Behaviour of concrete repair patches under propped and unpropped conditions: critical review of current knowledge and practices

Document Status

Current

Supplement

Core Supplement

Series

FB

Abstract

Undertaken to examine the current state of knowledge with respect to the implementation of patch repair, particularly in relation to the need or not of propping during excavation of the concrete. It was discovered that most of the recommendations currently available have been based upon a small subset of structures: simply supported beams. They are not generally applicable to other structures, especially continuous beams and plate or shell structures. To date there seems to be no publication that presents the development of an approach, where the structural consequences and the possible of loss of durability are considered simultaneously. A risk-based approach offers a common denominator needed to implement a system approach for patch repair of concrete. A risk-based approach would also offer a means of evaluating different patch repair techniques and defining performance requirements of repair.

Author

Canisius, T. D. G. and Waleed, N.

History

Published by the BRE for the Foundation for the Built Environment now known as the BRE Trust. FBE Report 3.

ISBN

9781860815584

Subjects

• Cleaning/repair products
• Concrete testing
• Materials
• In situ concrete/cement
• Concrete repair compounds

Publisher History

BRE is a building science centre that generates new knowledge through research. This is used to create products, tools and standards that drive positive change across the built environment. BRE helps its government and private sector clients meet the significant environmental, social and economic challenges they face in delivering homes, buildings and communities. BRE is owned by the BRE Trust, a registered charity. The Trust uses the profits made by the BRE companies to fund research and education that advances knowledge of the built environment.