Current Situation in the Evaluation of Plastic Wastes in Concrete

Öz

The rapid increase in population and raw materials used in industrial products such as electronics, automotive, and packaging increase the demand for plastic use every year. Plastic products, which are useful for industrial use, cause pollution in the environment with the depletion of their economic life. It is desired to reduce environmental pollution by revaluing plastic products that have become waste through various methods. At the start of these evaluations, energy production, recycling, and making new things through incineration were talked about. Even if this conversion is completed, a significant amount of waste (35–55%) must be stored. Reducing the amount of waste by evaluating the stored plastic volume in concrete production can be an ideal solution. In this review article, studies on the use of plastic waste in concrete were examined in the literature. The examined studies evaluated the concrete properties, mechanical properties, and durability properties of concrete. In experimental studies, many different types of plastic have been used, such as micro, macro, and fiber. Studies in the literature have been evaluated in terms of the type of plastic, the parameter studied, and its effect on concrete performance, and are given in the results section. It has become an extremely useful compilation for researchers who will work on this subject.

Anahtar Kelimeler

• Plastic Waste
• Sustainability
• Mechanical Properties of Concrete
• PET
• HDPE
• PP
• PVC

Plastik Atıkların Betonda Değerlendirmesindeki Güncel Durum

Öz

Nüfusun hızlı artışı ve elektronik, otomotiv, ambalaj gibi sanayi ürünlerinde kullanılan hammaddeler plastik kullanımına olan talebi her geçen yıl artırmaktadır. Endüstriyel olarak kullanımı faydalı olan plastik ürünlerin ekonomik ömrünün tükenmesiyle çevresel ortamda kirliliğe sebep olmaktadır. Atık haline gelen plastik ürünler çeşitli yöntemlerle yeniden değerlendirilerek çevre kirliliği azaltılmak istenmektedir. Bu değerlendirmelerin başında; yakılarak enerji üretimi ve geri dönüşüm ile yeni ürün üretimi gelmektedir. Ancak bu dönüşüm yapılsa bile %35-55 oranında ciddi bir miktar atık depolanmak zorunda kalmaktadır. Depolanan plastik hacminin beton üretiminde değerlendirilerek atık miktarının azaltılması son derece ideal bir çözüm olabilmektedir. Bu derleme makalesinde literatürde plastik atıkların betonda kullanımı ile ilgili çalışmalar incelenmiştir. İncelenen çalışmalar taze beton özellikleri, betonun mekanik özellikleri ve durabilite özellikleri olarak değerlendirilmiştir. Yapılan deneysel çalışmalarda farklı birçok plastik türü, mikro, makro boyutta ve lif olarak kullanılmıştır. Literatürdeki çalışmalar plastik türü, incelenen parametre ve beton performansına etkisi bakımından değerlendirilmiş ve sonuçlar kısmında verilmiştir. Bu konu hakkında çalışma yapan araştırmacılar için son derece faydalı bir derleme haline gelmiştir.

Anahtar Kelimeler

• Plastik Atık
• Sürdürülebilirlik
• Beton Mekanik Özellikleri
• PET
• HDPE
• PP
• PVC

Kaynakça

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