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30/03/2020


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Data Resources Category
Data Resources Category A refereed Conference
Research Title Slope Instability of Nablus – Al-Bathan Road

Data collected from (study locations)

Nablus City

Published by (sources)

International Conference on Civil Engineering

Carried out by (authors)

Isam Jardaneh, Jalal Al-Dabbeek and Khaled Al-Sahili
Issue Year 28-30 Oct-2013
Abstract

The Nablus – Al-Bathan Road was widened, reconstructed and rehabilitated in 2009 by Nablus Public Works and Housing Directorate (PWHD - Nablus). Between 2010 and 2012 and based on observations by PWHD - Nablus, there were some road defects in several places and especially at Station 2+100. Some minor remediations were carried out to fix these defects. These defects can be described as longitudinal cracks along the eastern side of the road, in addition to initial sliding of this part of the road. In March 2012, PWHD - Nablus attempted to fix the defects at station 2+100 by replacing the soil and using big boulders to support the road. Unfortunately, large settlement occurred in the part of the road under maintenance and more sliding and slope instability occurred in the road at station 2+100.

Necessary studies to find out the causes and to overcome this problem were carried out. This included surveying of the area, geotechnical studies (digging out trial pits and performing geophysical seismic exploration), in addition to slope stability analysis. It was found that the main causes of landslides were types of soils at the site, high slopes, water, especially rainfall and changing of weights (cut and fills). After causes of landslides were determined, engineering solutions to overcome landslides were suggested. The solutions included reducing the weight at the top of slope, flattening the slope, improving the soil of the side slope by using selected fill, supporting the lower part of the slope by using big boulders, installing drainage system all over the area including the upper and lower parts of the area, and planting the site with special types of trees. Finally, land use policy should be created for Palestine, especially, for sites of high slopes and those of which have previous occurrence of landslides, and this is encountered under Palestinian planning strategies.

 

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