Design and temporal issues in Soil Bioengineering structures for the stabilisation of shallow soil movements

Bischetti, Gian Battista; Cesare, Giovanni De; Rauch, Hans Peter; Schwarz, Massimiliano; Stangl, Rosemarie

doi:10.1016/j.ecoleng.2021.106309

Cited by 37 publications

(17 citation statements)

References 107 publications

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“…have been used in order to highlight the benefits of using different materials and techniques in the various project stages and overall for the project. Such a comparison will contribute to the incorporation of the eco-engineering measures into the more standardised engineering approaches [14] and, in turn, the enhancement of the sustainability of the project while using the advantages of the different approaches.…”

Section: Discussion and Analysismentioning

confidence: 99%

“…Similarly, the lower sustainability performance of the construction stage can be traced to the lack of consistent set of standards and specifications for eco-engineering works which feature among the existing set of KPIs and which, if developed in the future, would enhance and strengthen the eco-engineering practice. A viable alternative would be to develop new KPIs and incorporate the eco-engineering construction specifics [17] into the existing design and construction standards (e.g., Eurocodes; [14]). This alternative is preferred by several stakeholders who, during the surveys and interviews, reported lack of awareness of the environmental considerations within the traditional construction contractors who were implementing eco-engineering designs in Spain, Turkey, and France.…”

Section: Discussion and Analysismentioning

confidence: 99%

“…The networks and partnerships forged through the ECOMED project were used to identify a broad range of stakeholders, firstly among the project partners, who were then consulted and asked to provide examples of eco-engineering studies from their respective countries. Bearing in mind that eco-engineering strategies have been relatively well described from the academic and scientific point of view (e.g., [2,13,14]), ecoengineering contractors and practitioners representing the industry in seven Mediterranean countries (within and outside the EU) were targeted to provide example case studies in order to ensure a broad cross-section of the markets and types of projects.…”

Section: Methodsmentioning

confidence: 99%

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Assessment of the Sustainability Performance of Eco-Engineering Measures in the Mediterranean Region

González-Ollauri

Thomson

Gallagher

et al. 2022

Land

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Eco-engineering has a crucial role in defining and achieving the sustainability credentials of a civil engineering project. Better eco-engineering practices would help better in reducing the adverse impacts on the environment and society, but also on the financial performance of the project. However, the assessment of the sustainability effects of eco-engineering strategies can be challenging, as the treatment of this topic has been neglected in the scientific literature. The challenges lie in balancing the project delivery objectives with the sustainable design that will ensure appropriate and satisfactory environmental and financial performance and deliver social benefits such as ecosystem services. In order to achieve better practice and advance the knowledge in the field, there is a need for broader analysis of completed eco-engineering projects applied at different spatio-temporal scales. The aim of this study was to critically analyse 23 eco-engineering case studies provided by the ECOMED project partners using a life cycle analysis through a single sustainability framework based on a relatively small set of key performance indicators (KPIs), which reflect the principles of sustainability, and which are not contextual for eco-engineering projects. The objectives of this study are twofold: (i) to highlight areas of best practice and potential enhancement in the application of eco-engineering strategies, and (ii) to propose refinement and enhancement of the existing framework with KPIs contextual to eco-engineering projects. The results of the study suggest that the feasibility, mobilisation, and the long-term stages of an eco-engineering project are the most sustainable project stages, while the award, construction, and monitoring stages could generally benefit from a range of enhancements including benefits stemming from double-loop learning and a common basis for the specification and quantification of the financial resources needed to apply eco-engineering strategies. The outcomes of this study will benefit decision makers and eco-engineering practitioners alike in terms of not only raising the sustainability profile of the projects they are involved in, but also in terms of more efficient and cost-effective application of eco-engineering strategies.

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Section: Discussion and Analysismentioning

confidence: 99%

Section: Discussion and Analysismentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

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Assessment of the Sustainability Performance of Eco-Engineering Measures in the Mediterranean Region

González-Ollauri

Thomson

Gallagher

et al. 2022

Land

Self Cite

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“…In this context, it would be interesting to incorporate into the geotechnical model the effect of vegetation regeneration in topsoil properties as well as the reinforcement provided by root reinforcement under the influence of heavy rainfall. The application of soil-bioengineering techniques [81][82][83][84] presents an innovative method for slope stabilization, which is also more compatible with the natural environment and usually with smaller implementation and maintenance costs. Comparative analyses of the effectiveness between traditional engineering works and soil bioengineering techniques can reach useful conclusions and provide guidelines towards the most effective way for the remediation of burned slopes; thus, minimizing the danger of shallow slope failures during the post-fire period.…”

