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Information Journal Paper

Title

LANDSLIDE HAZARD ZONING FOR THE CHALUS-TEHRAN ROAD AND CONSTRUCTING HIGHWAY

Pages

  147-158

Abstract

 Karaj-Chalus road is an important connection between Tehran-Alborz provinces and west of Mazandaran County. Considering tourist attractions in the north, this road is one the most crowded roads in the country. Recently a new highway is being constructed adjacent to the previous road, therefore a large portion of the traffic will be converted to the highway. Since the highway passes the high mountainous lands the roads are enormously affected and in high risk by landslides. In this study, both mentioned ways are classified according to hazard risk. This project has been performed in two steps. First, a landslide hazard zoning map has been provided for the region around the roads to detect the high risk and low risk zones, then the roads have been divided  into segments that each of which has 2 kilometers length. The main parameters in landslide hazard zoning are considered such as TOPOGRAPHY, hydrology, geology, tectonics and GREEN COVERAGE. The landslide hazard map clearly represents the high risk and low risk areas but it is important to realize how it influences the roads. With purpose of classifying the road segments, the AZIMUTH of the maximum slope of each side of the road has been considered. An aspect layer has been provided using the DEM of the region. In order to estimating the direction of the maximum grade of the ground, the mentioned aspect layer is applied. In order to determine the effectivity of the direction of the slope to the roads, the angle between the road segments and the maximum grade has have been calculated and is used as an important factor to determine the amount of risk for the road segments. The distance between the road axes to the trench of mountain also has been taken into account. According to the mentioned factors and the landslide hazard map, the road segments have been categorized into four zones based on the degree of accepted risk. In accordance with the results obtained from this research, 58 percent of the road has the potential of high and very high risk respectively. 45 percent of the highway has the potential of high and very high risk.

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    APA: Copy

    MOTASHARREIE, A., QOMI, J., EFTEKHARI, A., POOZESH, B., & SHAHMARI, M.. (2012). LANDSLIDE HAZARD ZONING FOR THE CHALUS-TEHRAN ROAD AND CONSTRUCTING HIGHWAY. JOURNAL OF GEOTECHNICAL GEOLOGY (APPLIED GEOLOGY), 8(2), 147-158. SID. https://sid.ir/paper/127117/en

    Vancouver: Copy

    MOTASHARREIE A., QOMI J., EFTEKHARI A., POOZESH B., SHAHMARI M.. LANDSLIDE HAZARD ZONING FOR THE CHALUS-TEHRAN ROAD AND CONSTRUCTING HIGHWAY. JOURNAL OF GEOTECHNICAL GEOLOGY (APPLIED GEOLOGY)[Internet]. 2012;8(2):147-158. Available from: https://sid.ir/paper/127117/en

    IEEE: Copy

    A. MOTASHARREIE, J. QOMI, A. EFTEKHARI, B. POOZESH, and M. SHAHMARI, “LANDSLIDE HAZARD ZONING FOR THE CHALUS-TEHRAN ROAD AND CONSTRUCTING HIGHWAY,” JOURNAL OF GEOTECHNICAL GEOLOGY (APPLIED GEOLOGY), vol. 8, no. 2, pp. 147–158, 2012, [Online]. Available: https://sid.ir/paper/127117/en

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