• Phi Truong Thanh Hanoi University of Natural Resources and Environment, Hanoi, Vietnam
  • Phi Hong Thinh University of Transport and Communications, Hanoi, Viet Nam
  • Nguyen Viet Ha Hanoi University of Mining and Geology, Hanoi, Viet Nam
Keywords: Fracture, Plane failure, Toppling failure, Wedge failure, 3B highway.


    This paper presents the results of the slope failure analyses from fracture distributions and their relation to tectonic activity; the analytical results have indicated that the phenomena of plane failure, wedge failure and toppling failure can occur at almost of the survey sites within the study area.


    The statistical data show that the fracture orientation mainly develop in the E-W, N-S and NW-SE due to the influence of tectonic activity. The occurrence of them together with the rock slope surface orientation has formed plane failure on the slope surface of the 3B highway in the E-W direction and the types of wedge failure and toppling failure on the slope surface of the highway in the N-S and NW-SE direction.


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