CE 310 Lecture and Lab Notes Week 1
CE 310 Lecture and Lab Notes Week 1 CE 310
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This 2 page Class Notes was uploaded by Nicole carkin on Tuesday August 30, 2016. The Class Notes belongs to CE 310 at Pennsylvania State University taught by Brian Naberezny in Fall 2016. Since its upload, it has received 9 views. For similar materials see Surveying in Civil Engineering at Pennsylvania State University.
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Date Created: 08/30/16
CE 310: Surveying Week 1 Lecture and Lab notes **No relevant Lecture notes; all introduction Introduction to Maps Legends Used to identify features Have lines, symbols, and colors Maps Visual expression of portion of earth surface Common to depict natural features like water and vegetation, relief features like elevations, and cultural like stuff people made on the earth Planimetric: depict natural and cultural, xy plane Topographic: depict relief, may include natural or cultural Relief is depicted with contour lines or computer software o Color, hach, shading, and tint => nonquantitative Scale o Ration, equivalence, or graphic o Engineers scale is graduated by 10s to 60 o Used to measure with scale on maps o Express accuracy Large ( very zoomed in) has a smaller length per inch, at most 1”=200’ Medium scale 1” = 200’ to 1”=1000’ Small scale (very zoomed out) has a large length per in, at least 1”=1000’ o Should have two scales Typically a graphic and equivalency scale Helps when copied or stretched o Consider equipment, procedures, and delivery o Standard sheet sizes Can be portrait or landscape Map Elements Scale North Arrow: could be one of 3 Overview/location Legend Title Notes Contours Depict relief Connect points of the same elevation Have intervals between lines, particular to each map Every 5 is an index contour aka labeled Sometimes spot elevations are marked o Helpful spots, unique spots Must close on them selves, rubberbands, no straight lines Contours are perpendicular to the direction of the max slope Distance between represents steepness o Close is very steep, wide is gentle, evan is uniform, smoth is rolling, irregular is rugged Never meet or cross or branch off o Except maybe at a cliff, cave, etc Contours point upstream forming Vs For Us when crossing ridge crest Lab exercise reinforced these ideas
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