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Abstract
Rainfall-triggered landslides are increasingly a concern in rapidly urbanising areas around the globe. Assessing the stability of slopes is important for geotechnical engineers and planners working in these regions. Saturated hydraulic conductivity is key parameter for assessing the hydrological drivers of slope instability. This paper presents a recent citizen-science case study in Quito, Ecuador, in which saturated hydraulic conductivity measurements were taken in the field on a fine-grained volcanic sediment, often referred to as cangahua, were obtained as part of the Tomorrow’s Cities project on urban multi-hazards and disaster risk management. These data are then used along with a recent soil database of Quito soils (Quito/GEO-299) and other locally obtained soil data and the Combined Hydrology And Stability Model (CHASM) to assess the stability of slopes in a hillside community in South Quito. The paper focuses on the variability of key slope stability parameters, including saturated hydraulic conductivity to assess the plausible ranges of behaviour for slopes in this area.
| Original language | English |
|---|---|
| Title of host publication | European Geotechnical Engineering - Unity and Diversity |
| Subtitle of host publication | Proceedings of the 17th Danube–European Conference on Geotechnical Engineering, 7-9 June 2023, Bucharest, Romania |
| Editors | Irina Lungu, Iancu-Bogdan Teodoru, Loretta Batali |
| Place of Publication | Işai, România |
| Publisher | Politehnium Publishing House |
| Pages | 773-780 |
| Number of pages | 8 |
| Volume | 2 |
| ISBN (Print) | 9789736215223 |
| Publication status | Published - 7 Jun 2023 |
| Event | 17th Danube - European Conference on Geotechnical Engineering - Bucharest, Romania Duration: 7 Jun 2023 → 9 Jun 2023 |
Conference
| Conference | 17th Danube - European Conference on Geotechnical Engineering |
|---|---|
| Abbreviated title | 17DECGE |
| Country/Territory | Romania |
| City | Bucharest |
| Period | 7/06/23 → 9/06/23 |
Keywords
- Slope stability
- Cangahua
- Hydraulic Conductivity
- Urbanisation
- Quito
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Dive into the research topics of 'Modelling the effect of hydraulic conductivity variability on slope stability calculations for a site in South-East Quito, Ecuador'. Together they form a unique fingerprint.Research output
- 3 Conference Contribution (Conference Proceeding)
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Slope stability modelling of urbanisation scenarios for communities in north Quito, Ecuador
Hen-Jones, R., Zapata, C., Jiménez, E., Holcombe, E. A. & Vardanega, P. J., 17 Sept 2024, Geotechnical Engineering Challenges to Meet Current and Emerging Needs of Society: Proceedings of the XVIII European Conference on Soil Mechanics and Geotechnical Engineering, 26–30 August 2024, Lisbon, Portugal. Guerra, N., Fernandes, M. M., Ferreira, C., Correia, A. G., Pinto, A. & Sêco e Pinto, P. (eds.). 1st ed. Abingdon, Oxon: CRC Press/Balkema, Taylor & Francis Group, p. 1146-1149 4 p.Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)
Open AccessFile6 Downloads (Pure) -
Measurement of field hydraulic conductivity for a Quito soil
Zapata, C., Feng, S., Holcombe, E. A., Vardanega, P. J. & Jiménez, E., 4 Aug 2023, Smart Geotechnics for Smart Societies: Proceedings of the 17th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering (17ARC), Astana, Kazakhstan, 14-18 August 2023. Zhussupbekov, A., Sarsembayeva, A. & Kaliakin, V. N. (eds.). London: CRC Press/Balkema, Taylor & Francis Group, p. 430-434 5 p.Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)
Open AccessFile11 Downloads (Pure) -
Developing a geotechnical database to improve slope stability assessments in Quito, Ecuador
Hen-Jones, R., Vardanega, P. J., Zapata, C., Jiménez, E., Holcombe, E. A. & Zapata, C. C., 13 May 2022, Proceedings of Twentieth International Conference on Soil Mechanics and Geotechnical Engineering (ICSMGE 2022), A Geotechnical Discovery Down Under, Sydney, New South Wales, Australia, 1-5 May 2022. Rahman, M. M. & Jaksa, M. (eds.). St Ives, NSW, Australia: Australian Geomechanics Society, Vol. 2. p. 2569-2574Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)
Open AccessFile