To Study the Impact of Acid Attack and Sulphate Attack On Various Properties of MDP

The strength of concrete is determined by using the slump cone test and strength test of MDP-10 CONCRETE. The average compressive strength for MDP-0, MDP-5, MDP- 10, MDP-15 and MDP-20 concrete mixes were found to be 23.36, 24.59, 26.37, 25.19 AND 23.70 respectively for 7 days. Similarly, compressive strength obtained for 28 days was 34.81, 36.59, 38.37, 37.93 and 37.19 respectively indicating the maximum strength of MDP-10 concrete mix. The compressive &flexural strength also determine for M40 with mix sand mix basalt stone Equivalent down basalt dust stone, glass powder foundry sand using whose is the toughest material of stone and also available easily cheapest materials, samples were prepared by varying percentage 20, 30, 40, 50% of foundry sand as a part of the replacement of fine aggregates in mix design are prepared in different proportions. Cubes and beams are cast for determining compressive and flexural strengths respectively at 7 and 28 days but as same (BSD, GP+FS) 5+15, 10+20, 15+25 and 20+30% as respectively at 7 and 28 days. And compare to all condition Relationship between compressive strength and flexural strength is presented. The results clearly indicate the compressive strength of the 28 days material is higher as compared to 7 days material. We can say that age of concrete. The figure shows that the M20 with concrete with different dust compressive strength for the 7 & 28 days. The results clearly indicate the strength of the material is decreased with an increase in sand percentage in concrete. 40 % gives good result of concrete. The figure shows that the M20 material beams tested in the flexural test for the 7- & 28-days material. The flexural strength results clearly indicate the strength of the beam also 30% gives good result is higher than the other percentage mix of all waste dust material. To require more compaction required good workmanship and not bonding with each other.