1. INTERPOLATING CONTOURS GRAPHICALLY. The accompanyingtabulation gives elevations of points over the area of a 30m by 40m citylot. The elevations were obtained by the Checkerboard Method using 10-msquares. Point A-1 is located at the northwest corner of the lot and pointF-4 at the southeast corner. All elevations are in meters.POINT1234A878.8882.5883.5883.6B88 3.2 885.9893.7887.2C888.6 891.8889.3882.8882.5 890.4 892.6889.6E883.2 888.5 892.8 893.5Requirements:a) Plot the contours using a horizontal scale of 6cm=10m andcontour interval of 1 meter.b) Arrange the plotting paper so that the longer side is vertical (useB" by 11" bond paper).c) All corner designations and corresponding elevations must beindicated, including all vertical and horizontal lines.d) Show the direction of north and indicate the scale used.e) Indicate the elevations of the following index contours: 880, 885,890, and 895m. The thickness of the index contours must be drawn abouttwice the thickness of intermediate contours.f) Use a pencil for the initial plot and ink the final plot using atechnical pen.

Given, Horizontal scale 6 cm =10 m Index contour=880,885,890 and 895

1. INTERPOLATING CONTOURS GRAPHICALLY. The accompanying tabulation gives elevations of points over the area of a 30m by 40m city lot. The elevations were obtained by the Checkerboard Method using 10-m squares. Point A-1 is located at the northwest corner of the lot and point E-4 at the southeast corner. All elevations are in meters. POINT 1 2 3 4 A 878.8 882.5 883.5 883.6 B 88 3.2 885.9 893.7 887.2 с 882.8 888.6 891.8 889.3 D 882.5 890.4 892.6 889.5 883.2 888.5 892.8 893.5 E

1. INTERPOLATING CONTOURS GRAPHICALLY. The accompanying tabulation gives elevations of points over the area of a 30m by 40m city lot. The elevations were obtained by the Checkerboard Method using 10-m squares. Point A-1 is located at the northwest corner of the lot and point E-4 at the southeast corner. All elevations are in meters. POINT 1 2 3 4 A 878.8 882.5 883.5 883.6 B 88 3.2 885.9 893.7 887.2 с 882.8 888.6 891.8 889.3 D 882.5 890.4 892.6 889.5 883.2 888.5 892.8 893.5 E

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Q.4. Compute by DMDs the area in hectares within a closed-polygon traverse ABCDEFA by placing the X and Y axes through the most southerly and most westerly stations, respectively. Departures and latitudes (in meters) follow. AB: E dep. 30, N lat. = 40; BC: E dep. = 70, N lat. = 10; CD = E dep. = 30, S lat = 50; DE: W dep = 60, S lat. = 40; EF: W dep = 90, S lat = 30; FA: E dep. = 20, N lat = 70.
LINE BEARING LENGTH LAT DEP DMD AREA AB N28 19'E 560.27 +493.12 +256.66 1098.18 +541,535 BC N56°23'W 484.18 +267.97 -403.29 960.55 +257,399 CD S08°50'W 375.42 -371.04 -57.72 499.54 -185,349 DE S45°10'W 311.44 -219.64 -220.91 220.91 -48,521 EA S67°45'E 449.83 -170.41 +416.26 416.26 -70,935 AREA = (494,129)/2=247,065 SQ. FT 5.672 ACRES C D E A NOT TO SCALE TUDLNI VERSIUN
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Draw the profile for the point below: Distance (m) 0 22 30 45 Elevation (m) 355.7 355.4 354.2 353 60 78 85 91 125 150 352.6 352.9 353.4 353.7 354.7 355.2
Compute by DMDs the area in hectares within a closed-polygon traverse ABCDEFA by placing the X and Y axes through the most southerly and most westerly stations, respectively. Departures and latitudes (in meters) follow.AB: E dep. = 30, N lat. = 40; BC: E dep. = 70, N lat. = 10; CD: E dep. = 30, S lat. = 50; DE: W dep. = 60, S lat. = 40; EF: W dep. = 90, S lat. = 30; FA: E dep. = 20, N lat. = 70
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