Civil Engineering Reference
In-Depth Information
of which is not mandatory, but it may assist with the interpretation of the
normative text.
11.4 The options, principles and methods of repair
The inter-relation between EN 1504-9 and other parts of the EN 1504 series
is set out in Clause 6, which contains a large table giving various repair
principles and corresponding methods to achieve the repair principles. Table
11.5 is reproduced from Clause 6 of EN 1504-9 and is split into two main
groupings, namely:
•
Table 11.5a:
repair and protection to damaged concrete;
•
Table 11.5b:
repair and protection to concrete damaged by corrosion of
embedded reinforcing steel.
Table 11.5 lists 11 repair principles and 43 repair methods offering
different ways of achieving a given principle. A requirement placed on
TC104/SC8, through the Construction Products Directive, was to ensure
the list of methods reflects all products that are currently offered for sale
by manufacturers in Europe. No existing product that was on the market
should be excluded by the new EN 1504 Standard. Some of the methods
(e.g. Method 7.4) are less familiar than others.
The third column in Table 11.5 generally lists the relevant Part of EN
1504 where the minimum performance requirements and other properties
