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  • 1. Smethurst, JA
    et al.
    Smith, A
    Uhlemann, S
    Wooff, C
    Chambers, J
    Hughes, P
    Lenart, S
    Saroglou, H
    Springman, SM
    Löfroth, Hjördis
    Swedish Geotechnical Institute.
    Hughes, D
    Current and future role of instrumentation and monitoring in the performance of transport infrastructure slopes2017In: Quarterly journal of engineering geology and hydrogeology, ISSN 1470-9236, E-ISSN 2041-4803, Vol. 50, p. 271-286Article in journal (Refereed)
    Abstract [en]

    Instrumentation is often used to monitor the performance of engineered infrastructure slopes. This paper looks at the current role of instrumentation and monitoring, including the reasons for monitoring infrastructure slopes, the instrumentation typically installed and parameters measured. The paper then investigates recent developments in technology and considers how these may change the way that monitoring is used in the future, and tries to summarize the barriers and challenges to greater use of instrumentation in slope engineering. The challenges relate to economics of instrumentation within a wider risk management system, a better understanding of the way in which slopes perform and/or lose performance, and the complexities of managing and making decisions from greater quantities of data.

  • 2.
    Vesterberg, Bo
    et al.
    Swedish Geotechnical Institute.
    Bertilsson, Rebecca
    Swedish Geotechnical Institute.
    Löfroth, Hjördis
    Swedish Geotechnical Institute.
    Photographic feature: Monitoring of negative porewater pressure in silt slopes2017In: Quarterly journal of engineering geology and hydrogeology, ISSN 1470-9236, E-ISSN 2041-4803, Vol. 50, p. 245-248Article in journal (Refereed)
    Abstract [en]

    In the northern part of Sweden there are several natural silt slopes adjacent to local roads or highways. These slopes may have a height of 40?-?50 m and an average inclination close to the friction angle of the material (Fig. 1). One reason that these slopes relatively seldom fail is related to negative porewater pressures (suctions). As knowledge on the size and seasonal variations of negative porewater pressures is limited in Sweden, as well as internationally, conservative values of these pressures have been used in stability calculations. To enhance our knowledge of porewater pressure distribution and its seasonal variations, an investigation was carried out in two selected slopes with the main focus on long-term monitoring of negative porewater pressures (suctions) in slopes related to their stability. The overall aims of the project were to increase the knowledge of seasonal variations of negative porewater pressures, to develop an improved method for field and laboratory testing of silt, and to form the basis for more reliable stability calculations.

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