A Treatise on Civil EngineeringJ. Wiley & Son, 1873 - 513 pages |
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Page 5
... mass . phyry furnishes stones of various colors and texture ; the usual color being reddish , approaching to purple , from which the stone takes its name . One of the most beautiful varie- ties is a brecciated porphyry , consisting of ...
... mass . phyry furnishes stones of various colors and texture ; the usual color being reddish , approaching to purple , from which the stone takes its name . One of the most beautiful varie- ties is a brecciated porphyry , consisting of ...
Page 6
... mass . The color of granite is usually some shade of gray ; when it varies from this , it is owing to the color of the feldspar . One of its varieties , known as Oriental granite , has a fine reddish hue , and is chiefly used for ...
... mass . The color of granite is usually some shade of gray ; when it varies from this , it is owing to the color of the feldspar . One of its varieties , known as Oriental granite , has a fine reddish hue , and is chiefly used for ...
Page 10
... mass , made in sawing or splitting it . 26. Lumachella Marble . This is obtained from a lime- stone having shells embedded in it , and takes its name from this circumstance . 27. Verd Antique . This is a rare and costly 10 CIVIL ...
... mass , made in sawing or splitting it . 26. Lumachella Marble . This is obtained from a lime- stone having shells embedded in it , and takes its name from this circumstance . 27. Verd Antique . This is a rare and costly 10 CIVIL ...
Page 11
... Mass . , Conn . , New York , New Jersey , Penn . , and Virg . , and in all probability much farther south . Marbles are quarried in various localities in the United States . Among the most noted are the quarries in Berk- shire Co. , Mass ...
... Mass . , Conn . , New York , New Jersey , Penn . , and Virg . , and in all probability much farther south . Marbles are quarried in various localities in the United States . Among the most noted are the quarries in Berk- shire Co. , Mass ...
Page 13
Dennis Hart Mahan. of lime . Nodules of this character are found in Mass . , and in some other States ; and it is probable they would yield , if suitably calcined and ground , an article in nowise inferior to that imported . 30. GYPSUM ...
Dennis Hart Mahan. of lime . Nodules of this character are found in Mass . , and in some other States ; and it is probable they would yield , if suitably calcined and ground , an article in nowise inferior to that imported . 30. GYPSUM ...
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Common terms and phrases
abutments action arch arranged artificial axis bars beam béton blocks bolts bottom breaking strain brick bridge caisson calcined carbonic carbonic acid cast iron centre chains chord clay common lime compression concrete connected construction cross curved cylinder deflection depth diagonal diameter durability embankment engineer experiments exterior feet flanch foundation fracture give hard heat Hodgkinson horizontal hot blast hydraulic cement hydraulic lime immersion joints kiln laid layer length limestones lower magnesia masonry mastic material ments metal mortar ordinary pieces piers pillars placed plates portion Portland cement pressure proportion puzzolana rails resistance ribs roadway Roman cement sand sheeting piles side slaked sleepers soffit soil solid span specific gravity spikes square inch steel strength structure struts suitable surface tensile tensile strength termed thickness timber tion transverse strain truss tube upper usually vertical voussoirs wall weight wire wrought iron yield
Popular passages
Page 136 - ... elasticity ; and judging from its slow increase afterwards, I was persuaded that it had not come on by a sudden change, but had existed, though in a less degree, from a very early period.
Page 419 - ... long. The fascines are laid in alternate layers crosswise and lengthwise, and the layers are either connected by pickets, or else the withes, with which the fascines are bound, are cut to allow the brushwood to form a uniform and compact bed. This method of securing a good bed for structures on a weak wet soil has been long practised in Holland, and experience has fully tested its excellence.
Page 175 - For the coping and top courses of a wall, the same objections do not apply to excess in length : but this excess may, on the contrary, prove favorable ; because the number of top joints being thus diminished, the mass beneath the coping will be better protected, being exposed only at the joints, which cannot be made water-tight, owing to the mortar being crushed by the expansion of the blocks in warm weather, and, when they contract, being washed out by the rain.