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Case Study Webinar Unsaturated Slope Stability Analysis
using midas GTS NX
May 25, 2021 (Tuesday)
- Time 1: GMT 7am / SGT 3pm / AEST 5pm
- Time 2: GMT 11am / BST 12pm / CEST 1pm / CAT 1pm / GST 3pm / IST 4:30pm | Duration : 60 min

Rainfall induced slope failure occur due to the reduction of soil shear strength as water infiltrate into the soil and then reduces its suction. However, the effect of rainfall and infiltration into the soil is most of the time ignored when designing slope above the ground water table. Due to the climate change, some part of the world suffer higher rainfall intensity which causes more rainfall-induced slope failure.


In this presentation, key aspect in analyzing unsaturated slope stability (input soil parameters for unsaturated soils, boundary condition, type of analysis) will be discussed and highlighted. The speaker will also discussed the advantage and disadvantage from different types of analysis.



👆 Click here to see the on-demand video 


📕 Blog | Comprehensive Slope Stability Analysis and Design (LEM vs FEM)

📕 Blog | Climatic Effect on Unsaturated Slope

  • Martin Wijaya
    Unsaturated Slope Stability Analysis using MIDAS GTS NX Lecturer Parahyangan Catholic University


Parahyangan Catholic University

Parahyangan Catholic University or known with the abbreviation UNPAR is one of the oldest and most prestigious private universities in Indonesia, located in the city of Bandung. The main campus is located on Ciumbuleuit street, and other campuses are located on Merdeka street, Aceh street and Nias street



P.T. Geotechnical Engineering Consultant (GEC)

Geotechnical Engineering Consultant (GEC) is a consulting, investigation, instrumentation, and supervision company specializing in geotechnical aspect of construction. PT GEC was started as a result of series of research and consulting activities of small geotechnical engineers group in Bandung led by Prof. Paulus P. Rahardjo, Ph.D.


In the year of 2005, a formal consulting company was established with full confidence that the group can handle geotechnical consultancy services. A number of facilities and the wide range of network enable the group to sustain and make excellent progress.


Email:  mwijaya@unpar.ac.id

01 3D Surface Model

- 3D Surface model with TGM

02 Pore-water Pressure Distribution in Unsaturated Zone

- Pore-water pressure in unsaturated zone

- Typical in situ monitoring and pore-water pressure profile in unsaturated zone

- Defining initial PWP profile in midas GTS NX

03 Soil-water Characteristic Curve (SWCC) and Flow of Water in Unsaturated Soil

- Definition of SWCC and permeability function in unsaturated soil

- SWCC input in midas GTS NX

- Permeability function input in midas GTS NX

04 Unsaturated slope model in MIDAS GTS NX

- Boundary condition for unsaturated slope

- Checking the safety of natural and man-made unsaturated slope

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