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In: Civil Engineering

A rehabilitationwork will be carried out to retrofitseveral columns of a reinforced concrete multi- storey car...

A rehabilitationwork will be carried out to retrofitseveral columns of a reinforced concrete multi-
storey car park which have exhibited extensive cracking and spalling due to carbonation induced
corrosion. Being in Malaysia, the surrounding temperature is expected to be stable throughout
the year. In order to ensure that loads are distributed equally throughout the area of the affected
columns, the repair area should carry part of the imposed load. Thus, in order to ensure effective
load sharing and durable repair work, the selected repair material should possess certain
important properties. Identify and discuss five (5) of those important properties with appropriate
justificationsfor each one.

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