• Shashank C. Raut
• Anand A. Gupta
• Ankit D. Chavhan
• Prof. Vikas M. Thakur

The basis of this paper is to analyse comparative study of different testing site of concrete mix design of M20 and M25 grades. Different structures are being considered for site the parameters relating to designed testing methods. Design mix is process of amalgamating different composition of material so as to adhere the final composed material with required compressive strength, practicability, and resilience. The appropriate mixture of cement, sand aggregate and water are fabricated to achieve desired design mix. The test methods are internationally adopted accordingly the countries requirement and their properly mix design of concrete. The design method considered for testing was IS-CODE method for defining the structure design for concrete. The study shows about testing of concrete samplein compressive testing machine are more superior to other methods. Which were used for compressive strength of concrete. This analysis is witnessed for overall strength and behaviour of testing specimens which were used for testing, and this is relevant to the grades which was considered i.e. M20. The mean strength analysis for ACI method in case of M20 was failed to attain the desired resultwhich was marked for design parameter. The specimens i.e. cubes was moulded for both grades M20accordingly there strength parameters. The curing was taken up at 28 dayprocess and then water should be change in every 7 days follow-up which is standard norm by methods. The comprehensive analysis of curing periods were listed out and thuscomparison of strengths for all moulds were evaluated for better insight into the strength relation with curing period. Weare using IS-CODE method for cube casting. The strength is mainly affected by water cement ratio, rotation of tilting mixer, the properly gradation of aggregate etc.

"QUALITY OF CONCRETE IN NAGPUR REGION", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.5, Issue 5, page no.634-648, May-2018, Available :http://www.jetir.org/papers/JETIR18IC115.pdf

"QUALITY OF CONCRETE IN NAGPUR REGION", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.5, Issue 5, page no. pp634-648, May-2018, Available at : http://www.jetir.org/papers/JETIR18IC115.pdf