A Treatise on Civil EngineeringJ. Wiley & Son, 1873 - 513 pages |
From inside the book
Results 6-10 of 61
Page 15
... hard and not brittle . Granite , and its varieties , lime- stone , and common sand - stone , do not make good road mate- rials of broken stone . All the hornblende rocks , porphyry , compact feldspar , and the quartzose rock associated ...
... hard and not brittle . Granite , and its varieties , lime- stone , and common sand - stone , do not make good road mate- rials of broken stone . All the hornblende rocks , porphyry , compact feldspar , and the quartzose rock associated ...
Page 16
... hard bodies . Stones selected for paving , flagging , and steps for stairs , should be hard , and of a grain sufficiently coarse not to admit of becoming very smooth under the action to which they are submitted . As great hardness adds ...
... hard bodies . Stones selected for paving , flagging , and steps for stairs , should be hard , and of a grain sufficiently coarse not to admit of becoming very smooth under the action to which they are submitted . As great hardness adds ...
Page 17
... Hard Yorkshire paving stone Kilkenny black marble .... Statuary Marble ...... Old Portland stone . Roman Cement stone . Fine - grained Newcastle grindstone . Stock brick ... Coarse - grained Newcastle grindstone . Bath stone .. 980 327 ...
... Hard Yorkshire paving stone Kilkenny black marble .... Statuary Marble ...... Old Portland stone . Roman Cement stone . Fine - grained Newcastle grindstone . Stock brick ... Coarse - grained Newcastle grindstone . Bath stone .. 980 327 ...
Page 19
... hard- ens under water . Does not slake under any cir- cumstances , and hardens un- der water with rapidity . Does not slake nor harden un- der water , unless mixed with a fat or an hydraulic lime . Same as the preceding . 44. The most ...
... hard- ens under water . Does not slake under any cir- cumstances , and hardens un- der water with rapidity . Does not slake nor harden un- der water , unless mixed with a fat or an hydraulic lime . Same as the preceding . 44. The most ...
Page 25
... hard enough at the end of fifteen or twen- ty days , to resist the pressure of the finger , and will continue to harden slowly , more particularly from the sixth or eighth month after immersion ; and at the end of a year it will have ...
... hard enough at the end of fifteen or twen- ty days , to resist the pressure of the finger , and will continue to harden slowly , more particularly from the sixth or eighth month after immersion ; and at the end of a year it will have ...
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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.