A descending grade of 4.2% intersects an ascending grade of 3% at Station 12+325 at elevation 17.30 m. These two grades are to be connected by a 260-m vertical parabolic curve. A reinforced concrete culvert pipe with overall diameter of 105 cm is to be constructed with its top 30 cm below the subgrade. What will be the invert elevation? O 18.863 m O 17.634 m 18.225 m 19.214 m
A descending grade of 4.2% intersects an ascending grade of 3% at Station 12+325 at elevation 17.30 m. These two grades are to be connected by a 260-m vertical parabolic curve. A reinforced concrete culvert pipe with overall diameter of 105 cm is to be constructed with its top 30 cm below the subgrade. What will be the invert elevation? O 18.863 m O 17.634 m 18.225 m 19.214 m
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![A descending grade of 4.2% intersects an ascending grade of 3% at Station 12+325 at elevation
17.30 m. These two grades are to be connected by a 260-m vertical parabolic curve. A reinforced
concrete culvert pipe with overall diameter of 105 cm is to be constructed with its top 30 cm below
the subgrade. What will be the invert elevation?
O 18.863 m
O 17.634 m
18.225 m
19.214 m](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd4525ce0-de03-42cb-805b-334c945befc5%2F89576a47-16d6-47af-b4b3-02d075c2fafa%2Fsn788l3_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A descending grade of 4.2% intersects an ascending grade of 3% at Station 12+325 at elevation
17.30 m. These two grades are to be connected by a 260-m vertical parabolic curve. A reinforced
concrete culvert pipe with overall diameter of 105 cm is to be constructed with its top 30 cm below
the subgrade. What will be the invert elevation?
O 18.863 m
O 17.634 m
18.225 m
19.214 m
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