A COMPARISON OF THE CHEMICAL AND ENGINEERING CHARACTERISTICS OF ANCIENT ROMAN HYDRAULIC CONCRETE WITH A MODERN REPRODUCTION OF VITRUVIAN HYDRAULIC CONCRETE* |
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| Authors: | E. GOTTI J. P. OLESON L. BOTTALICO C. BRANDON R. CUCITORE R. L. HOHLFELDER |
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| Affiliation: | 1. CTG Italcementi Group, Via G. Camozzi, 124, 24121 Bergamo, Italy;2. Greek and Roman Studies, Box 3045, University of Victoria, Victoria B.C. V8W 3P4 Canada;3. Pringle Bradon Architects, 10 Bonhill St., London, EC2A 4QJ, UK;4. Department of History, University of Colorado at Boulder, Boulder CO, 80309‐0234 USA |
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| Abstract: | The authors have completed structural and compositional analysis of Roman hydraulic concrete using large cores taken from a variety of maritime structures. In 2005 an 8 m3 block of hydraulic, pozzolanic concrete was built in the sea at Brindisi (Italy), applying the materials and procedures specified by the Roman architect Vitruvius. Cores were taken at 6 months and 12 months after construction and subjected to the same analyses as the first‐century bc cores from pilae associated with the Villa of the Domitii Ahenobarbi at Santa Liberata. Results show that a slight variation on the Vitruvian formula yields results closest to the Roman material, and that substantial curing requires 12 months. |
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| Keywords: | ROMAN HYDRAULIC CONCRETE POZZOLANA VITRUVIUS HARBOUR CONSTRUCTION PILA |
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