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Investigation the risk of landslide on the hillsite residential area using continuously monitoring approach

Wan Mohd. Akib, Wan Abdul Aziz (2007) Investigation the risk of landslide on the hillsite residential area using continuously monitoring approach. In: Joint International Symposium and Exhibition on Geoinformation and International Symposium and Exhibition on Gps/Gnss 2007, 5-7 November 2007, Persada Johor International Convention Centre, Johor Bahru, Johor.

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Abstract

Landslide is one of the most costly and damaging natural hazards of the world, and has direct and indirect influence on a number of human activities. The term landslide includes a wide range of mass movement, such as rock falls, deep failure of slopes and shallow debris flows. In Malaysia, as development expands into unstable hillslope areas under the pressures of increasing population and urbanization, human activities such as deforestation or excavation of slopes for road cuts and building sites, etc., have become important triggers for landslide occurrence. For example, the collapses of Block I of Highland Towers (Nov. 1993), bungalows in Hillview Garden (Oct. 2002), squatter houses in Sabah (April2001), houses at Section 5, Wangsa Maju (June 2001), and Kampung Pasir, Hulu Klang (May 2006). Monitoring landslide activity is of paramount importance for landslide studies. Landslide monitoring is generally accomplished by field-based geodetic, space technology (GPS, remote sensing), geotechnical and geophysical techniques. As one of the most advanced surveying tools, Total Station has been widely used in Malaysia and therefore it has been used to monitor some of the landslides event in Malaysia. This paper highlights the investigation of landslide motions at Kampung Pasir, Hulu Klang using continuously monitoring approach. Each day, the data are collected every 10 minutes and displayed on graphs that are updated hourly. The total cumulative displacement result shows that the landslide have moved from 2 mm to 17 mm for the duration of 10 days experiment.

Item Type:Conference or Workshop Item (Poster)
Uncontrolled Keywords:landslide, risk investigation, total station, continuous monitoring
Subjects:T Technology > TA Engineering (General). Civil engineering (General)
Divisions:Geoinformation Science And Engineering (Formerly known)
ID Code:4691
Deposited By: En. Tajul Ariffin Musa
Deposited On:14 Dec 2007 01:52
Last Modified:09 Apr 2012 08:34

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