Application of inclinometer measurements for relative horizontal displacement investigations on landslide grounds

Ryszard Malarski, Kamil Nagórski, Marek Woźniak

Abstract


One of the basic criterion for safety evaluation of structures erected on embankment or sliding slopes is relative horizontal displacement at different elevations. Relative horizontal displacements beneath ground surfaces are performed with inclinometer measurements. This report presents results on horizontal relative ground displacements with the probe SISGEO S242SV30. Investigations were performed with two inclinometer columns 14m height embedded in Warsaw Bank Slope. Mean square error of single observation was determined and mean relative errors of relative displacements in relation to column height. On the basis measurement results several relevant recommendations and practical hints were formulated allowing to avoid survey blunders and discrepancies in measuring procedures often encountered. Detailed inclinometer horizontal displacement measurements results at Warsaw hillside St Ana’s Church grounds were listed and presented.

Keywords


displacement measurements; inclinometric measurements; monitoring

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References


Malarski, R., Łapinski, S., Nagórski, K., Pasik, M. & Woźniak, M., (2011). Badanie przemieszczeń poziomych i pionowych Kościoła Akademickiego Św.Anny w Warszawie (Investigations horizontal and vertical displacements St.Ann’s Academic Church in Warsaw), Description for Heritage Protection Department Cityof Warsaw, Politechnika Warszawska

SISGEO S.r.l., (2006). Inclinometers, Instructions manual, Italy

Wolski, W., Furstenberg, A. & Sorbjan, P., (2007). Inclinometer Measurements applied to assessment of structures safety state. Papers XXIII Conference on“Structure Damages of 2007”




DOI: http://dx.doi.org/10.2478/rgg-2013-0002

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