Failure of landslide stabilization measures: The Sidi Rached viaduct case (Constantine, Algeria)

Guemache, Mehdi Amine; Chatelain, Jean‐Luc; Machane, Djamel; Benahmed, Sihem; Djadia, Leila

doi:10.1016/j.jafrearsci.2011.01.005

Cited by 23 publications

(8 citation statements)

References 11 publications

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“…Natural hazards cause much damage to transportation networks worldwide (Nicholson and Du, 1997;Hungr et al, 1999;Dalziell and Nicholson, 2001; Karlaftis et al, 2007;Tatano and Tsuchiya, 2008;Erath et al, 2009;Muzira et al, 2010;Jelenius and Mattsson, 2012). Particularly in mountainous areas, floods, landslides (considered earth flows in this study), debris flows, rockfalls, and snow avalanches (called avalanches in this paper) can seriously affect the traffic on roads and railway tracks, isolating villages or regions and generating infrastructure and economic damages (Bunce et al, 1997;Budetta, 2004;Evans et al, 2005;Collins, 2008;Salcedo, 2009;Guemache et al, 2011;Jaiswal et al, 2011;Michoud et al, 2012;Laimer, 2017b).…”

Section: Introductionmentioning

confidence: 99%

“…are collected in a database. The criteria to be listed in the main global disaster databases (EMD-DAT, Swiss Re, Dartmouth) illustrate this because at least 10 casualties or other political or economic criteria are required (Guha-Sapir et al, 2015;Swiss Re, 2018;Dartmouth Flood Observatory, 2007). Insurance databases, such as the NatCat from Munich Re reinsurance, are more detailed; however, they are usually not publicly available (Tchögl et al, 2006;Below et al, 2009;Munich Re, 2011).…”

Section: Introductionmentioning

confidence: 99%

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Natural hazard events affecting transportation networks in Switzerland from 2012 to 2016

Voumard

Derron

Jaboyedoff

2018

Nat. Hazards Earth Syst. Sci.

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Abstract. Switzerland is threatened by many natural hazards. Many events occur in built-up environments, affecting infrastructure, buildings, and transportation networks, occasionally producing expensive damages. This expense is why large landslides are generally well studied and monitored in Switzerland to reduce the financial and human risks. However, there is a lack of data on small events, which have recently affected roads and railways. Therefore, in this study, all of the reported natural hazard events that have affected Swiss transportation networks since 2012 were collected in a database. More than 800 events affecting roads and railways were recorded within in a 5-year period from 2012 to 2016. These events are classified into six classes: earth flow, debris flow, rockfall, flood, snow avalanche, and others. Data from Swiss online press articles were sorted by Google Alerts. The search was based on more than 30 keywords in three languages (Italian, French, and German). After verification that the article was related to an actual event that affected a road or a railway track, it was studied in detail. We collected information on more than 170 attributes of events, such as the event date, event type, event localization, meteorological conditions, impacts and damages on the track, and human damages. From this database, a variety of trends over the 5-year period can be observed in the event attributes, particularly the spatial and temporal distributions of the events, and their consequences on traffic (closure duration, deviation, costs of direct damage). The database is imperfect due to the short period of data collection, but it highlights the non-negligible impact of small natural hazard events on roads and railways in Switzerland at a national level. This database contributes to understanding and quantification of these types of events and better integration in risk assessment.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Natural hazard events affecting transportation networks in Switzerland from 2012 to 2016

Voumard

Derron

Jaboyedoff

2018

Nat. Hazards Earth Syst. Sci.

