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|Title||Investigating the Use of Recycled Plastics as Shrinkage Reinforcement in Non-Structural Concrete Slabs|
Solid waste management is one of the major environmental topics in our modern life. The purpose of this study is to investigate the potential of using recycled plastics waste as reinforcement in non-structural concrete slabs. Two types of recycled plastics are used: 1) the Recycled High Density Polyethylene (RHDPE) in random distribution of shredded pieces in the percentages of 1%, 2%, and 3%, by slab volume and 2) the Recycled Low Density Polyethylene (RLDPE), in cylindrical shape of 5mm diameter. Mesh reinforcement is made out of these fibers with percentages of 0.1%, 0.2%, and 0.3%, per cross-sectional area. Furthermore, it is tested for drying shrinkage and compared with slab reinforcement based on the ACI318-08 code limits for shrinkage reinforcement. In addition, the changes in the mechanical properties of the concrete, such as slump, compressive strength and split tensile strengths are investigated. The results show that adding recycled plastics to the concrete mixes can limit the drying shrinkage, even better than the steel reinforcement, when used in certain percentages. On the other hand, it has a negative impact on tensile and compressive strengths. Therefore, it can be stated that recycled plastics can be efficiently used in non-structural concrete. Thus, taking advantage of the large amounts of waste plastics can solve their environmental problem and reduce the non-structural concrete cost.
|Publisher||الجامعة الإسلامية - غزة|
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