CEMENT LECTURE PRESENTATION
* Lime and clay have been used as cementing material on constructions through many centuries.
* Romans are commonly given the credit for the development of hydraulic cement, the most significant incorporation of the Roman’s was the use of pozzolana-lime cement by mixing volcanic ash from the Mt. Vesuvius with lime.
* In 1824 Joseph Aspdin from England invented the Portland cement
Portland cement.pptx (Size: 2.36 MB / Downloads: 64)