Cyclopedia of Civil Engineering: A General Reference Work on Surveying, Highway Construction, Railroad Engineering, Earthwork, Steel Construction, Specifications, Contracts, Bridge Engineering, Masonry and Reinforced Concrete, Municipal Engineering, Hydraulic Engineering, River and Harbor Improvement, Irrigation Engineering, Cost Analysis, Etc, Volume 1American technical Society, 1920 |
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Cyclopedia of Civil Engineering: A General Reference Work on Surveying ... American Technical Society No preview available - 2015 |
Cyclopedia of Civil Engineering: A General Reference Work on Surveying ... American Technical Society No preview available - 2017 |
Cyclopedia of Civil Engineering: A General Reference Work on Surveying ... American Technical Society No preview available - 2016 |
Common terms and phrases
adjustment alidade asphalt azimuth binder bituminous blocks brick broken stone bubble tube cement cent chains Civil Engineers clamp clay coal tar compass computed concrete construction contour corners correction cost course cross drains cross hairs culvert curb determined distance double longitude drainage drains dumpy level earth elevation embankment equal error excavation Fahrenheit feet foot foundation grade gravel grout gutters horizontal axis horses inches inclined instrument intersection joints laid latitude difference line of sight load located longitude differences material measured meridian method needle parallel pavement paving perpendicular placed Plane Surveying plate plumb bob Polaris pounds protractor resistance road rod reading roller rolling sand scale screws sections shown in Fig side slope soil solar square stadia stake station street Table tape target telescope telescopic sight thickness traffic transit transit telescope traverse triangle usually vehicles vernier vertical angle vertical axis weight wheels width
Popular passages
Page 184 - The Seven Ranges". The sections were numbered 'from 1 to 36, as shown in Fig. 106(a). A subsequent act of Congress, approved May 18, 1796, provided for the appointment of a surveyor general and directed the survey of the lands northwest of the Ohio River and above the mouth of the Kentucky River.
Page 5 - FRANK E. KIDDER, CE, Ph. D. Consulting Architect and Structural Engineer; Fellow of the American Institute of Architects. Author of "Architect's and Builder's Pocket-Book," "Building Construction and Superintendence : Part I, Masons' Work ; Part II, Carpenters' Work ; Part III, Trussed Roofs and Roof Trusses.
Page 184 - ... be subdivided into sections, containing, as nearly as may be, six hundred and forty acres each, by running through the same, each way, parallel lines, at the end of every two miles ; and by marking a corner, on each of the said lines, at the end of every mile...
Page 259 - Fig. 1, may be thus calculated. Let P represent the power sought, or that which would just balance the weight on the point of the stone, and the slightest increase of which would draw it over. This power acts in the direction CP with the leverage of BC or D E.
Page 331 - ... important requisite of hardness, and are almost impassable. . For the construction of new earth roads, all the principles previously discussed relating to alignment, grades, drainage, width, etc., should be carefully followed. The crown or transverse contour should be greater than in stone roads. Twelve inches at the center in 25 feet will be sufficient. Drainage is especially important, because the material of the road is more susceptible to the action of water, and more easily destroyed by...
Page 385 - Blocks. The blocks should be well squared, and must not taper in any direction; sides and ends should be free from irregular projections. Blocks that taper from the surface downwards (wedgeshaped) should not be permitted in the work; but if any are allowed, they should be set with the widest side down.
Page 312 - It is not usual to use any artificial means to protect the surface of the side slopes from the action of the weather ; but it is a precaution which, in the end, will save much labor and expense in keeping the roadway in good order.
Page 302 - X 2,323,200 = cubic feet per square mile. (2) The amount of water to be drained off will depend upon the permeability of the surface of the ground, which will vary greatly with the kind of soil, the degree of saturation, the condition of the cultivation, the amount of vegetation, etc. (3) The rapidity with which the water will reach the...
Page 279 - That of the two towns situated on the same side of the main valley, there are two methods which may be pursued in forming a communication between them. A road following the direct line between them, shown by the thick dotted line AB...
Page 113 - Horizontal Axis. This adjustment is to make the horizontal axis of the telescope perpendicular to the vertical axis of the instrument and is often called the adjustment of the standards, the object given being to make the standards of equal length.