• Shahid Hussain wani
• Rahul kumar
• Nasir ali

This research paper shows that the use of steel fibers, polypropylene fibers and rubber powder as a replacement for fine aggregate adds to strength up to fixed percentage, hence promotes their use in SSC. In this study, workability test was performed to check the change in behavior of workability of SSC concrete by addition of steel fibers and rubber powder and polypropylene. With the increasing percentage of fiber workability decreases because more fiber will need more water to lubricate it. The increasing fiber content decreases movement of fibers hence increases workability. Compressive strength test was done for 7 days and 28 days of curing to check the strength of sample cubes in compression and pictures the quality and performance of concrete with compressive strengths. Flexural Strength Test and Split Tensile Strength test were also performed that measures the strength of concrete indirectly at 28 days. Finally, impact test was done and Results of this study depicts that with addition of fibers in SSC rubberized concrete has so many beneficial effects. Apart from that some aspects of concrete are having negative impact. Therefore, it becomes important to decide the usage of these concrete keeping negative properties in limit by other procedures.

Steel fibers, Polypropylene fibers, Rubber powder, Fine aggregate, SSC, Workability, Compressive strengths, Flexural Strength Test, Split Tensile Strength test, impact test.

"EXPERIMENTAL INVESTIGATIONS ON MECHANICAL PROPERTIES OF SELF COMPACTING CONCRETE USING POLYPROPYLENE AND STEEL FIBERS WITH PULVERIZED SYNTHETIC RUBBER", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.7, Issue 9, page no.675-683, September 2020, Available :http://www.jetir.org/papers/JETIR2009390.pdf

"EXPERIMENTAL INVESTIGATIONS ON MECHANICAL PROPERTIES OF SELF COMPACTING CONCRETE USING POLYPROPYLENE AND STEEL FIBERS WITH PULVERIZED SYNTHETIC RUBBER", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.7, Issue 9, page no. pp675-683, September 2020, Available at : http://www.jetir.org/papers/JETIR2009390.pdf