Will Water damage concrete?

As far as only concrete is concerned i.e. plain concrete, the effect of water seePAge is very little (depending upon the grade of concrete) whereas for RCC (reinforced cement concrete) water that seeps in corrodes the reinforcement and thus reduces the life of the structure. The defects that water seePAge induces in concrete are as follows:
a) induces capillary formation (due to the detiorating characteristics of water)
b) With this capillaries the concrete starts sPAlling out; i.e. the places where capillaries are formed, with even slight amount of stress that portion comes out and exposes the steel to the atmosphere
c) Concrete has a pH of about 12 -13. It also reduces the pH of the concrete when in salty water (or) when exposed to marshy areas.
d) Reduces the overall strength of concrete
e) Reduces durability
f) Reduces permeability to further water see Page
g) Results in ageing of structures

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