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Q. Mechanism of plastic settlement in fresh concrete?
Within a few hours after placing of fresh concrete, plastic concrete can experience cracking due to occurrence of plastic settlement andplastic shrinkage. The cause of plastic settlement is related to bleeding of fresh concrete. Bleeding denotesto migration of water to the top of concrete and movement of solid particles to bottom of fresh concrete. Expulsion of water at the time of bleeding outcomes in the reduction of the volume of fresh concrete. This persuades a downward movement of wet concrete. If such kind of movement is hindered by the presence of obstacles such as steel reinforcement, cracks will be formed.
The moment of inertia calculates the opposition any kind of body will have against a certain momentum (along that similar axis) trying to rotate that body.
Q. Constriction of waterway at bridges? Constriction of waterway at bridges is effected by extending the approach banks to cover spill area or, in addition, part of active chan
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Landslides: Landslides are common in the Himalayan hill roads. The main causes contributing to landslides are: (a) Removal of lateral support at the bottom of a hill due t
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Define Construction damage - underwater inspection of bridge? Construction damage can result from improper procedures during the construction phase. Some examples are: - P
wet process
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Determine the Strain Compatibility method For estimating the ultimate strength of prestressed concrete members in flexure, 'Strain Compatibility method' may be used. For calcul
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