The Use of Rice Husk Waste in Foam Concrete Production
2020
Oğuzhan Yavuz Bayraktar
It is stated that concrete, which is the basic building block of most of the buildings built today, is the most consumed the construction material in the world after water. cement is that is the main ingredient of concrete, has significant share because of the cost of concrete, the use of various additives as a cement substitutes is the subject of many studies. However, it should firstly be determined to what extent the additives used to affect the concrete properties. In this study, it was tried to determine to what at level the use of the ash of rice husk as a cement substitute changed some concrete properties. Within the scope of the study, the usability of the raw form of rice husk as aggregate in concrete was evaluated and thus an effective method in the disposal of rice husk, which is a agricultural waste, was tried to be determined. The study results show that the addition of both ash of rice husk and rice husk aggregate significantly alter almost all properties of concrete. These changes are at different levels for different characteristics. As a result of the study, it was determined that as the amount of foam increased, the flow diameter increased, while the addition of rice husk decreased the flow diameter. It was determined that the addition of rice husk decreases the depth of water penetration depending on time, the porosity of the samples with the high level of rice husk addition increases, and the compressive and flexural strength decreases.
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