand the effect of ballast compaction on ballast life. Compaction will for sure reduce initial settlement, however, would ballast compaction prolong the service life of the...
02 February 2018 9,088 5 View
I am interested in finding typical values for the damping ratio for different types of soils, such as: Soft clay Firm clay Stiff clay Sand Gravel Many thanks for help in advance.
20 November 2017 5,230 3 View
i have come a cross a number of models that are used to predict ballast plastic strain; any particular recommedation on the most realistic model ?
07 November 2017 1,492 2 View
Does anyone know yhe effect of ballast gluing on the stiffness of the ballast ? I have looked in the literature, however, i didnt find a lot of information on the subject.
15 September 2017 9,705 1 View
Does anyone know of a design methdology (or standards) using geocells to design railway tracks or pavements ? how we can calculate the stress of the subgrade below a geocell reinforced layer ?
12 September 2017 3,265 2 View
