74 articles for “Transportation problem”

Research ArticleOpen accessAll words, across the recordEvaluation of Common Maintenance Methods for Flexible PavementsAsma T. Ibraheem, Suda M. GaniProblem statement: With the increasing use and awareness of pavement management systems and the growing emphasis on asset management of pavement infrastructure, it is important to strengthen the maintenance components of these systems and particularly the preventive maintenance component. Iraqi Roads don’t receive an effective and proper maintenance during their service life until they reach the state of major failure … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 3 · 29 Nov 2011 · 7,859 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordDeveloping a Computer Program for the Methods of Radius-Estimating Techniques for Horizontal CurvesAsma Th. Ibraheem, Fatin JananProblem statement: This study discusses the development of computer software of two phases. First phase contains the calculations of all curve elements of the four types of the horizontal curve and second phase contains the modeling of the ten methods of estimating the radius of the horizontal curve. Approach: The program is named as HCRET, which stands for Horizontal Curves … …American Journal of Engineering and Applied Sciences, Vol. 4, Issue 2 · 13 Jul 2011 · 8,028 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordA Novel Transporting System Model for Oil RefineryRazman Mat Tahar, Waleed K. AbduljabbarProblem statement: Oil refineries are widely used to store various liquids and gases. Petroleum products are in high demand. Oil companies have abundant resources of petroleum products in pipelines and storage tanks. Approach: Included are storage tanks at retail gasoline station, home heating oil tanks, lubricant storage at automotive service facilities, propane tanks in all sorts of application, and oil … …American Journal of Engineering and Applied Sciences, Vol. 3, Issue 1 · 31 Mar 2010 · 7,870 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordThe Situation and Evaluation of Forest Harvesting Methods in TurkeyMurat Demir, Tolga OzturkThe present study summarize and evaluate major problems of timber harvesting in Turkey and the future principles and objectives have been defined. Timber harvesting in Turkey is still carried out by manual methods due to economical, social and environmental constraints. Almost 80% of harvesting activities are mechanized in many developed countries while this value is only 5% in Turkey. Overall … …American Journal of Applied Sciences, Vol. 2, Issue 2 · 28 Feb 2005 · 7,396 accessesView PDF Cite