Tarımsal Yapılarda Kullanılacak Endüstriyel Atık Katkılı Kendiliğinden Yerleşen Betonların Performans Özellikleri ve Maliyet Optimizasyonu

Kendiliğinden Yerleşen Beton (KYB) sık donatıya sahip döküm koşullarının zor olduğu yerlerde,yüksek binalarda kolay ve kendiliğinden yerleşebilmesi nedeniyle son zamanlarda önem kazanmış biryapı malzemesidir. Tarımsal yapılar ise bitki ve hayvansal üretim yapıları, depolama yapıları vekonutlar gibi birçok birimi bünyesinde barındıran, projelendirilmesi ve yapımında özen gerektirenyapılardır. Bu amaç kapsamında hazırlanan bu çalışmada tarımsal yapılarda kullanılacak betonlardamermer tozu ve uçucu külü çimento ile yer değiştirerek beton içerisinde kullanılmaktır. Buçalışmalarda temel unsur KYB’nin mermer tozu ve uçucu kül ile davranışı ve taze özelliklerin yanısıra dayanıklılık üzerindeki etkisi hakkında bilgi edinilmesi ve ayrıca KYB’deki mermer tozlarınınsüper akışkanlaştırıcılar ve bunun gibi kimyasal katkı maddeleri ile uyumluluğunun araştırılarak,maliyetinin çıkartılmasıdır. Çalışma kapsamında PÇ 32,5 ve PÇ 42,5 yerine farklı oranlarda mermertozu ve uçucu kül karışımları oluşturulmuştur. Hazırlanan karışımlar ile 100 mm’lik küp numunelerhazırlanmış ve bu numunelerin bazı fiziksel özellikleri ile birlikte 3th, 7th ve 28th günlerde basınçdayanımları belirlenmiştir. Örnekler, geleneksel olarak üretilen referans KYB beton değerleri ilekarşılaştırılmıştır. Sonuç olarak, uçucu külün KYB’ye katkısının atık mermer tozunun katkısındandaha etkili olduğu ve toz malzeme olarak kullanılabileceği belirlenmiştir. Maliyet açısından ise eldeedilen yüksek dayanımlar sayesinde tarımsal yapılarda avantajlar sağlayacağı görülmüştür.

Performance Characteristics and Cost Optimization of Self-CompactingConcrete with Industrial Waste Additives to be Used in Agricultural Buildings

Self-Compacting Concrete (SCC) is a building material that has gained importance recently because it can easily and spontaneously settle in high buildings, where pouring conditions with frequent reinforcement are difficult. Agricultural structures, on the other hand, are structures that involve many units such as plant and animal barns, storage buildings and residences, and require care in their design and construction. In this study prepared for this purpose, it is used in concrete by replacing marble dust and fly ash with cement in concrete that will be used in agricultural structures. The main factor in these studies is to obtain information about the behavior of KYB with marble powder and fly ash, its fresh properties as well as its effect on durability, as well as to calculate the cost of marble powders in SCC with superplasticizers and similar chemical additives. Within the scope of the study, different ratios of marble powder (MP) and fly ash (FA) mixtures were created instead of OPC 32.5 and OPC 42.5. 100 mm cubic samples were prepared with the prepared mixtures and some of the physical properties of these samples were determined in 3th, 7th and 28th days. Samples were compared with SCC concrete values with traditionally produced references. As a result, it has been determined that the contribution of fly ash to SCC is more effective than the contribution of waste marble powder and can be used as powder material. In terms of cost, it has been observed that it will provide advantages in agricultural structures thanks to the high strengths obtained.

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