A Treatise on Civil EngineeringJ. Wiley & Son, 1873 - 513 pages |
From inside the book
Results 1-5 of 82
Page 5
... obtained , from the localities where it is quarried , in blocks of any requisite size . It does not yield easily to the chisel , owing to its great hardness , and when coarse - grained it cannot be wrought to a smooth surface . Like all ...
... obtained , from the localities where it is quarried , in blocks of any requisite size . It does not yield easily to the chisel , owing to its great hardness , and when coarse - grained it cannot be wrought to a smooth surface . Like all ...
Page 6
... obtained in thin slabs . Granite varies greatly in quality according to its texture and the relative proportion of its constituents . When the quartz is in excess , it renders the stone hard and brittle , and very difficult to be worked ...
... obtained in thin slabs . Granite varies greatly in quality according to its texture and the relative proportion of its constituents . When the quartz is in excess , it renders the stone hard and brittle , and very difficult to be worked ...
Page 7
... obtained from them , are minutely described in the Geological Reports of these States , which have been published within the last few years . Most of the stone used for the public buildings in Wash- ington is a sand - stone obtained ...
... obtained from them , are minutely described in the Geological Reports of these States , which have been published within the last few years . Most of the stone used for the public buildings in Wash- ington is a sand - stone obtained ...
Page 8
... obtained either from the Connecticut quarries , or from others near the Hudson , in the Catskill group of mountains . Many quarries , which yield an excellent build- ing stone , are worked in the extensive formations along the ...
... obtained either from the Connecticut quarries , or from others near the Hudson , in the Catskill group of mountains . Many quarries , which yield an excellent build- ing stone , are worked in the extensive formations along the ...
Page 9
... . All the varieties , both of the compact and granular , work freely under the chisel and grit - saw , and may be obtained in blocks of any suitable dimensions for the heaviest struc- BUILDING MATERIALS . 9 21-29 Calcareous Stones.
... . All the varieties , both of the compact and granular , work freely under the chisel and grit - saw , and may be obtained in blocks of any suitable dimensions for the heaviest struc- BUILDING MATERIALS . 9 21-29 Calcareous Stones.
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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.