The Civil Engineer's Handbook: A Convenient Reference Book for Chainmen, Rodmen, Transitmen, Levelers, Surveyors, as Well as Draftsmen, Computers, and Railroad, Municipal, and Hydraulic EngineersInternational textbook Company, 1913 - 411 σελίδες |
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Σελίδα xiv
... stake equation , 197 -stake fractions , 198 stakes , 196 Solar observation , Determi- nation of latitude by , 151 observation , Determination of meridian by , 150 time , Mean , 141 Solids , Center of gravity of , 265 Sounding poles ...
... stake equation , 197 -stake fractions , 198 stakes , 196 Solar observation , Determi- nation of latitude by , 151 observation , Determination of meridian by , 150 time , Mean , 141 Solids , Center of gravity of , 265 Sounding poles ...
Σελίδα 45
... marking pin or a tack in the top of a stake , a few hundred feet away , on the opposite side of the instrument from B. If the line of sight is truly perpendicular to the transverse axis of the telescope , this point ANGULAR SURVEYING 45.
... marking pin or a tack in the top of a stake , a few hundred feet away , on the opposite side of the instrument from B. If the line of sight is truly perpendicular to the transverse axis of the telescope , this point ANGULAR SURVEYING 45.
Σελίδα 49
... stakes set at A and B , and let it be required to prolong the line to C. This 4 B C FIG . 7 can be done in two ways ... stake or otherwise . By Backsight . - Set the transit over the point at B and sight on a flag held at A. Plunge the ...
... stakes set at A and B , and let it be required to prolong the line to C. This 4 B C FIG . 7 can be done in two ways ... stake or otherwise . By Backsight . - Set the transit over the point at B and sight on a flag held at A. Plunge the ...
Σελίδα 144
... stake , and mark by a tack the exact point occupied by the instrument . About 5m . before the time of culmination , direct the telescope to the star , holding a lamp in front and a little toward one side of the h . LOCAL MEAN ...
... stake , and mark by a tack the exact point occupied by the instrument . About 5m . before the time of culmination , direct the telescope to the star , holding a lamp in front and a little toward one side of the h . LOCAL MEAN ...
Σελίδα 146
... stake in line with the line of sight ; this completes the operation . The line between the two stakes is a true north - and - south line , or true meridian . Time of Culmination of Polaris . - The accompanying table contains the times ...
... stake in line with the line of sight ; this completes the operation . The line between the two stakes is a true north - and - south line , or true meridian . Time of Culmination of Polaris . - The accompanying table contains the times ...
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The Civil Engineer's Handbook: A Convenient Reference Book for Chainmen ... International Correspondence Schools Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2018 |
Συχνά εμφανιζόμενοι όροι και φράσεις
accompanying table adjustment angles of repose axis azimuth backsight beam bearing bending brick bubble called cement center line center of gravity chain chord circle circular curve clamp coefficient column computed concrete correction cross-hairs cross-section cubic curvature degree of curve determined diameter discharge distance dumpy level elevation equal factor of safety feet formula friction frog given horizontal Inches instrument intersection latitude length line of sight load located longitude longitude range material maximum means measured meridian method moment of inertia mortar pavement perpendicular pipe plane plane table Portland cement position Pounds pressure prismoid radius rail railroad railroad switch ratio reading rivet sand sewer shear shearing stress shown in Fig side slope spiral square stadia stake station steel stone strength stress subgrade surface survey tangent telescope tion track transit triangle tube turnout velocity vernier vertical volume wall weight
Δημοφιλή αποσπάσματα
Σελίδα 4 - LIQUID MEASURE 4 gills (gi.) = 1 pint (pt.) 2 pints = 1 quart (qt.) 4 quarts = 1 gallon (gal.) 31| gallons = 1 barrel (bbl.) 2 barrels...
Σελίδα 2 - Cubic Measure 1728 cubic inches (cu. in.) =1 cubic foot (cu. ft.) 27 cubic feet = 1 cubic yard (cu. yd.) 128 cubic feet = 1 cord (cd...
Σελίδα 2 - SQUARE MEASURE 144 square inches (sq. in.) = 1 square foot (sq. ft.) 9 square feet — 1 square yard (sq. yd.) 30^ square yards = 1 square rod (sq. rd.) 160 square rods = 1 acre (A.) 640 acres = 1 square mile (sq.
Σελίδα 5 - Measures of Length. 10 millimeters (mm.) 1 centimeter (cm.) 10 centimeters 1 decimeter (dm.) 10 decimeters 1 meter (m.) 10 meters 1 dekameter (Dm.) 10 dekameters 1 hectometer (Hm.) 10 hectometers 1 kilometer (Km.) 10 kilometers 1 myriameter (Mm.) 1181.
Σελίδα 343 - The pressure of a liquid on any surface immersed in it is equal to the weight of a column of the liquid whose base is the surface pressed, and whose height is the perpendicular depth of the center of gravity of the surface below the surface of the liquid.
Σελίδα 6 - Measures of Weight 10 milligrams (mg) =1 centigram eg 10 centigrams =1 decigram dg 10 decigrams =1 gram g 10 grams =1 dekagram Dg...
Σελίδα 6 - MEASURES OF CAPACITY 10 milliliters (ml.) = 1 centiliter (cl.) 10 centiliters = 1 deciliter (dl.) 10 deciliters = 1 liter (1.) 10 liters = 1 dekaliter (Dl.) 10 dekaliters = 1 hektoliter (hi.) 10 hektoliters = 1 kiloliter (kl.) MEASURES OF WEIGHT 10 milligrams (mg.) = 1 centigram (eg.) 10 centigrams = 1 decigram (dg.) 10 decigrams = 1 gram (g.) 10 grams...
Σελίδα 405 - The pulverized carbonate of lime, granite, or quartz while cold shall be mixed with the hot sand in the required proportions, and then mixed with the asphaltic cement, at the required temperature and in the proper proportion, in a suitable apparatus, so as to effect a thoroughly homogeneous mixture.
Σελίδα 2 - 1 Square Chain . sq. ch. 10 Square Chains " 1 Acre A. 640 Acres " 1 Square Mile . . sq. mi. 36 Square Miles (6 miles square)
Σελίδα 3 - TROY WEIGHT. 24 grains (gr.) 1 pennyweight (pwt.) 20 pennyweights, 1 ounce (oz.) 12 ounces ... 1 pound (Ib.) Troy weight is used in weighing gold, silver, precious stones, etc. APOTHECARIES