A Treatise on Civil EngineeringJ. Wiley & Son, 1873 - 513 pages |
From inside the book
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Page 6
... suitable for most architectural purposes . It is also a good flagging material , when it can be obtained in thin slabs . Granite varies greatly in quality according to its texture and the relative proportion of its constituents . When ...
... suitable for most architectural purposes . It is also a good flagging material , when it can be obtained in thin slabs . Granite varies greatly in quality according to its texture and the relative proportion of its constituents . When ...
Page 7
... suitable for road coverings . 13. Horn - stone . This is a highly silicious and very hard stone . It resembles flint in its structure , and takes its name from its translucent , horn - like appearance . It furnishes a very good road ...
... suitable for road coverings . 13. Horn - stone . This is a highly silicious and very hard stone . It resembles flint in its structure , and takes its name from its translucent , horn - like appearance . It furnishes a very good road ...
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.
Page 10
Dennis Hart Mahan. in blocks of any suitable dimensions for the heaviest struc- tures . The durability of limestone is very materially affected by the foreign minerals it may contain ; the presence of clay injures the stone ...
Dennis Hart Mahan. in blocks of any suitable dimensions for the heaviest struc- tures . The durability of limestone is very materially affected by the foreign minerals it may contain ; the presence of clay injures the stone ...
Page 29
... suitable form for the hori zontal sections of a kiln , both for strength and economizing the heat . Were the section the same throughout , or the form of the interior of the kiln cylindrical , the strata of stone , above a certain point ...
... suitable form for the hori zontal sections of a kiln , both for strength and economizing the heat . Were the section the same throughout , or the form of the interior of the kiln cylindrical , the strata of stone , above a certain point ...
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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.