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HUGHES, David C and STARINIERI, Vincenzo (2014). Formulating mortars for use in restoration practice. ZKG International, 2, 48-53.
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Abstract
The principal uses of Roman cement mortars in the field of restoration are for the production of cast decorative elements and renders. The formulation of these mortars differs in terms of mix proportions, workability and workable life. A typical specification for a “cast” mortar is 1:0.5 to 1:1 by volume, flow of 19.5 cm and a workable life in the range 15 – 30 minutes; a render mortar is typically 1:1.5 to 1:2.5 by volume, flow of 15.5 cm and a workable life of between 1 – 2 hours. Whilst the former workable life can be obtained by the use of chemical retarders the prolonged life required for renders is generally not possible without the excessive use of chemicals which impairs the performance of the hardened mortar and an alternative pre-hydration technique has been developed.
| Item Type: | Article |
|---|---|
| Research Institute, Centre or Group - Does NOT include content added after October 2018: | Materials and Engineering Research Institute > Structural Materials and Integrity Research Centre > Centre for Infrastructure Management |
| Departments - Does NOT include content added after October 2018: | Faculty of Science, Technology and Arts > Department of Engineering and Mathematics |
| Page Range: | 48-53 |
| Depositing User: | Vincenzo Starinieri |
| Date Deposited: | 10 Jan 2017 11:43 |
| Last Modified: | 18 Mar 2021 15:48 |
| URI: | https://shura.shu.ac.uk/id/eprint/14590 |
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