AUB ScholarWorks

Browsing Department of Civil and Environmental Engineering - Faculty Publications by Issue Date

Browsing Department of Civil and Environmental Engineering - Faculty Publications by Issue Date

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  • Coastal zone in Lebanon: Characterization, modeling and management 
    Abou-Ibrahim A.R.; El-Fadel M. (, 2004)
    This paper presents hydrodynamic and water quality simulation results along the Lebanese coast at both the global and local levels. The global level is a generalized modeling scenario with large geographical scale to obtain ...
  • Wheel load distribution in simply supported concrete slab bridges 
    Mabsout M.; Tarhini K.; Jabakhanji R.; Awwad E. (RESTON1801 ALEXANDER BELL DR, RESTON, VA 20191-4400 USA, 2004)
    This paper presents the results of a parametric study related to the wheel load distribution in one-span, simply supported, multilane, reinforced concrete slab bridges. The finite-element method was used to investigate the ...
  • Correlation of indoor-outdoor air quality in urban areas 
    El-Hougeiri N.; El Fadel M. (LONDON1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND, 2004)
    Indoor and outdoor air quality was investigated at 28 public locations with mostly mechanical ventilation systems. The locations were selected from various geographic categories representing different environments for ...
  • Reliability-based approach for strengthening structural systems using CFRP sheets 
    Kudsi T.N.; Harajli M.H. (, 2004)
    Many researchers have explored different approaches to strengthen existing structural systems, such as the use of external steel beam installed to the column sides, or the use of transverse reinforcement pre-stressed against ...
  • Comparison of bond strength of steel bars in normal- and high-strength concrete 
    Harajli M.H. (RESTON1801 ALEXANDER BELL DR, RESTON, VA 20191-4400 USA, 2004)
    A comparative analytical study of the average bond strength at failure of reinforcing bars embedded in unconfined normal-strength concrete (NSC) and high-strength concrete (HSC) is undertaken. The analysis makes use of an ...
  • Effect of Confinement Using Fiber-Reinforced Polymer or Fiber-Reinforced Concrete on Seismic Performance of Gravity Load-Designed Columns 
    Harajli M.H.; Rteil A.A. (FARMINGTON HILLS38800 INTERNATIONAL WAY, COUNTRY CLUB DRIVE, PO BOX 9094, FARMINGTON HILLS, MI 48333-9094 USA, 2004)
    This paper presents the results of an experimental investigation undertaken to evaluate the seismic performance of reinforced concrete (RC) columns designed for gravity load and confined externally with carbon fiber-reinforced ...
  • Experimental and analytical evaluation of bond strength of reinforcement in fiber-reinforced polymer-wrapped high-strength concrete beams 
    Hamad B.S.; Soudki K.A.; Harajli M.H.; Rteil A.A. (FARMINGTON HILLS38800 INTERNATIONAL WAY, COUNTRY CLUB DRIVE, PO BOX 9094, FARMINGTON HILLS, MI 48333-9094 USA, 2004)
    This paper presents the results of two phases of a research program conducted at the American University of Beirut (AUB) to examine the effect of confinement provided by fiber-reinforced polymer (FRP) sheets on the bond ...
  • Impact of diesel policy banning on PM levels in urban areas 
    El-Fadel M.; Aldeen R.A.F.; Maroun R. (, 2004)
    Increased use of diesel engine in on-road vehicles presents a serious health concern, particularly in traffic-congested urban areas. Diesel exhaust contains various gaseous and particulate pollutants, which, at high ...
  • Effect of potholes on load distribution in concrete slab bridges 
    Mabsout M.; Tarhini K.; Awwad E.; Frederick G. (, 2004)
    This paper presents a parametric study of the effect of potholes on load distribution in reinforced concrete slab bridges using finite-element analysis (FEA). Parameters such as the span length, slab width, pothole location, ...
  • Assessment of hydrogen sulphide corrosion of cementitious sewer pipes: A case study 
    Ayoub G.M.; Azar N.; El Fadel M.; Hamad B. (, 2004)
    A study was conducted to assess hydrogen sulphide corrosion in cementitious sewer pipes and concrete culverts existing in the four largest coastal cities and their environs in Lebanon. Significant factors and parameters ...
