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SOE - Scholarly Publications: Recent submissions

  • Characterization and modeling of extensional and bending actuation in ionomeric polymer transducers 
    Akle, Barbar J.; Leo, Donald J.; SOE; 200700940; Industrial And Mechanical Engineering; barbar.akle@lau.edu.lb
    Ionomeric polymer transducers have received considerable attention in the past ten years due to their ability to generate large bending strain and moderate stress at low applied voltages. Bending transducers made of an ...
  • High-strain ionomeric–ionic liquid electroactive actuators 
    Akle, Barbar J.; Bennett, Matthew D.; Leo, Donald J.; SOE; 200700940; Industrial And Mechanical Engineering; barbar.akle@lau.edu.lb
    Ionomeric polymers are a class of electromechanical transducer consisting of an ionomeric substrate with metal-plated electrodes. Application of a low-voltage (<5 V) across the thickness of the membrane produces controllable ...
  • Correlation of capacitance and actuation in ionomeric polymer transducers 
    Akle, B. J.; Leo, D. J.; Hickner, M. A.; McGrath, J. E.; SOE; 200700940; Industrial And Mechanical Engineering; barbar.akle@lau.edu.lb
    Ionomeric polymer transducers are electromechanical actuators fabricated from ion-exchange membranes that have been surface plated with conductive metal. In this paper we discuss a series of experiments that characterize ...
  • Assessment of sustainable construction in Lebanon 
    Awwad, Rita; El Khoury, Karim; SOE; 199906210; Civil Engineering; rita.awwad@lau.edu.lb
    Purpose One of the most critical contemporary issues is achieving and maintaining sustainable development, adapting the use of natural resources to provide for the needs of our rising populations without threatening the ...
  • Evolutionary Simulation of Contractors’ Learning and Behavior under Two Bid-Tendering Approaches 
    Awwad, Rita; SOE; 199906210; Civil Engineering; rita.awwad@lau.edu.lb
    Abstract: Bidding and determining the optimum markup are two major decisions that a contractor has to think about thoroughly when faced with a new project. Several bidding models have been presented in the literature to ...
  • Impact of considering need for work and risk on performance of construction contractors 
    Awwad, Rita; Asgari, Sadegh; Kandil, Amr; Odeh, Ibrahim; SOE; 199906210; Civil Engineering; rita.awwad@lau.edu.lb
    Competitive bidding is the main mechanism of allocating projects in the construction market. In the traditional single criterion bidding method, the markup decision has a significant impact on a contractor's business ...
  • Construction safety practices and challenges in a Middle Eastern developing country 
    Awwad, Rita; El Souki, Omar; Jabbour, Melanie; SOE; 199906210; Civil Engineering; rita.awwad@lau.edu.lb
    The construction industry remains one of the most dangerous industries in the world accounting for a high percentage of work-related injuries and fatalities despite the establishment and implementation of safety programs ...
  • Developing a Virtual Laboratory for Construction Bidding Environment Using Agent-Based Modeling 
    Awwad, Rita; Asgari, Sadegh; Kandil, Amr; SOE; 199906210; Civil Engineering; rita.awwad@lau.edu.lb
    The competitive construction bidding process is a highly unstructured decision-making problem where contractors have to take several factors into consideration, weigh their relative importance, and consequently make bidding ...
  • The effects of needleless connectors on catheter-related thrombotic occlusions 
    Btaiche, Imad F.; Kovacevich, Debra S.; Khalidi, Nabil; Papke, Lorelei F.; SOP; 201105289; Pharmacy Practice Department; imad.btaiche@lau.edu.lb
    Needleless connectors have been introduced into clinical practice to prevent accidental needlestick injuries and associated bloodborne infections. Needleless connectors include the split-septum devices and the mechanical ...
  • Reduced order finite element model for elastohydrodynamic lubrication 
    Habchi, Wassim; SOE; 200804200; Industrial And Mechanical Engineering; wassim.habchi@lau.edu.lb
    This paper presents an extension of the reduced order finite element model to the case of circular elastohydrodynamic lubricated (EHL) contacts under isothermal Newtonian considerations. The line contact model was developed ...
