1.3—Repair methodology
A basic understanding of the causes of concrete deficiencies
is essential to perform meaningful evaluations and
successful repairs. If the cause of a deficiency is understood,
it is much more likely that an appropriate repair system will be
selected and, consequently, that the repair will be successful
and the maximum life of the repair will be obtained.
Symptoms or observations of a deficiency should be
differentiated from the actual cause of the deficiency, and it
is imperative that causes and not symptoms be dealt with
wherever possible or practical. For example, cracking can be
a symptom of distress that may have a variety of causes such
as drying shrinkage, thermal cycling, accidental overloading,
corrosion of embedded metal, or inadequate design
or construction. Only after the cause or causes of deficiency
are determined can rational decisions be made regarding the
selection of a proper repair system and the implementation
of the repair process (Fig. 1.1).
1.3—Repair methodologyA basic understanding of the causes of concrete deficienciesis essential to perform meaningful evaluations andsuccessful repairs. If the cause of a deficiency is understood,it is much more likely that an appropriate repair system will beselected and, consequently, that the repair will be successfuland the maximum life of the repair will be obtained.Symptoms or observations of a deficiency should bedifferentiated from the actual cause of the deficiency, and itis imperative that causes and not symptoms be dealt withwherever possible or practical. For example, cracking can bea symptom of distress that may have a variety of causes suchas drying shrinkage, thermal cycling, accidental overloading,corrosion of embedded metal, or inadequate designor construction. Only after the cause or causes of deficiencyare determined can rational decisions be made regarding theselection of a proper repair system and the implementationof the repair process (Fig. 1.1).
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