A Treatise on Civil EngineeringJ. Wiley & Son, 1873 - 513 pages |
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Page 19
... mixed with a fat or an hydraulic lime . Same as the preceding . 44. The most celebrated European hydraulic cements are obtained from argillaceous limestones , which vary but slightly in their constituent elements and properties . The ...
... mixed with a fat or an hydraulic lime . Same as the preceding . 44. The most celebrated European hydraulic cements are obtained from argillaceous limestones , which vary but slightly in their constituent elements and properties . The ...
Page 37
... mixed with air , it is probable the stone is burned considerably in advance of where the coal is supplied . " As the hot gases of combustion pass on , they give up their heat to the limestone , till , on arriving at the chimney , there ...
... mixed with air , it is probable the stone is burned considerably in advance of where the coal is supplied . " As the hot gases of combustion pass on , they give up their heat to the limestone , till , on arriving at the chimney , there ...
Page 40
... mixed with a portion of sand . 92. Manner of reducing hydraulic cement . - As the cement stones will not slake , they must be reduced to a fine powder by some mechanical process , before they can be con verted into a hydrate . They ...
... mixed with a portion of sand . 92. Manner of reducing hydraulic cement . - As the cement stones will not slake , they must be reduced to a fine powder by some mechanical process , before they can be con verted into a hydrate . They ...
Page 41
... mixed in suita- ble proportions with common lime , will yield a paste that hardens under water , has led , within a ... mixing common lime and unburnt clay , in suitable proportions , and then calcining them . The experiments of M. Vicat ...
... mixed in suita- ble proportions with common lime , will yield a paste that hardens under water , has led , within a ... mixing common lime and unburnt clay , in suitable proportions , and then calcining them . The experiments of M. Vicat ...
Page 42
... mixed with the clay . The process for mixing the ingredients , their calcina- tion , and further preparation for use , are the same as in the preceding case . 100. The artificial hydraulic cement manufactured in France , at Boulogne ...
... mixed with the clay . The process for mixing the ingredients , their calcina- tion , and further preparation for use , are the same as in the preceding case . 100. The artificial hydraulic cement manufactured in France , at Boulogne ...
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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.