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Investigation of fiber-modified short beams behavior with polymer coatings

Başlık çevirisi mevcut değil.

  1. Tez No: 722556
  2. Yazar: ERKAN BOZTAŞ
  3. Danışmanlar: DR. KASİM A. KORKMAZ, DR. JAMES STEİN
  4. Tez Türü: Yüksek Lisans
  5. Konular: İnşaat Mühendisliği, Civil Engineering
  6. Anahtar Kelimeler: Belirtilmemiş.
  7. Yıl: 2018
  8. Dil: İngilizce
  9. Üniversite: Eastern Michigan University
  10. Enstitü: Yurtdışı Enstitü
  11. Ana Bilim Dalı: Belirtilmemiş.
  12. Bilim Dalı: Belirtilmemiş.
  13. Sayfa Sayısı: 89

Özet

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Özet (Çeviri)

Polymers are high-solids-content materials used in the construction industry for many reasons in wide range. Based on their characteristics, they can be used in curing, sealing, and increasing the performance of concrete. This material completely resists discoloration from ultraviolet light exposure, creating a glossy membrane that remains clear throughout its service life. The polymer coating may increase fiber-modified concrete's strength during its natural life span. Concrete is naturally subjected to internal and external cracks. A proper polymer coating may reduce the maintenance cost of concrete since it increases the concrete strength. Concrete cracks are one of the most important problems affecting the concrete's strength. Researchers have tried various methods to repair the concrete cracks. These methods are costly and time consuming. Therefore, many low-cost methods have been developed to sort this issue out. In this thesis, four different polymer-coating agents were used and compared to find their effectiveness. Comparison of 3-point bending strength of concrete beams was addressed. The aim of this research was to investigate if the polymer coating increases the strength of concrete, and to determine the optimum polymer coating amount for providing extra strength of fibermodified concrete for different concrete beam samples. Sixteen samples of concrete beams were compared by using flexural bending strength test equipment. All concrete samples were created separately with the same grading proportion. During the experiments, strength of concrete beams and modulus of elasticity for the concrete samples were determined using 3-point bending equipment. The level of strength increase for the different concrete beams was addressed. In this thesis, the researcher investigated various polymer coating ratios to find the optimum polymer coating ratio in fiber-modified concrete beam production that would increase the load carrying factor of fibers so as to increase the concrete beam's life span. Consequently, polymer modification increased strength and provided a better durability during its service life. v Contents

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