·A key difference between modern ready mix concrete and Roman concrete lies in the method the Romans mixed mortar and aggregates directly on site compacting it within a framework This type of construction often required scaffolding Sometimes free standing scaffolding was used while in other cases logs were inserted into wall sockets and
·Roman concrete in many cases has proven to be longer lasting than its modern equivalent which can deteriorate within decades Now scientists behind a new study say they have uncovered the
·Learning From The Past It is exciting to see the recent trends of concrete durability grounded on the history of ancient Romans particularly the iconic construction such as the Pantheon close to 2000 years showing remarkable structural integrity said Dr Ana Evangelista a Course Coordinator and Lecturer at the Engineering Institute of Technology EIT
·The ancient Roman recipe is very different than the modern one for concrete though Most modern concrete is a mix of Portland cement — limestone sandstone ash chalk iron and clay among
A curious note is how the cement aggregate ratios contrast so highly between ancient and modern concrete Ancient Roman concrete had a much higher cement paste composition of 65% while almost reversed modern concrete actually has 67% aggregate One possibility explaining this discrepancy can be seen in the figures above
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