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A Comparative Investigation of the Biodegradation Behaviour of Linseed Oil-Based Cross-Linked Composites Filled with industrial waste materials in Two Different Soils

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Journal of Renewable materials 2023年第3期11卷 1254-1268页

作者： Eglė Malachovskienė Danguolė Bridžiuvienė Jolita Ostrauskaitė Justina Vaičekauskaitė Gailė Žalūdienė Biodeterioration Research Laboratory Nature Research CentreVilniusLT-08412Lithuania Department of Polymer Chemistry and Technology Kaunas University of TechnologyKaunasLT-50254Lithuania Laboratory of Bedrock Geology Nature Research CentreVilniusLT-08412Lithuania

The biodegradation of polymeric biocomposites formed from epoxidized linseed oil and various types of fillers(pine needles,pine bark,grain mill waste,rapeseed cake)and a control sample without filler was studied during 180 days of exposure to two types of forest soil:deciduous and *** weight loss,morphological,and structural changes of polymer composites were noticed after 180 days of the soil burial *** greatest weight loss of all tested samples was observed in coniferous forest soil(41.8%–63.2%),while in deciduous forest soil,it ranged between 37.7%and 42.3%.The most significant changes in the intensities of the signals evaluated by attenuated total reflectance infrared spectroscopy,as well as morphological changes determined by scanning electron microscopy,were assessed for polymer composite with rapeseed cake and specimen without filler in coniferous forest soil and are in a good agreement with weight loss *** significantly lower changes in weight loss,morphology,and structure of polymeric film with pine bark were noticed in both *** was suggested that fungi of Trichoderma,Penicillium,Talaromyces and Clonostachys genera are the possible soil microorganisms that degrade linseed oil-based cross-linked polymer ***,the novel polymer composites have the potential to be an environmentally friendly alternative to petroleum-based mulching films.

关键词： Polymer composites linseed oil industrial waste materials biodegradation soil burial

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Semi-flowable self-consolidating concrete using industrial wastes for construction of rigid pavements in India:An overview

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Journal of Traffic and Transportation Engineering(English Edition) 2023年第2期10卷 243-257页

作者： Bhupati Kannur Hemant Sharad Chore Department of Civil Engineering Dr.B.R.Ambedkar National Institute of Technology JalandharPunjabIndia

The construction of rigid pavements using conventionally vibrated concrete consumes a significant amount of energy as it requires rigorous *** also requires a high number of laborers and creates noise during ***,a new kind of concrete called semi-flowable self-consolidating concrete(SFSCC)for pavement construction using slip-form paving technology is reviewed in this *** SFSCC requires no energy for compaction as it gets compacted under its self *** also renders shape stability in the fresh state which is critical to expedite the construction in slip form *** review focuses on the need,evolution,and requirement of the ingredient materials,mix design,and methods for testing the properties of ***,the utilization of industrial wastes in the construction industry and the production of self-consolidating concrete are *** literature on the effect of different materials on the properties of such concrete and field studies in this context are ***,its suitability as pavement construction material either in normal rural roads or in low-volume village roads is discussed in the Indian *** review reveals that relatively less amount of study on SFSCC in general and as a pavement material in particular is available in the literature and pursuant to this,creates a wide scope of research.

关键词： SFSCC SCC industrial waste materials Concrete pavement Pavement construction

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Soil Improvement Using waste materials:A Review

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Journal of Building Material Science 2020年第1期2卷 11-17页

作者： Kiran Devi Ashish Chhachhia Amit Kumar Civil Engineering Department National Institute of TechnologyKurukshetra136119India GGS Govt.Polytechnic Education Society CheekaHaryana136034India

With the industrialisation,industrial byproducts are produced in large quantities and create nuisance to natural *** disposal of these wastes like fly ash,marble powder,construction and demolition(C&D)waste,brick powder,agricultural wastes *** become the potential threat to the ecosystem and need some real *** direct disposal of such wastes into open land or water bodies causes circumambient *** of the potential solutions is to utilise these wastes in the construction industry on large scale as subgrade rehab or additive to cement based *** the present study,the compaction and strength characteristics of stabilised soil have been studied by using various waste materials ***,cement,plastic waste,industrial waste,fibre,mushroom waste,wet olive pomace *** *** addition of additives improved the engineering properties of soil significantly.

关键词： Soil stabilisation industrial waste materials Maximum dry density Unconfined compressive strength California Bearing Ratio

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