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“…Landslides was considered one of the most frequent and damaging natural hazards threatening the human lives, economic, big projects and properties in northern part of Algeria (Benaissa et al, 1989;Guemache et al, 2011;Hadji et al, 2017;Djerbal et al, 2017). Oran region, located in north western of Algeria, known for its complex geology (recent tectonic and seismic activity), is particularly exposed to the landslide hazard.…”

Section: Introductionmentioning

confidence: 99%

Landslide susceptibility mapping using information value and frequency ratio for the Arzew sector (North-Western of Algeria)

Roukh

Abdelmansour

2018

Bulletin of the Mineral Research and Exploration

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Geological hazards present one of the most important constraints for the development of the Arzew sector (Oran province), North Western of Algeria. Landslides are considered us one of the most common phenomena in the study area and especially in the hilly area. For minimizing and reducing the consequences of this problem, it is necessary to carry out preliminary studies on the cartography of the different zones exposed to the slope instability phenomena. The main objective of this study is to perform the landslide susceptibility mapping by statistical models and GIS techniques for the Arzew area. To achieve this goal, an analytical approach was carried out. Firstly, a landslide inventory map was prepared using previous inventory maps, satellite images, aerial photos and field surveys. Secondly seven conditioning factors such as slope degree, aspect, lithology, land use, distance to the streams, distance to the road and altitude were exploited to assess landslide susceptibility. Thirdly, the weight value for each class of the conditioning factors was determined using Frequency Ratio (FR) and Information Value (IV) models based in GIS functionalities. Consequently, Landslide Susceptibility Maps (LSMs) were produced by the classification process of the global Landslide Susceptibility Indexes (LSIs) into five classes. Finally, for experiment verification, the LSMs obtained with the FR and IV models were confirmed comparing LSMs with landslide inventory map using both the Receiver Operating Characteristics (ROC) and the Seed Cell Area Index (SCAI) models. The area under curve (AUC) results, demonstrate that the IV method more performance (89.03%) for LSM than FR method (85.57%). Furthermore, the validation results using SCAI also confirmed that the IV model was more accurate than FR model. The models employed in this study are capable to resolve the issue of the landslide susceptibility of the study area. The produced susceptibility maps can be used for future land use planning and can be considered as a powerful tool to resolve the spatial distribution of the risk associated to landslides.

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“…Transportation networks, which are essential elements in society, are threatened by events that could generate a track closure [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16][17]. They must be continuously maintained and surveyed to guarantee their functioning [15].…”

Section: Introductionmentioning

confidence: 99%

Pros and Cons of Structure for Motion Embarked on a Vehicle to Survey Slopes along Transportation Lines Using 3D Georeferenced and Coloured Point Clouds

et al. 2018

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We discuss the different challenges, pros and cons of the fairly new Structure for Motion (SfM) embarked on a vehicle (SfM-EV) technique for slope surveys along transportation network tracks using action cameras embarked on standard moving vehicles. This low-cost technique generates georeferenced and coloured 3D point clouds without using any ground control points. Four action cameras, two of which had an integrated GNSS chip, were used to collect a series of pictures of tracksides at a rate of two images per second each. The SfM-EV results were compared with the results of seven other 3D survey techniques to evaluate the precision and accuracy of this technique, demonstrating the ability of this simple setting to generate 3D scenes. Different platforms for the cameras were tested, such as a bike, car, train, funicular, helicopter and so on. The SfM-EV technique was also tested on several study sites to highlight its strengths and weaknesses and obtain data, such as the density of points, equations of errors, overlap ratios and image resolution. The precision of the SfM-EV results was sufficient for detecting topographical changes close to the track for a volume of ~1 dm3 and the absolute positioning obtained with a low sky obstruction was approximately 5 m. The precision of SfM-EV was of a similar order to the other techniques, with an order of magnitude of a few centimetres. This approach possesses a low price-result quality ratio and is very simple to use. The possibility of using any type of vehicle for surveying is an advantage, especially for transportation track embankments.

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Failure of landslide stabilization measures: The Sidi Rached viaduct case (Constantine, Algeria)

Cited by 23 publications

References 11 publications

Natural hazard events affecting transportation networks in Switzerland from 2012 to 2016

Natural hazard events affecting transportation networks in Switzerland from 2012 to 2016

Landslide susceptibility mapping using information value and frequency ratio for the Arzew sector (North-Western of Algeria)

Pros and Cons of Structure for Motion Embarked on a Vehicle to Survey Slopes along Transportation Lines Using 3D Georeferenced and Coloured Point Clouds

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