Problem 1. Arrange the following description in the form of profile level notes complete to elevation. A level is set up and a readir.g of 2.995 m is taken on a bench mark the elevation of which is 12.135 m. At the beginning of the line to be profiled, the rod reading is 2.625 m, 30 m from the beginning, it is 1.617 m, at 60 m, it is 0.702 m, at 66 m and 81 m, the rod readings are 1.281 m and 0.762 m, respectively. On a rock that is not on the line, the rod reading is 0.555 m. The level is then removed ahead, set up and a rod reading of 1.952 m is observed, the rod still being held on the rock. The readings along the profile are then resumed: 90 m from the beginning of the iine, the rod reading is 1.159 m, 120 m from the beginning of the line rod reading is 1.434 m, and finally 150 m from the beginning of the line the rod reading is 2.196 m. a) Compute the elevation at the point 60 m from the beginning of the line. b) Compute the elevation of the turning point. c) Compute the difference in elevation at a point 150m and 81 m from the beginning of the line.
Problem 1. Arrange the following description in the form of profile level notes complete to elevation. A level is set up and a readir.g of 2.995 m is taken on a bench mark the elevation of which is 12.135 m. At the beginning of the line to be profiled, the rod reading is 2.625 m, 30 m from the beginning, it is 1.617 m, at 60 m, it is 0.702 m, at 66 m and 81 m, the rod readings are 1.281 m and 0.762 m, respectively. On a rock that is not on the line, the rod reading is 0.555 m. The level is then removed ahead, set up and a rod reading of 1.952 m is observed, the rod still being held on the rock. The readings along the profile are then resumed: 90 m from the beginning of the iine, the rod reading is 1.159 m, 120 m from the beginning of the line rod reading is 1.434 m, and finally 150 m from the beginning of the line the rod reading is 2.196 m. a) Compute the elevation at the point 60 m from the beginning of the line. b) Compute the elevation of the turning point. c) Compute the difference in elevation at a point 150m and 81 m from the beginning of the line.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Problem 1.
Arrange the following description in the form of profile level notes complete to elevation. A level
is set up and a readir.g of 2.995 m is taken on a bench mark the elevation of which is 12.135 m. At
the beginning of the line to be profiled, the rod reading is 2.625 m, 30 m from the beginning, it is
1.617 m, at 60 m, it is 0.702 m, at 66 m and 81 m, the rod readings are 1.281 m and 0.762 m,
respectively. On a rock that is not on the line, the rod reading is 0.555 m. The level is then removed
ahead, set up and a rod reading of 1.952 m is observed, the rod still being held on the rock. The
readings along the profile are then resumed: 90 m from the beginning of the iine, the rod reading
is 1.159 m, 120 m from the beginning of the line rod reading is 1.434 m, and finally 150 m from the
beginning of the line the rod reading is 2.196 m.
a) Compute the elevation at the point 60m from the beginning of the line.
b) Compute the elevation of the turning point.
c) Compute the difference in elevation at a point 150m and 81 m from the beginning of the line.
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