MATEC Web Conf.
Volume 195, 2018The 4th International Conference on Rehabilitation and Maintenance in Civil Engineering (ICRMCE 2018)
|Number of page(s)||7|
|Published online||22 August 2018|
Study of geotechnical aspect base on GIS as basic design of road
Doctoral Student of Environmental Science of Sriwijaya University, Palembang, Indonesia
2 Civil Engineering Department, State Polytechnic of Sriwijaya, Palembang, Indonesia
* Corresponding author: firstname.lastname@example.org
The determination road traces are the first step in road planning. Geotechnical aspects such as soil type, soil texture, peat soil, and CBR value should be considered during road planning so as to obtain the age of road services in accordance with the plan. At this time, GIS can be used in identifying the physical environmental conditions in the determination of road traces to increase time and cost efficiency. The suitability of the geotechnical aspects is determined using the scoring and weighting method. Each attribute is assigned a value with a range of values between 1 and 5. A score of 1 is given for the most suitable parameter, while a score of 5 is given if very unsuitable. The weights ratio of each criterion is 25% because each aspect has the same level of importance. Spatial analysis of the weighting result is done by the overlay method to obtain the geotechnical aspect appropriateness in determining road traces. The analysis results show that the lowest weights on the result of the overlay of the map is 2.25 which indicates that most of the area in Banyuasin Regency is “quite suitable” to be chosen as road traces.
© The Authors, published by EDP Sciences, 2018
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