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| 1 | Composition and antimicrobial activity of Cistus munbyi essential oil: an endemic plant from Algeria显示文摘The chemical composition and antimicrobial potential of Cistus munbyi essential oil were studied for the first time. GC and GC–MS analysis revealed 48 compounds representing 96.98% of the oil. Terpinen-4-ol(23.75%), meta-Cymene(17.30%), and Sabinene(12.38%)were the major constituents. Antimicrobial activity was evaluated against nine pathogens using the disc diffusion and broth micro-dilution methods. Results show that C.munbyi essential oil possesses strong antimicrobial activity against all strains, regardless if Gram-positive or Gramnegative bacteria, or yeast, with MICs values not exceeding10(mg/ml). In addition to its efficacy, C. munbyi essential oil has an unusual antimicrobial potency which is attributed to its specific chemical composition. Thus, findings presented here suggest that endemic C. munbyi contains a very interesting essential oil that may be valuable in several areas. | Fethi Benbelaid Abdelmounaim Khadir Mourad Bendahou Mohamed Amine Abdoune Alain Muselli Jean Costa | 2017 | Journal of Forestry Research2017，28，6： | 7 |
| 2 | Centrifuge modeling of PGD response of buried pipe显示文摘A new centrifuge based method for determining the response of continuous buried pipe to PGD is presented.The physical characteristics of the RPI's 100 g-ton geotechnical centrifuge and the current lifeline experiment split-box are described: The split-box contains the model pipeline and surrounding soil and is manufactured such that half can be offset, in flight, simulating PGD. In addition, governing similitude relations which allow one to determine the physical characteristics,(diameter, wall thickness and material modulus of elasticity) of the model pipeline are presented. Finally, recorded strains induced in two buried pipes with prototype diameters of 0.63 m and 0.95 m (24 and 36 inch) subject to 0.6 and 2.0 meters (2and 6 feet) of full scale fault offsets and presented and compared to corresponding FE results. | Michael O'Rourke Vikram Gadicherla Tarek Abdoun | 2005 | Earthquake Engineering and Engineering Vibration2005，4，1： | 5 |
| 3 | Physical modeling and visualization of soil liquefaction under high confining stress显示文摘The mechanisms of seismically-induced liquefaction of granular soils under high confining stresses are still not fully understood. Evaluation of these mechanisms is generally based on extrapolation of observed behavior at shallow depths.Three centrifuge model tests were conducted at RPI's experimental facility to investigate the effects of confining stresses on the dynamic response ora deep horizontal deposit of saturated sand. Liquefaction was observed at high confining stresses in each of the tests. A system identification procedure was used to estimate the associated shear strain and stress time histories.These histories revealed a response marked by shear strength degradation and dilative patterns. The recorded accelerations and pore pressures were employed to generate visual animations of the models. These visualizations revealed a liquefaction front traveling downward and leading to large shear strains and isolation of upper soil layers. | Lenart González Tarek Abdoun Mourad Zeghal Vivian Kallou Michael K. Sharp | 2005 | Earthquake Engineering and Engineering Vibration2005，4，1： | 4 |
