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Browsing Faculty of Engineering and Architecture (FEA) by Issue Date

Browsing Faculty of Engineering and Architecture (FEA) by Issue Date

Now showing items 1-20 of 2265

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 ...
Transient current testing of dynamic CMOS circuits in the presence of leakage and process variation

Chehab A.; Kayssi A.; Nazer A.; Aaraj N. (, 2004)

We propose a method for testing dynamic CMOS circuits using the transient power supply current, iDDT. The method is based on setting the primary inputs of the circuit under test, switching the clock signal and monitoring ...
An improved method for iDDT testing in the presence of leakage and process variation

Chehab A.; Kayssi A.; Nazer A.; Makki R. (, 2004)

We propose in this paper a testing method for CMOS circuits that is insensitive to process variations and leakage levels. This method is based on the transient supply current (iDDT) and on the observation that current ...
Natural language interface for mobile robot navigation control

Song I.; Guedea F.; Karray F.; Dai Y.; El Khalil I. (, 2004)

Natural language command is very abstract. On the other hand, a mobile robot command should be very specific with actual numbers. Thus natural language processing and robot navigation has a big gap. In our research, we ...
Unified decoder architectures for Repeat-Accumulate and LDPC codes

Mansour M.M. (, 2004)

This paper investigates the design of high-performance decoder architectures for two promising codes - Repeat-Accumulate (RA) and LDPC codes - of large block length, in both regular and irregular forms. It addresses the ...
Bond strength of tension lap splices in high-strength concrete beams strengthened with glass fiber reinforced polymer wraps

Hamad B.S.; Rteil A.A.; Soudki K.A. (RESTON1801 ALEXANDER BELL DR, RESTON, VA 20191-4400 USA, 2004)

This paper presents the experimental results of the first phase of a study undertaken at the American University of Beirut to examine the effectiveness of fiber reinforced polymer (FRP) wraps to confine steel reinforcement ...
The historical impact of ISO 9000 on Lebanese firms.

Mezher T.; Ajam M.; Shehab M. (, 2004)

The objective of this paper is to assess the impact of the new ISO 9001:2000 standard on the Quality Management Systems (QMS) of Lebanese firms that were already certified under ISO 9000:1994. To get an accurate feedback ...
Fuzzy logic arbiters for multiple-bus multiprocessor systems

Diab H.B. (PISCATAWAY445 HOES LANE, PISCATAWAY, NJ 08855 USA, 2004)

This paper describes and evaluates the use of fuzzy logic arbiters for multiple-bus shared memory multiprocessor system. Multiple-bus systems allow multiple and simultaneous bus transfer in addition to a high degree of ...
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 ...
Impacts of traffic-induced lead emissions on air, soil and blood lead levels in Beirut

Hashisho Z.; El-Fadel M. (DORDRECHTVAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS, 2004)

Lead is a purely toxic heavy metal which induces a wide variety of adverse physiologic effects. Nevertheless, it has been mined and used for more than 8,000 years. Among the different contemporary sources of lead pollution, ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...

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Browsing Faculty of Engineering and Architecture (FEA) by Issue Date

Browsing Faculty of Engineering and Architecture (FEA) by Issue Date

Search Scholarworks

Browse

All of Scholarworks

This Community

My Account

Copyright Statement