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 iii
... called to the tables , which are very numerous . Many of these can be found else- where only in special works , and many are orig- inal , being found only in this book . Of the latter kind , are the Hydraulic Tables , giving the ...
... called to the tables , which are very numerous . Many of these can be found else- where only in special works , and many are orig- inal , being found only in this book . Of the latter kind , are the Hydraulic Tables , giving the ...
Σελίδα 26
... called Gunter's chain , from the name of its inventor , is the same as the engineers ' chain in every respect , except that its length is 66 ft . , or 4 rd . , instead of 100 ft . Like the engineers ' chain , it is divided into 100 ...
... called Gunter's chain , from the name of its inventor , is the same as the engineers ' chain in every respect , except that its length is 66 ft . , or 4 rd . , instead of 100 ft . Like the engineers ' chain , it is divided into 100 ...
Σελίδα 35
... called the magnetic bearing of the line . The angle between two lines can be determined by either subtracting or adding their bear- ings , as the case may require . A rough sketch , showing the relative positions of the two lines with ...
... called the magnetic bearing of the line . The angle between two lines can be determined by either subtracting or adding their bear- ings , as the case may require . A rough sketch , showing the relative positions of the two lines with ...
Σελίδα 36
... called the dip of the needle . Local Attraction . - The compass needle may be deflected from its natural direction by the attraction of any mag- netic substance near it , such as iron ore , the rails of a railway , etc. This disturbing ...
... called the dip of the needle . Local Attraction . - The compass needle may be deflected from its natural direction by the attraction of any mag- netic substance near it , such as iron ore , the rails of a railway , etc. This disturbing ...
Σελίδα 38
... called the declination of the needle . When this declination is known , the true bearing of a line , that is , the angle that it makes with the true meridian , can be determined from its magnetic bearing by adding or subtracting the ...
... called the declination of the needle . When this declination is known , the true bearing of a line , that is , the angle that it makes with the true meridian , can be determined from its magnetic bearing by adding or subtracting the ...
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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