Answered: A temporary bridge is constructed to…

A temporary bridge is constructed to cross a valley. It is designed to withstand the 30 years flood calculate the failure of bridge due to this flood in exactly second years.

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter16: Highway Drainage

Section: Chapter Questions

Problem 5P

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Concept explainers

Concepts of Flood Control

Flooding is a temporary overflow of water that submerges or covers the the usually dry land. It can also be defined as the overflow of the excess amount of water that covers a huge area of land which is normally dry.

Question

A temporary bridge is constructed to cross
a valley. It is designed to withstand the 30
years flood calculate the failure of bridge
due to this flood in exactly second years.

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It is proposed to design a causeway along a village road. The return period for the annual maximum flood of a given magnitude was found to be 5 years. The probability that this flood magnitude will be exceeded at least once during next 2 years is:
hydrology engineering
Correct answer only
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Last time incorrect solution given,so correctly solve questions
Give me right solution with clear calculations.
Design magnitudes of floods are needed for the design of spillways, reservoirs, bridge openings, drainage of cities and air ports, and construction of flood walls and levees (flood banks). The maximum flood that any structure can safely pass is called the ‘design flood’. The damages due to the devastating floods can be minimized by the following flood control measures, singly or in combination. Comment on how to use a reservoir to control floods ? state two possible examples