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1. Given are the stations and elevations of a proposed symmetrical parabolic highway curve. ELEVATION (m) 93.60 POINT STATION 6+075 6+255 (PI) 6+435 90.00 96.48 Note: Lines AB and BC are the tangent lines of the propos ed highway curve. The curve will clear a boulder at Sta. 6+276, and the elevation of the tip of the boulder is 92.65m. Solve for the ff: a. length of the symmetrical curve b. stationing and elevation of PC 2. Suppose that during the construction of the symmetrical curve in problem #1, it was discovered that left side of the grade intersection falls on a rocky terrain. To avoid additional cost of excavation, the symmetrical curve is to be adjusted by adding a fill 0.4174m high on the curve at its lowest point If the location of the PT and the grades of the tangents remain the same, determine the ff: a. Length of the new vertical parabolic curve b. Stationing and elevation of the new PC c. Stationing and elevation of lowest point of the new curve

1. Given are the stations and elevations of a proposed symmetrical parabolic highway curve. ELEVATION (m) 93.60 POINT STATION 6+075 6+255 (PI) 6+435 90.00 96.48 Note: Lines AB and BC are the tangent lines of the propos ed highway curve. The curve will clear a boulder at Sta. 6+276, and the elevation of the tip of the boulder is 92.65m. Solve for the ff: a. length of the symmetrical curve b. stationing and elevation of PC 2. Suppose that during the construction of the symmetrical curve in problem #1, it was discovered that left side of the grade intersection falls on a rocky terrain. To avoid additional cost of excavation, the symmetrical curve is to be adjusted by adding a fill 0.4174m high on the curve at its lowest point If the location of the PT and the grades of the tangents remain the same, determine the ff: a. Length of the new vertical parabolic curve b. Stationing and elevation of the new PC c. Stationing and elevation of lowest point of the new curve

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1. Given are the stations and elevations of a proposed symmetrical parabolic highway curve. POINT ELEVATION (m) STATION A 6+075 6+255 (PI) 93.60 90.00 96.48 C 6+435 Note: Lines AB and BC are the tangent lines of the proposed highway curve. The curve will clear a boulder at Sta. 6+276, and the elevation of the tip of the boulder is 92.65m. Solve for the ff: a. length of the symmetrical curve b. stationing and elevation of PC 2. Suppose that during the construction of the symmetrical curve in problem #1, it was dscovered that left side of the grade intersection falls on a rocky terrain. To avoid additional cost of excavation, the symmetrical curve is to be adjusted by adding a fill 0.4174m high on the curve at its lowest point. If the location of the PT and the grades of the tangents remain the same, detemine the ff: a. Length of the new vertical parabolic curve b. Stationing and elevation of the new PC C. Stationing and elevation of lowest point of the new curve
Transcribed Image Text:1. Given are the stations and elevations of a proposed symmetrical parabolic highway curve. POINT ELEVATION (m) STATION A 6+075 6+255 (PI) 93.60 90.00 96.48 C 6+435 Note: Lines AB and BC are the tangent lines of the proposed highway curve. The curve will clear a boulder at Sta. 6+276, and the elevation of the tip of the boulder is 92.65m. Solve for the ff: a. length of the symmetrical curve b. stationing and elevation of PC 2. Suppose that during the construction of the symmetrical curve in problem #1, it was dscovered that left side of the grade intersection falls on a rocky terrain. To avoid additional cost of excavation, the symmetrical curve is to be adjusted by adding a fill 0.4174m high on the curve at its lowest point. If the location of the PT and the grades of the tangents remain the same, detemine the ff: a. Length of the new vertical parabolic curve b. Stationing and elevation of the new PC C. Stationing and elevation of lowest point of the new curve
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