  • Immobilization of Lead, Tungsten, and Phosphate by Steel Slag Fines: Metals Thresholding and Rate Studies 
    Wazne, Mahmoud; Jagupilla, S.; Grubb, D.; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb
    This study presents an evaluation of 9.5-mm minus steel slag fines (SSF) to immobilize lead (Pb), tungsten (W), and phosphate (P as PO4PO4) at total contaminant dosing concentrations of 10,000  mg/kg10,000  mg/kg (W, PO4PO4) ...
  • Evaluation of ettringite-related swelling mechanisms for treated chromite ore processing residue 
    Wazne, Mahmoud; Moon, Deok Hyun; Dermatas, Dimitris; Sanchez, Adriana; Hoon Cheong, Kyung; Park, Jeong-Hun; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb
    Accelerated one-dimensional unconfined swell tests were conducted for ferrous sulfate chromite ore processing residue (COPR) field-treated samples. The field-treated samples were subjected to wet and dry cycles over 100 ...
  • Phosphate removal from water by modified pine bark using ionic liquid analog 
    Wazne, Mahmoud; Karachalios, Antonis; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb
    Pine bark (PB) wood residues were chemically modified and used as anion exchange resins to remove phosphate (PO) from water. The modification process involved reacting a choline-based ionic liquid analog, comprised of a ...
  • Assessment of ferrous chloride and Portland cement for the remediation of chromite ore processing residue 
    Wazne, Mahmoud; Jagupilla, Santhi; Moon, Deok Hyun; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb
    Chromite Ore Processing Residue (COPR) is an industrial waste containing up to 7% chromium (Cr) including up to 5% hexavalent chromium [Cr(VI)]. The remediation of COPR has been challenging due to the slow release of Cr(VI) ...
  • Spatial and temporal assessment of metal pollution in the sediments of the Qaraoun reservoir, Lebanon 
    Wazne, Mahmoud; Korfali, Samira; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb
    This study reports on metal (Cd, Cr, Cu, Ni, Pb, and Zn) pollution in the sediments of the Qaraoun reservoir over a span period of 9 years (2004, 2008, and 2013) along with key major environmental indicators. This time ...
  • Phosphate removal from aqueous solution using ZVI/sand bed reactor 
    Wazne, Mahmoud; Sleiman, Nathalie; Deluchat, Veronique; Mallet, Martine; Courtin-Nomade, Alexandra; Kazpard, Veronique; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb
    This research reports on phosphate removal from aqueous solution using ZVI/sand packed columns. The influence of column preconditioning, consisting of ZVI pre-oxidation before feeding the columns with phosphate solution, ...
  • Role of phosphogypsum and NPK amendments on the retention or leaching of metals in different soils 
    Wazne, Mahmoud; Ammar, Rawaa; Kanbar, Hussein Jaafar; Kazpard, Veronique; El Samrani, Antoine; Amacha, Nabil; Saad, Zeinab; Chou, Lei; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb
    Column leaching tests were conducted to investigate the effects of soil physicochemical characteristics on metal mobility in the subsurface. The metals investigated originated from disposed industrial waste byproducts and ...
  • Reservoir sediments 
    Wazne, Mahmoud; Ammar, Rawaa; Kazpard, Veronique; El Samrani, Antoine; Amacha, Nabil; Saad, Zeinab; Chou, Lei; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb
    This study delineates the physical, chemical, and biological effects resulting from anthropogenic and endogenic activities in a sensitive dammed reservoir situated in a semi-arid region. The reservoir is characterized by ...
  • Role of iron oxidation byproducts in the removal of phosphate from aqueous solution 
    Wazne, Mahmoud; Sleiman, Nathalie; Deluchat, Veronique; Courtin, Alexandra; Saad, Zeinab; Kazpard, Veronique; Baudu, Michel; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb
    Zero Valent Iron (ZVI) is widely investigated in water treatment processes; the removal of contaminants may take place at the surface of ZVI or at the surface of its oxidation byproducts that have flaked off into the ...
  • Effects of natural and calcined oyster shells on antimony solubility in shooting range soil 
    Wazne, Mahmoud; Mahtab, Ahmad; Moon, Deok Hyun; Joung Kim, Hee; Han Lee, Young; Sik Ok, Yong; SOE; 201205627; Civil Engineering; mahmoud.wazne@lau.edu.lb
    Waste oyster shells (OS) and calcined oyster shells (COS) were used to treat metal-contaminated shooting range soil, where antimony (Sb) leachability was assessed. Changes in soil pH induced by the amendments strongly ...

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