tag:blogger.com,1999:blog-8444827538432552212.post5350318810164595866..comments2010-09-18T06:05:09.541-07:00Comments on The Construction Civil: Ordinary Portland CementManihttp://www.blogger.com/profile/09481802739229478473noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-8444827538432552212.post-77712421787005891072010-09-18T06:05:09.541-07:002010-09-18T06:05:09.541-07:00Cement is classified into various type depending o...Cement is classified into various type depending on its compressive strenth.The compressive strenth is obtained by testing a cement mortar cube of size 7.06cm in the ratio 1:3.After 28 days of casting,when the 28th day compressive strenth of cement is more than 33N/milli meter square,its is called 33 grade cement.When the 28th day compressive strenth of cement is more than 43N/milli meter square is called 43 grade cement.When the 28th day of compressive strength is more than 53N/milli meter square it is called 53 grade cement.Safalahttp://www.yahoo.innoreply@blogger.comtag:blogger.com,1999:blog-8444827538432552212.post-85155391235232642342010-07-26T21:35:48.071-07:002010-07-26T21:35:48.071-07:00Kindly tell in brief how we will detremine strengh...Kindly tell in brief how we will detremine strenght of OPC as 33 grade, 43 grade and 53 Grade.Bishamber singhnoreply@blogger.com