  • Traveler information provision for incident management implications for vehicle emissions 
    Kaysi I.; Chazbek C.; Ei-Fadel M. (, 2004)
    The potential of intelligent transportation systems (ITS) in alleviating nonrecurring traffic congestion was assessed, and then the resulting implications for vehicle-induced emissions in a congested city in a developing ...
  • Impact of step-feed on COD and BOD5 removal in rotating biological contactors 
    Ayoub G.; Saikaly P.; Ei-Fadel M.; Baydoun E. (LARCHMONT2 MADISON AVENUE, LARCHMONT, NY 10538 USA, 2004)
    A study was conducted to evaluate the effectiveness of step-feed in a rotating biological contactor (RBC) system consisting of two three-stage units (one control and one step-feed) treating synthetic wastewater. The ...
  • The combined effect of step-feed and recycling on RBC performance 
    Ayoub G.M.; Saikaly P. (OXFORDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND, 2004)
    The effect of step-feed and recycling on the efficiency of treatment in rotating biological contractors (RBCs) was investigated. Experiments were conducted on a RBC system consisting of two three-stage units. The two units ...
  • Comparative assessment of EIA systems in MENA countries: Challenges and prospects 
    El-Fadl K.; El-Fadel M. (NEW YORK360 PARK AVE SOUTH, NEW YORK, NY 10010-1710 USA, 2004)
    Environmental impact assessment (EIA) was devised as a decision tool in response to the grand swell of ecocentric concerns to mediate between the technocentric view of continued development and the ability to create economic ...
  • Groundwater resources in Lebanon: A vulnerability assessment 
    Metni M.; El-Fadel M.; Sadek S.; Kayal R.; El Khoury D.L. (BASINGSTOKERANKINE RD, BASINGSTOKE RG24 8PR, HANTS, ENGLAND, 2004)
    This paper presents a regional groundwater vulnerability assessment for Lebanon using the DRASTIC model coupled with a GIS-based framework to prioritize protection efforts, whereby the most vulnerable areas to groundwater ...
  • Submarine springs as an alternative water resource a field investigation 
    Ayoub G.; Khoury R.; Ghannam J.; Acra A.; Hamdar B. (, 2004)
    A general objective of the study was set at evaluating the feasibility of exploiting the submarine springs in the Chekka Bay, Lebanon, taking into consideration technical, economic, social, and environmental aspects of ...
  • Use of spreadsheets in environmental education: An application for solid waste management 
    El-Fadel M.; Bsat R.; Adada M. (, 2004)
    Spreadsheets have gained increasing popularity in engineering applications, used by both students and practicing engineers. In addition to their low cost, they are easy to learn, and provide the user with the flexibility ...
  • Parametric sensitivity analysis of leachate transport simulations at landfills 
    Bou-Zeid E.; El-Fadel M. (OXFORDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND, 2004)
    This paper presents a case study in simulating leachate generation and transport at a 2000 ton-day landfill facility and assesses leachate migration away from the landfill in order to control associated environmental ...
  • Effect of confinement of bond strength between steel bars and concrete 
    Harajli M.H.; Hamad B.S.; Rteil A.A. (FARMINGTON HILLS38800 INTERNATIONAL WAY, COUNTRY CLUB DRIVE, PO BOX 9094, FARMINGTON HILLS, MI 48333-9094 USA, 2004)
    The local bond aspect between steel bars and concrete confined with ordinary transverse steel is experimentally investigated. The test parameters included diameter of reinforcing bar, ratio of concrete cover to bar diameter ...
  • Computer-based interface for an integrated solid waste management optimization model 
    Abou Najm M.; El-Fadel M. (OXFORDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND, 2004)
    Planning a regional waste management strategy is a critical step that, if not properly addressed, will lead to an inefficient integrated solid waste management (ISWM) system. Regional planning affects the design, implementation, ...

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