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RISConstructive and Destructive Interplay Between Piezoelectricity and Flexoelectricity in Flexural Sensors and Actuators
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Flexoelectricity is an electromechanical effect coupling polarization to strain gradients. It fundamentally differs from piezoelectricity because of its sizedependence and symmetry. Flexoelectricity is generally perceived ...
Model for Lateral Swelling Pressure in Unsaturated Expansive Soils
Publisher: ASCE
Abstract: Unsaturated expansive soils annually cause major economic losses and structural damages to foundations and earthen structures, primarily due to exhibiting large amounts of swelling and shrinkage when subjected to variations ...
Predicting Resilient Modulus of Unsaturated Subgrade Soils Considering Effects of Water Content, Temperature, and Hydraulic Hysteresis
Publisher: ASCE
Abstract: The resilient modulus, MR, of subgrade soils is an important parameter in design and analysis of pavements. Subgrade soils are often unsaturated and can experience a wide range of suctions due to changes in water content ...
Pore Water Pressure Response during Tsunami Loading
Publisher: ASCE
Abstract: Tsunamis induce excess pore water pressure gradients in coastal sediment beds. The excess pore water pressure gradient induced during tsunami loading along with the shear stress caused by the tsunami flow can cause significant ...
Coupled Seepage-Deformation Model for Predicting Pore-Water Pressure Response during Tsunami Loading
Publisher: American Society of Civil Engineers
Abstract: Tsunamis induce pore-water pressures in coastal soil beds, and understanding how tsunami-induced excess pore-water pressure gradients form is not straightforward given the loading timescale and seepage effects. This study ...
Improved Estimation of Bearing Pads' Inlet Temperature: A Model for Lubricant Mixing at Oil Feed Ports and Validation against Test Data
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Energy efficient operation of fluid film bearings demands savings in delivery flow while also managing to reduce the temperature in the fluid film and bearing pads. To achieve this goal, tilting pad journal bearings (TPJBs) ...
Simplified Soil Liquefaction Assessment Based on Cumulative Kinetic Energy Density: Attenuation Law and Probabilistic Analysis
Publisher: American Society of Civil Engineers
Abstract: Liquefaction of sandy soils has led to catastrophic damage to structures during past earthquakes. Implementing simplified procedures such as the shear-stress method is the most prevalent current practice in assessing ...
Daily Evapotranspiration Modeling from Limited Weather Data by Using Neuro-Fuzzy Computing Technique
Publisher: American Society of Civil Engineers
Abstract: Evapotranspiration is an integral part of the hydrologic cycle and an important component in water resource development and management, especially in the arid and semiarid conditions such as those found in Iran in which ...
Protection of Buried Utilities against Repeated Loading: Application of Geogrid-EPS Geofoam System
Publisher: ASCE
Abstract: Expanded polystyrene (EPS) geofoam is commonly used as lightweight fill materials in wide range of geotechnical engineering applications including protection of buried utilities and pipelines. EPS blocks are usually placed ...
Optimization of Pyrite Bio-Oxidation to Produce Ferric Reagent for Sphalerite Leaching
Publisher: ASCE
Abstract: Leaching of zinc from sulfide minerals is a subject of considerable interest over the last few years. Ferric solutions were commonly reported to leach base metals sulfide concentrates. The current study investigates the ...