QQuestionCivil Engineering
QuestionCivil Engineering
What is a crowned road?
A. A road that has rain grooves
B. A road that is higher in the middle than on the sides
C. A road that has worn tire paths from heavy traffic
D. A road that includes a grated bridge deck
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Answer
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Step 1:I'll solve this problem by carefully analyzing the options and providing a clear explanation.
Step 2:: Understand the term "crowned road"
A crowned road refers to the road's cross-sectional profile or shape. The key characteristic is its elevation design.
Step 3:: Analyze the definition
A crowned road is specifically designed with a higher elevation in the center of the road, which then slopes downward towards the sides. This design serves a critical purpose in road engineering.
Step 4:: Evaluate the purpose of a crowned road
The primary purpose of a crowned road is to facilitate water drainage. By having the center of the road higher than its edges, rainwater and surface water can easily flow off the road surface, preventing water accumulation and potential hydroplaning.
Step 5:: Identify the correct answer
Based on the definition and characteristics described, the correct answer is: B. A road that is higher in the middle than on the sides
Final Answer
A crowned road is a road with a cross-sectional profile that is elevated in the center and slopes downward towards the sides, primarily to ensure effective water drainage and road safety.
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