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By G.P. Tilly

This record is the fruits of a wide-ranging survey into the functionality of either present eu concrete fix thoughts and inspection perform, and present learn initiatives.

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Extra info for Concrete Repairs: Performance in Service and Current Practice (EP 79)

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Please do not forget to indicate the type of construction (building, bridge, …). If the type of construction influences the repair method, please inform us on the differences. Eventually fill in two separate questionnaires. Also different types of damage may influence the choice of the repair method. Please inform us on differences. Generally numbers refer to the number of projects carried out by the company. Whenever necessary, add other used methods. In addition to the above information, provide an inventory of guides and standards you use now : Reference Title Field of application (national, some owners,…) Abstract Acceptance degree (general, selected number of companies) Eventually: same information for coming guides, standards + estimated date May we insist on trying to be as complete as possible?

This could result in failure to recognise that problems are invariably initiated by an underlying cause, usually poor design or inadequate water management, which permit deterioration processes to develop. The most common problems reported in the casehistories were related to corrosion of steel reinforcement. One of the underlying causes is often the provision of inadequate protection against chlorides through a low thickness of cover to the reinforcement, the presence of permeable concrete, cracking, or local leakage (commonly by failing expansion joints) that permits water and chlorides to diffuse into the concrete and initiate the process of corrosion.

Are suspected. Other tests may help with the development of an ongoing management strategy, or use of a particular remedial technique. ), sometimes as consultant (company-internal) and sometimes as contractor. Out of our total turnover the contracting part is largest and I have tried to answer the questions from the contractor divisions part of view. ● Technical advice concerning the concrete repair methods. Supervising the execution of the concrete repair ● Beside of rebar localization, also the depth, size and the function in the structure are sometimes registered Text 12/11/07 12:31 PM Page 42 42 Appendix IV Concrete Repair Research Questionnaire Concrete Repair Research Text 12/11/07 12:31 PM Page 43 Appendix IV 43 The purpose of this questionnaire is to obtain information about recent research activities in the field of concrete repair.

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