Volume 4, Issue 2 (2011) | American Journal of Engineering and Applied Sciences

Termite Damage to Buildings: Nature of Attacks and Preventive Construction Methods

Abdel Ghaly — 2011-07-12

American Journal of Engineering and Applied Sciences, Published online: 12 July 2011; doi:10.3844/ajeassp.2011.187.200

Problem statement: Termites are an essential member of the soil ecosystem and are found throughout the world. In their natural environment, they improve soil pH, organic carbon content, water content ...

Use of Recycled Aggregate and Fly Ash in Concrete Pavement

Myle Nguyen James — 2011-07-12

American Journal of Engineering and Applied Sciences, Published online: 12 July 2011; doi:10.3844/ajeassp.2011.201.208

Problem statement: Recycled materials aggregate from the demolished concrete structures and fly ash from burning coal shows the possible application as structural and non structural components in conc...

Experimental Study of Electromagnetic Environment in the Vicinity of High Voltage Lines

Wafa Tourab — 2011-07-12

American Journal of Engineering and Applied Sciences, Published online: 12 July 2011; doi:10.3844/ajeassp.2011.209.213

Problem statement: Several studies have investigated the impact of electromagnetic field generated by high voltage power lines on environment. The evaluation of electric and magnetic field quantitie...

Solving the Periodic Maintenance Scheduling Problem via Genetic Algorithm to Balance Workforce Levels and Maintenance Cost

Mohamed Ali Abdel-Fattah Mansour — 2011-07-12

American Journal of Engineering and Applied Sciences, Published online: 12 July 2011; doi:10.3844/ajeassp.2011.223.234

Problem statement: In this article we address the multi-objective Periodic Maintenance Scheduling Problem (PMSP) of scheduling a set of cyclic maintenance operations for a given set of machines throug...

Application of Adaptive Predictive Control to a Newborn Incubator

Med Aymen Zermani — 2011-07-13

American Journal of Engineering and Applied Sciences, Published online: 13 July 2011; doi:10.3844/ajeassp.2011.235.243

Problem statement: This study presents an application of Indirect Adaptive Generalized Predictive Control (IAGPC) of an incubator for newborn, in order to improve the performance of temperature cont...

Use of Surface Energy to evaluate Adhesion of Bituminous Crack Sealants to Aggregates

Ellie H. Fini — 2011-07-13

American Journal of Engineering and Applied Sciences, Published online: 13 July 2011; doi:10.3844/ajeassp.2011.244.251

Problem statement: The performance of bituminous sealants in the field is partly controlled by properties and strength of the sealant-aggregate interface. The thermodynamic work of adhesion represen...

Petri Nets and Ladder Logic for Fully-Automating and Programmable Logic Control of Semi-Automatic Machines and Systems

Mahmoud A. Barghash — 2011-07-13

American Journal of Engineering and Applied Sciences, Published online: 13 July 2011; doi:10.3844/ajeassp.2011.252.264

Problem statement: Automating semi-automatic dynamic machines and complex systems, where some functionalities are already automated but the machine doesn’t run fully in automatic mode, represents a...

Influence of organic wax on bitumen characteristics

Arafat Suleiman Yero — 2011-07-13

American Journal of Engineering and Applied Sciences, Published online: 13 July 2011; doi:10.3844/ajeassp.2011.265.269

Statement problem: The study investigated effect of organic wax Sasobit wax (S) on the characteristics of bitumen 80/100-penetration grade. The consistency of bitumen is measure of its susceptibility ...

Utilizing Geographic Information System for Prediction of Soil Erosion in Sono Sragen Catchment Area

Muhammad Mukhlisin — 2011-07-13

American Journal of Engineering and Applied Sciences, Published online: 13 July 2011; doi:10.3844/ajeassp.2011.270.275

Problem statement: Embung is a small dam created by manmade lakes and used to catch water during rainy season for an irrigation source. In Sragen area, Embung Sono is one of around twenty embung tha...

Developing a Computer Program for the Methods of Radius-Estimating Techniques for Horizontal Curves

Asma Th. Ibraheem — 2011-07-13

American Journal of Engineering and Applied Sciences, Published online: 13 July 2011; doi:10.3844/ajeassp.2011.276.287

Problem 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 ...

An Effective Approach for Benchmarking Implementation

B. M. Deros — 2011-07-13

American Journal of Engineering and Applied Sciences, Published online: 13 July 2011; doi:10.3844/ajeassp.2011.288.293

Problem statement: The purpose of this study is to present a benchmarking guideline, conceptual framework and computerized mini program to assists companies achieve better performance in terms of qu...

Experimental Study of Load Sharing in Roller-Bearing Contact by Caustics and Photoelasticity

Konstandinos G. Raptis — 2011-07-13

American Journal of Engineering and Applied Sciences, Published online: 13 July 2011; doi:10.3844/ajeassp.2011.294.300

Problem statement: In this study a comprehensive methodology for calculating load sharing in Roller-bearing contact was presented based on the experimental stress-optical method of caustics and Phot...

GPS Ionospheric Total Electron Content and Scintillation Measurements during the October 2003 Magnetic Storm

Mohammad Awad Momani — 2011-07-13

American Journal of Engineering and Applied Sciences, Published online: 13 July 2011; doi:10.3844/ajeassp.2011.301.306

Problem Statement: Ionospheric scintillations, cause significant effects on satellite signals for communication and navigation in equatorial region and polar regions mainly during sever magnetic storm...

Towards more Manageable Coastal Building; Initial Coastal Building Construction Guidelines

Roslan Talib — 2011-08-22

American Journal of Engineering and Applied Sciences, Published online: 22 August 2011; doi:10.3844/ajeassp.2011.307.313

Problem statement: As we may not be aware that the coastal construction is different from inland construction. Building in a coastal environment is different from building in an inland area. In genera...