Performance of Hybrid Rubberized Concrete Slabs Under Impact Loads
R.Sathya Narayanan , P.Subhashree, Dr.R.Thenmozhi
Abstract
The dumping of waste tyres is the major environmental problem the world faces today. It is estimated that only 4% of the dumped tyre is used in Civil Engineering Applications. At the same time there is an acute shortage of natural aggregates. The concrete produced by replacing natural aggregates by scrap rubber is called as Rubberized concrete, which will be the suitable solution for the above problems. Here an investigation is done to find the impact load behaviour of Hybrid Rubberized concrete slabs. In this project three concrete grades namely M25, M30, and M35 were considered for investigation. Rubberized concrete slabs of two categories for a size of 300 mm x 300 mm with 50mm thickness were cast along with normal concrete slabs .Then these specimens were subjected to Drop Hammer test to find its performance against the impact loads. The number of blows required for the first crack and complete failure of the slabs were found out from the impact test and the failure characteristics of the specimens were studied
