پديد آورنده :
عامليان، سروش
عنوان :
ارزيابي حساسيت رطوبتي مخلوط هاي آسفالتي بر پايه ي پردازش تصوير
مقطع تحصيلي :
كارشناسي ارشد
گرايش تحصيلي :
راه و ترابري
محل تحصيل :
اصفهان: دانشگاه صنعتي اصفهان، دانشكده عمران
صفحه شمار :
يك،95ص.: مصور،جدول،نمودار
يادداشت :
ص.ع.به فارسي و انگليسي
استاد راهنما :
مهدي ابطحي، بهروز كوشا
توصيفگر ها :
مخلوط آسفالتي , عريان شدگي , مدول ديناميك
تاريخ نمايه سازي :
27/2/93
استاد داور :
كياچهربهفرنيا، محسن ابوطالبي
چكيده انگليسي :
V Moisture Susceptibility Evaluation of Asphalt Mixes Based on Image Analysis Soroosh Amelian s amelian@cv iut ac ir 2014 1 21 Department of Civil Engineering Isfahan University of Technology Isfahan 84156 83111 Iran Degree M Sc Language FarsiSupervisor S M Abtahi mabtahi@cc iut ac irB Koosha cgkoosha@cc iut ac irAbstractMoisture damage in hot mix asphalt is one of the major concerns in durability of flexiblepavements Numerous methods were developed to evaluate moisture susceptibility ofHMA in last decades Some of these methods are simpler and less costly qualitativetests and some of them are more reliable In this research a digital image analysis approach was utilized to convert boiling watertest ASTM D3625 from visual rating to objective evaluation Digital images capturedfrom mixtures were processed and analyzed to identify the amount of strippingpercentages Some laboratory tests were conducted on specimens prepared from differenttypes of aggregates to compare the stripping percentages obtained from image analysis ofthe boiling water test and modified Lottman test AASHTO T283 results In AASHTOT283 test in addition to indirect tensile strength the Dynamic Modulus E test and theMarshall Stability test were performed therefore three criteria including tensile strengthratio TSR E stiffness ratio ESR and retained marshall stability RMS were used tocompare the results of two methods The dynamic modulus test was conducted in indirecttension mode by assumption of Poisson s ratio and a linear viscoelastic solution was usedfor the E calculation Findings showed that the results of boiling water test have significant relationship withTSR and ESR Good correlation was found between three tests however the results ofboiling test did not show significant relationship with RMS KeywordsAsphalt mixture Moisture susceptibility Stripping Dynamic modulus Indirect tensilestrength Image analysis
استاد راهنما :
مهدي ابطحي، بهروز كوشا
استاد داور :
كياچهربهفرنيا، محسن ابوطالبي
