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Explain the Underwater Problems and Material Defects?
The major bridge construction materials are steel and concrete. In the past, stone and brick masonry, with lime mortar as binding agent, have been used extensively for building bridges. Cast iron piles have been used as substructure in many bridges. These materials are prone to different types of failure and, therefore, require different inspection strategies. The major problem in steel bridges is corrosion. Concrete bridges are susceptible to spalling and scour.
Bridges built in masonry have the problem of deterioration of brick / stone elements accompanied with loss of mortar. Aquatic environment has significant effects on bridges in addition to those mentioned above. Heavy current is especially destructive. Floods cause damage from rapidly moving water as well as from the impact of large moving debris. The bridge substructure can also get damaged due to accidental man inflicted causes and earthquakes.
Which of the following stress-strain curves represents a soft and weak material? Solution: As depicted, stress is on the y-axis while the x-axis represents strain.Whe
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Will going from a 3-tap to 6-tap increase water pressure? Ans) No, the pressure will be the similar, you will get more volume only if your pumps can handle the GPM, to enhance p
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WHY RAFTING IS REQUIRED AND WHAT PRECAUTIONS SHOULD BE TAKEN DURING RAFTING? AND WHAT IS THE ALTERNATE OF RAFTING.?
curing of brick masonry
Example. With a surveyor compass the angles observed in traversing the lines AB, BC, CD, DE and EF are as. Compute the included angles and indicate them in a neat sketch.
Question What are the major functions of following features observed in a typical manhole ? Answer (i) Groove near benching, (ii) R.S.J. (iii) double seal manhole cove
Q. Diffrence between Single and double-cell box culvert? The usage of double-cell box culverts is preferred to single-cell box culverts for cross-sectional area larger than abo
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