American Highway Engineers' HandbookJohn Wiley & Sons, Incorporated, 1919 - 1658 pages |
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Common terms and phrases
50-foot Arc angle Arc Skew 100 axis beds bituminous broken stone building cement census center line Chord for 50-foot clay concrete construction contour cost cross-section curb curve Def Arc Skew depth diabase Diff Arc Feet distance ditches drag drain drumlins elevation engineer excavation Ext Radius Feet 25 Ft Feet Def Arc Feet Radius Diff feldspar foundation gabbro gneisses grade gravel haul highway horizontal hornblende igneous rocks intersection length limestone load macadam material measured method mile motor obtained olivine orthoclase pavement plagioclase plotted pyroxenes quarry Radius Diff Arc road crust roadway rock sand sand-clay sandstone scale schists screws shale side silica Skew 100 Feet slope soil stakes station street subgrade survey Table tangent telescope thoroly thru topsoil traction engines traffic transit line triangle usually valley vehicles vernier vertical wearing course weight width
Popular passages
Page 66 - The moist closet may consist of a soapstone, slate, or concrete box, or a wooden box lined with metal. If a wooden box is used, the interior should be covered with felt or broad wicking kept wet. The bottom of the moist closet should be covered with water. The interior of the closet should be provided with non-absorbent shelves on which to place the test pieces, the shelves being so arranged that they may be withdrawn readily.
Page 411 - In a business district no building or premises shall be used, and no building shall be erected, which is arranged, intended or designed to be used...
Page 410 - A RESOLUTION regulating and limiting the height and bulk of buildings hereafter erected and regulating and determining the area of yards, courts and other open spaces, and regulating and restricting the location of trades and industries and the location of buildings designed for specified uses and establishing the boundaries of districts for the said purposes.
Page 64 - ... and the excess paste at the smaller end sliced off at the top of the ring by a single oblique stroke of a trowel held at a slight angle with the top of the ring.
Page 60 - The cement shall be stored in such a manner as to permit easy access for proper inspection and identification of each shipment, and in a suitable weather-tight building which will protect the cement from dampness.
Page 63 - The dry materials shall be weighed, placed upon a non-absorbent surface, thoroughly mixed dry if sand is used, and a crater formed in the center, into which the proper percentage of clean water shall be poured; the material on the outer edge shall be turned into the crater by the aid of a trowel. After an...
Page 64 - In making the determination, 500 g. of cement with a measured quantity of water, shall be kneaded into a paste, as described in Section 37, and quickly formed into a ball with the hands, completing the operation by tossing it six times from one hand to the other, maintained about 6 in.
Page 13 - The consistency of a bituminous material expressed as the distance that a standard needle vertically penetrates a sample of the material under known conditions of loading, time and temperature. Where the conditions of test are not specifically mentioned, the load, time and temperature are understood to be 100 g., 5 seconds, and 25° C. (77° F.), respectively, and the units of penetration to indicate hundredths of a centimeter.
Page 522 - The quantity of surface treatment to be paid for under this item shall be the number of square yards, measured horizontally, satisfactorily completed in accordance with the specifications. The price stipulated in this item shall include the furnishing...
Page 540 - ... read the specific gravity from the graduation on the burette, and the temperature of the oil in the flask, noting the difference between the temperature of the oil in the bulb before the determination and...