A Treatise on Civil EngineeringJ. Wiley & Son, 1873 - 513 pages |
From inside the book
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Page 30
... greater than from ten to thirteen feet , depending on the more or less compact texture of the stone , and the more or less ease with which it vitrifies . He proposes to use kilns with two stories ( Fig . 3 ) , A E D B с b A Fig . 3 ...
... greater than from ten to thirteen feet , depending on the more or less compact texture of the stone , and the more or less ease with which it vitrifies . He proposes to use kilns with two stories ( Fig . 3 ) , A E D B с b A Fig . 3 ...
Page 31
... greater than that of the grate . The diameter of the horizontal section at top is 0.63 the di- ameter of the greatest horizontal section . The horizontal sec- tions of the kiln diminish from the section near the top of the dome to the ...
... greater than that of the grate . The diameter of the horizontal section at top is 0.63 the di- ameter of the greatest horizontal section . The horizontal sec- tions of the kiln diminish from the section near the top of the dome to the ...
Page 40
... greater hardness in time than the soft pastes . The pastes of the hydrates of hydraulic lime , which have hardened in the air , will retain their hardness when placed in water . 90. All limes seem to have their hydraulic energy affected ...
... greater hardness in time than the soft pastes . The pastes of the hydrates of hydraulic lime , which have hardened in the air , will retain their hardness when placed in water . 90. All limes seem to have their hydraulic energy affected ...
Page 44
... greater ease with which they can be reduced to a powder . 108. As the clays mostly contain lime , magnesia , some of the metallic oxides , and alkaline salts , General Treussart en- deavored to ascertain the influence of these ...
... greater ease with which they can be reduced to a powder . 108. As the clays mostly contain lime , magnesia , some of the metallic oxides , and alkaline salts , General Treussart en- deavored to ascertain the influence of these ...
Page 50
... greater than that of the void spaces of grains of sand . The bulk of sand for this purpose should be from 2.5 to 2.75 that of the lime paste . 138. The proportion which the lime should bear to the sand seems to depend , in some measure ...
... greater than that of the void spaces of grains of sand . The bulk of sand for this purpose should be from 2.5 to 2.75 that of the lime paste . 138. The proportion which the lime should bear to the sand seems to depend , in some measure ...
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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.