| 4 | Identification and imaging of soil and soil-pile deformation in the presence of liquefaction显示文摘A simple identification technique is developed to visualize the dynamic deformation mechanisms of centrifuge models of saturated soil and soil-pile systems using the measurements provided by sparsely distributed sensors. Cross-correlation analyses are employed first to assess the variation of shear wave velocity profile with time as soil experiences stiffness reduction and degradation during dynamic excitations. The corresponding time-dependent modal configurations are determined using the finite-element technique. These configurations are used along with recorded motions to evaluate optimal time histories of displacement and strain fields based on a spectral motion reconstruction. Visualizations of the response of infinite slope and soil-pile centrifuge models revealed salient and complex multi-dimensional deformation patterns, especially at high pore pressure ratios. The developed technique provides an effective tool to visualize and analyze the dynamic response of centrifuge, shake-table and field soil systems. | M. Zeghal P. V. Kallou C. Oskay T. Abdoun M. K. Sharp | 2006 | Earthquake Engineering and Engineering Vibration2006，5，2： | 3 |
| 5 | Evaluation of pile foundation response to lateral spreading 显示文摘 | Abdoun T Dobry R | 2002 | Soil Dynamics and Earthquake Engineering2002，22，912： | 1 |
| 6 | Liquefaction-Induced Lateral Load on Pile in a Medium Dr Sand Layer显示文摘 | Liangcai He Ahmed Elgamal Tarek Abdoun Akio Abe Ricardo Dobry Masanori Hamada Jorge Menses Masayoshi Sato Thomas Shantz Kohji Tokimatsu | 2009 | Journal of Earthquake Engineering2009，，7： | 1 |
| 7 | Pile response to lateral spreads: centrifuge modeling 显示文摘 | Abdoun T Dobry R | 2003 | Journal of Geotechnical and Geoenvironmental engineering2003，129，10： | 1 |
| 8 | Low molecular weight poly(acrylic acid) as a salt scaling inhihitor in oilfield operations显示文摘 | Moulay S Boukherissa M Abdoune F | 2005 | The Iranian Chemical Society2005，2，3： | 1 |
| 9 | Single pile in lateral spreads: field bending moment evaluation显示文摘 | Dobry R Abdoun T D Rourke T | 2003 | Journal of Geotechnical and Geoenvironmental Engi- neering2003，129，10： | 1 |
| 10 | Efi-ct of soil permeability on centrifuge modeling of pile response to lateral spreading 显示文摘 | Gonzalez L Abdoun T Dobry R D | 2009 | Journal of Geotechnieal and Geoenvironmental Engineering2009，135，1： | 1 |
| 11 | Liquefaction centrifuge model- ing of sands of different permeability 显示文摘 | Sharp M K Dobry R D Abdoun T | 2003 | Journal of Geotechnical and Geoenvironmental Engineering2003，129，12： | 1 |
| 12 | Pile response to lateral spreads:centrifuge modeling显示文摘 | ABDOUN T DOBRY R O'ROURKE T D | 2003 | Journal of Geotechnical and Geoenvironmental Engineering2003，129，10： | 1 |
| 13 | Centrifuge modeling of buried pipelines显示文摘 | MICHAEL O'Rourke VIKRAM Gadicherla TAREK Abdoun | 2003 | Journal of Geotechnical and Geoenvironmental Engineering ASCE2003，，： | 1 |
| 14 | Centrifuge Modeling of Seismic Behavior of a Slope in Liquefiable Soil显示文摘 | Taboada V M Martinez G Abdoun T | 2002 | Soil Dy- namics and Earthquake Engineering2002，22，912： | 1 |
| 15 | Pile response to lateral spreads:centrifuge modeling显示文摘 | ABDOUN T DOBRY R O'ROURKE T D | 2003 | Journal of Geotechnical and Geoenvironmental Engineering2003，129，10： | 1 |
| 16 | Single pile in lateral spreads:field bending moment evaluation显示文摘 | Dobry R Abdoun T D Rourke T | 2003 | Journal of Geotechnical and Geoenvironmental Engineering2003，129，10： | 1 |
| 17 | Evaluation of piles response tolateral spreading显示文摘 | Abdoun T Dobry R | 2002 | Soil Dynamic and EarthquakeEngineering2002，，22： | 1 |
| 18 | Pile response to lateral spreads:centrifuge modeling显示文摘 | ABDOUN T DOBRY R O'ROURKE T D ct al | 2003 | Journal of Gcotechnical and Geoenvironmental Engineering2003，129，10： | 1 |
| 19 | Single piles in lateral spreads: field bending moment evaluation显示文摘 | RICARDO Dobry TAREK Abdoun O' ROURKE THOMAS D | 2003 | Journal of Geotechni- eal and Geoenvironmental Engineering2003，129，10： | 1 |
| 20 | Wireless Real Time Moni- toring of Soil and Soil-structure Systems显示文摘 | Abdoun T Abe A Bennett V | 2007 | Geotechnieal Spe cial Publication2007，，： | 1 |
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