Basics in Building Construction

Basics in Building Construction 4(2+2)

Lesson 12 and 13: Basic Building Construction Materials

Natural Cement

Natural cement are those cement which are manufactured from naturally occurring cement rocks which has compositions similar to the artificial mix of argillaceous and calcareous materials from which Portland cement is manufactured. However, the Natural cement rocks are burned at somewhat lower temperature than those used for production of Portland cement clinker. The properties of such cements depend upon the composition of natural cement rock.