The Art of Roadmaking, Treating of the Various Problems and Operations in the Construction and Maintenance of Roads, Streets, and Pavements, Written in Non-technical Language ... with an Extensive Bibliography and a Descriptive List of Reliable Current Books and Pamphlets on These SubjectsThe author, 1910 - 544 pages |
Contents
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Other editions - View all
The Art of Roadmaking, Treating of the Various Problems and Operations in ... Harwood Frost No preview available - 2015 |
The Art of Roadmaking, Treating of the Various Problems and Operations in ... Harwood Frost No preview available - 2015 |
Common terms and phrases
aid roads amount asphalt asphalt pavement asphaltum binder binder course bitumen blocks brick broken stone built cent clay coal-tar compacted concrete condition construction contract contractor cost county board county highway creosoted cross slope cubic curb depth drag drainage drains durable dust earth road embankment engineer excavation expansion joints expense feet filled foundation grade granite gravel guaranty gutter hard highway commissioner horses inches John Loudon Macadam joints laid layer less limestone longleaf pine macadam road maintenance Massachusetts Highway Commission material ment methods miles mixed mortar necessary paving pipe Portland cement practically prevent proper removed repair road surface roadbed Roads and Pavements roadway rock rolled roller ruts sand screenings second course sidewalks slope smooth specifications spread sprinkled stone roads Street Cleaning subgrade Telford tion town traffic trees vehicles voids wagons walk wearing surface weather wheels width wood
Popular passages
Page 160 - All the irregularities of the upper part of the said pavement are to be broken off by the hammer, and all the interstices to be filled with stone chips firmly wedged or packed by hand with a light hammer, so that when the whole pavement is finished there shall be a convexity of four inches in the breadth of fifteen feet from the centre.
Page 482 - ... by the party of the second part, and the third by the two arbitrators thus chosen.
Page 15 - Upon a well-made and compact pavement of hewn stones, the traction at a walking pace is not more than three-fourths of that upon the best macadamized roads under similar circumstances : at a trotting pace it is equal to it. 7th. The destruction of the road is in all cases greater as the diameters of the wheels are less, and it is greater in carriages without than with springs.
Page 99 - The test shall consist of a 1 cm. fall of the hammer for the first blow, and an increased fall of 1 cm. for each succeeding blow until failure of the test piece occurs. The number of blows necessary to destroy the test piece is used to represent the toughness, or the centimeter-grams of energy applied may be used.
Page 3 - It was conducted over pathless sierras buried in snow; galleries were cut for leagues through the living rock; rivers were crossed by means of bridges that swung suspended in the air; precipices were scaled by stairways hewn out of the native bed; ravines of hideous depth were filled up with solid masonry...
Page 439 - Mortars composed of one part Portland cement and three parts fine aggregate by weight when made into briquettes...
Page 482 - All surfaces inaccessible after assembling must be well painted or oiled before the parts are assembled. (11) The decision of the engineer shall control as to the interpretation of drawings and specifications during the execution of work thereunder ; but this shall not deprive the contractor of his right to redress, after the completion of the work, for an improper decision.
Page 440 - The materials shall be mixed wet enough to produce a concrete of such a consistency as will flow into the forms and about the metal reinforcement, and which, on the other hand, can be conveyed from the mixer to the forms without separation of the coarse aggregate from the mortar.
Page 65 - ... it until it becomes impassable mud. The action of frost is also apt to be more disastrous upon the more permeable surface of the earth road, having the effect of swelling and heaving the roadway and throwing its surface out of shape. It may LJ Fig.
Page 1 - Countries inhabited by the least civilized people, whose wants can be supplied in the immediate vicinity of their dwellings, are almost destitute of roads; hence it has come to be said that roads are the physical symbol by which to measure the progress of any age or people. ' If the community is stagnant, the condition of the roads will indicate the fact; if they have no roads, they are savages.