Section: Discussionmentioning

confidence: 99%

Preliminary Forecasting of Rainfall-Induced Shallow Landslides in the Wildfire Burned Areas of Western Greece

Lainas

Depountis

Sabatakakis

2021

Land

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A new methodology for shallow landslide forecasting in wildfire burned areas is proposed by estimating the annual probability of rainfall threshold exceedance. For this purpose, extensive geological fieldwork was carried out in 122 landslides, which have been periodically activated in Western Greece, after the devastating wildfires that occurred in August 2007 and burned large areas in several parts of Western Greece. In addition, daily rainfall data covering more than 40 years has been collected and statistically processed to estimate the exceedance probability of the rainfall threshold above which these landslides are activated. The objectives of this study are to quantify the magnitude and duration of rainfall above which landslides in burned areas are activated, as well as to introduce a novel methodology on rainfall-induced landslide forecasting. It has been concluded that rainfall-induced landslide annual exceedance probability in the burned areas is higher when cumulative rainfall duration ranges from 6 to 9 days with local differences due to the prevailing geological conditions and landscape characteristics. The proposed methodology can be used as a basis for landslide forecasting in wildfire-affected areas, especially when triggered by rainfall, and can be further developed as a tool for preliminary landslide hazard assessment.

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“…In fact, there are still many issues concerning the design, implementation, and monitoring to be considered for reconciling natural hazard control and ecological restoration through soil bioengineering practices (Rey et al 2019). Another important aspect is related to the durability of the natural materials used, such as the wood decay or the vegetation development (Bischetti et al 2021). However, soil bioengineering techniques for natural hazard control that simultaneously provide additional benefits (such as ecological restoration) are at the base of the concept of NBS (Preti et al 2022).…”

Section: Introduction Of the New Categories: Nature-based Solutions A...mentioning

confidence: 99%

Recent innovations in the LaRiMiT risk mitigation tool: implementing a novel methodology for expert scoring and extending the database to include nature-based solutions

et al. 2022

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This paper presents recent innovations implemented in the LaRiMiT (Landslide Risk Mitigation Toolbox) webtool. These include an innovative methodology for utilising experts’ scoring of landslide risk mitigation measures directly within the decision support tool, and updating of the tool’s database over structural measures to include many nature-based solutions (NBS) for mitigating landslide risk. Landslides are a common and treacherous natural hazard, and due to the effect of climate change on the frequency and intensity of extreme weather events, climate-driven landslides are expected to become more frequent. This negative trend is a driving factor for developing decision-support solutions for risk mitigation, and the LaRiMiT toolbox and the expert scoring methodology presented in this article contribute to meeting these needs. Selecting suitable structural measures is complicated due to factors such as site-specific conditions, local knowledge and resources, socio-economic constraints, and environmental considerations. LaRiMiT uses user-input attributes of site-specific slope movements combined with expert scoring of the suitability of various mitigation solutions to identify and select appropriate mitigation measures from an extensive database of structural solutions. While the LaRiMiT database initially included only conventional (grey) solutions relying on traditional methods, it has been recently expanded to include nature-based solutions (NBS), which are sustainable techniques for managing erosion and mitigating shallow landslides using vegetation and the use of natural materials. NBS and conventional solutions can also be combined to provide hybrid solutions. The proposed methodology for implementing expert scoring is dynamic and iterative, consisting of statistical pooling of experts’ scores collected via online surveys, and consolidating these into an expert scoring utility embedded in the LaRiMiT web portal engine. An initial application of this methodology has been tested by surveying a set of landslides experts, mostly in Europe, and applying it to the structural measures database in the LaRiMiT tool. Although the number of experts in this initial application is limited, dynamic updating of the scoring allows the tool to continuously improve as additional experts contribute.

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Design and temporal issues in Soil Bioengineering structures for the stabilisation of shallow soil movements

Cited by 37 publications

References 107 publications

Assessment of the Sustainability Performance of Eco-Engineering Measures in the Mediterranean Region

Assessment of the Sustainability Performance of Eco-Engineering Measures in the Mediterranean Region

Preliminary Forecasting of Rainfall-Induced Shallow Landslides in the Wildfire Burned Areas of Western Greece

Recent innovations in the LaRiMiT risk mitigation tool: implementing a novel methodology for expert scoring and extending the database to include nature-based solutions

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