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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 therefore reduces the life of the structure. The defects that water seepage induces in concrete are as follows:
a) Makes 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 produced, 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 decreases the pH of the concrete when in salty water (or) when exposed to marshy areas.
d) Decreases the overall strength of concrete
Ask que1. Identify the risks involved in this project related to cost in the perspective of the customer and analyse the probability of acceptance of such a project by customers. 2
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Advantages of unbonded post-tensioning systems Similarly, some advantages of unbonded post-tensioning systems over bonded post-tensioning ones may be written as under : (a)
Good evening sir, solid block''s design mix calculated generally please explain and derive .
Movement accommodation factor is normally specified by manufacturers of joint sealants for designers to design dimension of joints. It is stated as the total movement that a joint
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Question For classic pile bents in marine piers, how can vertical loads related to horizontal capability of pile bents? Answer At first consider a pile bent with a top
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