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Case Study Webinar Modelling of Root-Soil Interaction
of Tree Biomechanics
August 24, 2021 (Tuesday)
- Time 1: GMT 3 am / SGT 11 am / AEST 1 pm / NZT 3 pm
- Time 2: GMT 8 am / BST 9 am / CEST 10 am / CAT 10 am / GST 12 pm / IST 1:30 pm  | Duration : 60 min

Climate change impacts on tree stability are often associated with a higher risk of wind throw due to higher frequency and magnitudes of the extremes of climate. Higher lateral loads due to an increase in maximum wind and rainfall reduce tree anchorage due to a decrease in soil matric suction and consequently the overall strength in trunk-root-soil.


In this presentation, key aspects of tree biomechanics and unsaturated soil behavior will be discussed and highlighted for urban environments.


👀 Read the presenter's article

>> Modelling of Root-Soil Interaction of Tree Biomechanics

  • Johnatan Ramos Rivera
    Modelling of root-soil interaction of tree biomechanics Senior Geotechnical Engineer at EPM &
    Lecturer at Universidad EAFIT
    Empresas Públicas de Medellín (EPM)
    Universidad EAFIT


Empresas Públicas de Medellín E.S.P.,

whose brand is EPM, is a public company located in the city of Medellín, Colombia. EPM is the largest multi-utility company in Colombia, with market-leading businesses in the Power and Water sectors. EPM participates in the power sector through generation, transmission, distribution, and commercialization of electricity and distribution and commercialization of natural gas.



EAFIT is the most prestigious private university in Medellin. It is approved and recognized by the National Education Ministry, based on act 759 from May 6 of 1971. The university's main campus is located in El Poblado, Medellín. It has additional campuses in Bogotá, Pereira and Llanogrande Rionegro (Antioquia). It is considered one of the top-tier universities in Colombia by QS Rankings.

01 Introduction

- Tree root stability

- Complex root-soil interaction

02 Climate Change and Tree Failure

- Singapore Botanical Garden accident

- Rainfall-induced failure by uprooting

03 Numerical Simulations

- Mapping of the rooting architecture

- Physical characteristics (soil properties and wood strength)

- Tree anchorage mechanism

- Bonded contact interface

04 Results and Conclusion

- Stress due to lateral load on root architecture

- Stress-strain behavior of trees

- Comparison of the experimental and predicted models

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