David Mpye

Dr GD Mpye is a qualified Civil Engineer, who obtained his BEng in Civil Engineering in 2010 at the University of Pretoria. Upon that, as a Transnet Freight Rail bursar, he joined the company in Johannesburg at the Track Testing Centre, focusing on the application of strain technology for management of Continuously Welded Rails and development of geotechnical solutions for rehabilitation projects.

In 2012, he graduated with a BEng (Hons) in Transportation Engineering at the University of Pretoria specialising in Railway Infrastructure Maintenance Management and Track Geotechnology. In 2013, he enrolled at the University of Stellenbosch, where in 2015 completed an MEng in Geotechnical Engineering, where for the dissertation, developed an analytical model to investigate the mathematical relationship between the Standard Penetration Test (SPT) and Dynamic Probe Super Heavy (DPSH). In March 2016, he joined the University of Pretoria as an academic and in February 2018, he registered as a PhD Candidate. The PhD thesis titled the effect of increased axle loading on saturated and unsaturated railway foundation materials was submitted in December 2020, with conferment in April 2021.

Dr GD Mpye is an associate member with the South African Institution of Civil Engineering (SAICE), and is a registered Professional Engineer with the Engineering Council of South Africa (ECSA).


Current Teaching Duties

  • SKE 220: Civil Engineering Services
  • SJJ 310: Professional communication for Civil Engineers
  • SSC 410: Research project

Current Research Interests

  • Railway Engineering
  • Pavement Engineering
  • Geotechnical Engineering



Mpye G.D. (2020). The effect of increased axle loading on saturated and unsaturated railway foundation material. PhD Thesis, University of Pretoria, Pretoria, South Africa. http://hdl.handle.net/2263/78939

Mpye, G.D. & Gräbe, P. J. (2021). The effect of increased axle loading on the bahavior of heavily overconsolidated railway foundations materials. Transportation Geotechnics, Vol. 27. https://doi.org/10.1016/j.trgeo.2020.100493

Mpye. G.D., Steyn. WJdM & Maina J.M. (2017). Developing a new generation of African Engineering Academics, 8th African Transportation Technology Transfer, Livingstone, Zambia, 8-10 May 2017.

Vandroone, R., Mpye, G.D. & Gräbe, P.J. (2017). Permanent and resilient deformation behaviour of heavy-haul formation materials subjected to environment changes, Proceedings of 11th International Heavy Association Conference, Cape Town, South Africa, 8-10 May 2017, pp. 383-393.

Gräbe, P.J., Mpye, G.D. and Vandoorne, R. (2020). Railway Roadbed Characterisation and Performance Monitoring. Proceedings of the AREMA Railway Roadbed & Ballast Symposium, 10-12 February 2020, Kansas City, USA, pp. 238-254.


Published by Marco van Dijk

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