11699

10731

كارشناسي ارشد

راه و ترابري

اصفهان: دانشگاه صنعتي اصفهان دانشكده عمران

1395

ده،[93]ص.: مصور، جدول،عكس (رنگي)،نمودار

ص.ع.به فارسي و انگليسي

مهدي ابطحي، مهدي حجازي

محسن ابوطالبي، كياچهر بهفرنيا

1395/08/15

كتابنامه

مهندسي عمران

ID10731

۴ پيوست ۵ مراجع ده چكيده امروزه توجه كشورها به اصول توسعه پايدار منجر به توجه روز افزون به حفظ محيط زيست شده است به نحوي كه فرآيند ها و تكنولوژيها به گونه اي طراحي و به بهره برداري مانده به حداقل ميرسند كه ضايعات و آلودگي هاي بر جا رسيده و از طرفي ديگر حد اكثر صرفه جويي در مصرف منابع و انرژي صورت پذيرد سرباره slag قسمت قابل توجه و اجتناب ناپذيري از محصولاتي است كه در پي توليد آهن و فولاد به وجود ميآيد انباشتگي سرباره بر محيط پيرامون خود تاثير قابل توجهي ميگذارد كه از جمله مهمترين آنها آلودگي آب هاي زيرزميني ميباشد از طرفي دپوهاي عظيم سرباره مساحت قابل توجهي از كارخانجات توليد آهن و فولاد را اشغال كرده به گونه اي كه در برخي كارخانجات مساحت اشغال شده توسط سرباره بيشتر از مساحت محوطه ي توليد ميگردد كه از نقطه

۴ Investigation into the effect of Gilsonite on the performance of sub ballast layer made from steel slag aggregates Sohrab pahlevani s pahlevani@cv iut ac ir April 16 2016 Civil Engineering Department Isfahan University of Technology Isfahan 84156 83111 Iran Degree M Sc Language Farsi Supervisor Dr sayyed mahdi abtahi Email address mabtahi@cc iut ac ir Dr sayyed mahdi hejazi Email address hejazi110@cc iut ac irAbstractToday the attention of countries to the principles of sustainable development has led to increasingattention to environmental protection Consequently the processes and technologies are designedto come into operation in a way that minimizes waste and pollution On the other hand themaximum saving of energy and the resources are met Slag inevitably is a substantial part of theproducts that will arise following the production of iron and steel Slag accumulation has asignificant impact on the environment including groundwater pollution The great slag depotsoccupies a considerable area of iron and steel factories to the extent that in some factories thearea occupied by slag is more than the surface area of the product area which is important from theeconomic point of view On the other hand slag physical properties have made this aggregatesuitable for use in road construction industry and much research has been done in this area Unfortunately many of these aggregates are not used in our country and mainly regarded as awaste material In this study we tried to improve some physical properties of slag so that theaggregate layer can be widely used in railway sub ballast Field assessments have shown that theaggregate slag slag produced in Mobarakeh Steel Complex does not show enough shear strengthfor use in the sub ballast and does not compact well In this regard the effect of Gilsonite which isalso named natural or mineral bitumen was studied on shear strength of slag sub ballast layers Inthis study in addition to slag materials quality control testing California Bearing Ratio CBR test

مهدي ابطحي، مهدي حجازي

محسن ابوطالبي، كياچهر بهفرنيا