Filtreler
Evaluation of organic waste materials as bio-polymeric admixtures in cement based composite mortars Organik atık malzemelerin biyo-polimerik katkı olarak çimento bağlayıcılı kompozit harçlarda değerlendirilmesi

Kalkan, Şevket Onur

Doktora Tezi | 2022 | Graduate School of Natural and Applied Sciences

ABSTRACTIn this study, the effect of a new generation bio-polymeric admixture on the physical and mechanical properties of cement mortars is examined in detail. The bio-polymeric admixture is prepared by grinding egg shells, apricot kernel shells, hazelnut kernel shells, walnut kernel shells, and olive seeds in micronized sizes. The evaluation of the bio-polymeric admixtures, which are produced as wastes, among high production materials such as concrete and mortar derivative products, provides an opportunity for better disposal and management of these wastes.ÖZETBu çalışmada, yeni nesil biyopolimerik katkının çimento harçlarının fiz . . .iksel ve mekanik özelliklerine etkisi detaylı olarak incelenmiştir. Biyopolimerik katkı, yumurta kabukları, kayısı çekirdekleri, fındık çekirdekleri, ceviz kabukları ve zeytin çekirdeklerinin mikronize boyutlarda öğütülmesiyle hazırlanmıştır. Atık olarak üretilen biyopolimerik katkıların beton ve harç türevi ürünler gibi üretimi yüksek malzemeler arasında değerlendirilmesi, bu atıkların daha iyi bertarafı ve yönetimi için fırsat sunmaktadır Daha fazlası Daha az

Technical investgation for the use of textile waste fiber types in new generation composite plasters

Kalkan, Şevket Onur

Yüksek Lisans | 2017 | İzmir Katip Çelebi Üniversitesi Fen Bilimleri Enstitüsü

Garment and textile production industry is one of the main sectors of our country. This sector is a major driving force in our developing economy. According to 2014 data, Turkey is the third country on textile export among the European countries. Besides, Turkey is the world's sixth largest garment exporter. With such a huge production power, in Turkey’s textile sector, waste and/or residual textile materials are composed depends on the large scale production, as in most of the other production sectors. Such waste materials in textile industry are the left materials from production stages and/or textile materials that thrown . . .away after use. These waste and/or residual materials could be seen as a recycling material in the internal components of the textile sector. However, also it can be seen that the accumulation of waste textile fiber amount left over from recycling process cannot be underestimated. These textile wastes accumulation also brings up a potential material that may also be regarded as an industrial material. However, today, sufficient level of research on waste materials that shows accumulation characteristics cannot be seen to create added value in the industry. A comprehensive experimental investigation was carried out to develop especially fiber reinforced composite plaster products for construction sector by using appropriately sized and configured textile waste or residues. In this context, this experimental research includes the assessment of the use of four different types of textile wastes in the building plaster material. Especially in construction sector, the potential of evaluation of using textile fibers as fiber additive in production of lightweight construction material and production of mortar is being developed in recent years. Technical advantages of fiber additives on building materials are detailed examination subject. But also, it is not found any sufficient level of technical findings on the mechanical and the physical advantages of textile waste fibers. In this context, technical relationship between different types of fibers and mortar combination has been a special examination area by experimental analysis. In addition, textile wastes are accumulating every day in the factories of textile firms that constitute the mainstay for the Turkish economy. Companies usually under extra financial obligations in order to use, recycle or dispose those textile wastes. This thesis will have a unique value in the context of shed light on companies this seeking, besides contributing the national economy Daha fazlası Daha az

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