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Rock Slope Stability Assessment Of Limestone Hills, Southern Kinta Valley, Ipoh, Perak, Malaysia

Author

Listed:
  • Goh Thian Lai

    (School of Environmental and Natural Resource Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor Darul Ehsan, Malaysia)

  • Ainul Mardhiyah Mohd Razib

    (School of Environmental and Natural Resource Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor Darul Ehsan, Malaysia)

  • Nur Amanina Mazlan

    (School of Environmental and Natural Resource Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor Darul Ehsan, Malaysia)

  • Abdul Ghani Rafek

    (Department of Geosciences, UniversitiTeknologi PETRONAS, Bandar Seri Iskandar, 31750 Tronoh, Perak DarulRidzuan, Malaysia)

  • Ailie Sofyiana Serasa

    (Chemical and Petroleum Engineering Department, Faculty of Engineering, Technology and Built Environment, UCSI University, 56000 Cheras, Malaysia)

  • Norbert Simon

    (School of Environmental and Natural Resource Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor Darul Ehsan, Malaysia)

  • Noraini Surip

    (Chemical and Petroleum Engineering Department, Faculty of Engineering, Technology and Built Environment, UCSI University, 56000 Cheras, Malaysia)

  • Lee Khai Ern

    (Institute for Environment and Development (LESTARI), UniversitiKebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia)

  • Tuan Rusli Mohamed

    (Department of Mineral and Geoscience Malaysia Perak, Jalan Sultan Azlan Shah, 31400 Ipoh, Perak, Malaysia)

Abstract

The uniqueness of the karst topography of Kinta Valley is the result of the spectacular shaped steep-sided limestone towers. The instability of these hillslopes however, may affect the vulnerability of the surrounding area. This paper presents the results of slope stability assessment by using kinematic analysis to investigate the possible failure modes of 7 slopes in Gua Naga Mas (GNM1, GNM2 and GNM3), Gua Kandu (GK1, GK2 and GK3) and Gua Tempurung (GT) located in the southern part of the Kinta Valley, Ipoh, Perak. From the results of the slope stability assessment, it was determined that planar failure and wedge failure were the main failure modes. The GNM1 slope of Gua Naga Mas consist of four wedge failures and a planar failure with dip directions/dip angles of 005°/54°, 354°/59°, 124°/52°, 360°/50° and 063°/70° respectively. The GNM2 slope consists of a wedge failure with the dip direction/dip angle of 021°/64°. Two wedge failures and a planar failure were identified on slope GNM3 with the respective dip directions/dip angles of 336°/49°, 301°/68° and 270°/71°. The GK1 slope for Gua Kandu consists of wedge and planar failures with dip directions/dip angles of 231°/49° and 217°/49° respectively. The mode of failure at GK2 slope was identified as wedge failure with the dip direction/dip angle of 154°/44°. No mode of failure was identified on slope of GK3. Slope GT of Gua Tempurung was identified to have two wedge failures with dip directions/dip angles of 011°/49° and 321°/48° respectively.

Suggested Citation

  • Goh Thian Lai & Ainul Mardhiyah Mohd Razib & Nur Amanina Mazlan & Abdul Ghani Rafek & Ailie Sofyiana Serasa & Norbert Simon & Noraini Surip & Lee Khai Ern & Tuan Rusli Mohamed, 2017. "Rock Slope Stability Assessment Of Limestone Hills, Southern Kinta Valley, Ipoh, Perak, Malaysia," Geological Behavior (GBR), Zibeline International Publishing, vol. 1(2), pages 5-9, January.
    • Handle: RePEc:zib:zbngbr:v:1:y:2017:i:2:p:5-9
    DOI: 10.26480/gbr.02.2017.05.09
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