A topographic survey of a proposed highway shows that the centerline crosses a small valley between Sta. 20 + 032 (Elevation 75 m) and Sta. 20 + 070 (Elevation 74.5 m). The bottom of the valley is at Sta. 20 + 047 ( Elevation 63.2 m). The grade line of the proposed highway passes the ground points at the edges of the valley (Sta 20 + 032 and Sta 20 + 070) and the section at any of these stations are three level sections with width of road base of 10 m and side slope of 2:1. The sides of the valley can be assumed to slope directly to the lowest point from the edges.
A topographic survey of a proposed highway shows that the centerline crosses a small valley between Sta. 20 + 032 (Elevation 75 m) and Sta. 20 + 070 (Elevation 74.5 m). The bottom of the valley is at Sta. 20 + 047 ( Elevation 63.2 m). The grade line of the proposed highway passes the ground points at the edges of the valley (Sta 20 + 032 and Sta 20 + 070) and the section at any of these stations are three level sections with width of road base of 10 m and side slope of 2:1. The sides of the valley can be assumed to slope directly to the lowest point from the edges.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
![A topographic survey of a proposed highway shows that the centerline crosses a small
valley between Sta. 20 + 032 (Elevation 75 m) and Sta. 20 + 070 (Elevation 74.5 m).
The bottom of the valley is at Sta. 20 + 047 ( Elevation 63.2 m). The grade line of the
proposed highway passes the ground points at the edges of the valley (Sta 20 + 032
and Sta 20 + 070) and the section at any of these stations are three level sections
with width of road base of 10 m and side slope of 2:1. The sides of the valley can be
assumed to slope directly to the lowest point from the edges.
1. What is he cross-sectional area at Station 20 + 047 in m??
( Select)
2. What is the volume of fill from Station 20 + 032 to Station 20 + 047 in m3?
( Select ]
3. What is the volume of fill from Station 20 + 047 to Station 20 + 070 in m
( Select ]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5d7aca38-780d-47a6-a151-3364582333e4%2F68d9caab-ffbe-4ede-a3db-5b9ca3a42d9c%2Fgtkd89_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A topographic survey of a proposed highway shows that the centerline crosses a small
valley between Sta. 20 + 032 (Elevation 75 m) and Sta. 20 + 070 (Elevation 74.5 m).
The bottom of the valley is at Sta. 20 + 047 ( Elevation 63.2 m). The grade line of the
proposed highway passes the ground points at the edges of the valley (Sta 20 + 032
and Sta 20 + 070) and the section at any of these stations are three level sections
with width of road base of 10 m and side slope of 2:1. The sides of the valley can be
assumed to slope directly to the lowest point from the edges.
1. What is he cross-sectional area at Station 20 + 047 in m??
( Select)
2. What is the volume of fill from Station 20 + 032 to Station 20 + 047 in m3?
( Select ]
3. What is the volume of fill from Station 20 + 047 to Station 20 + 070 in m
( Select ]
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