A Treatise on Civil EngineeringJ. Wiley & Son, 1873 - 513 pages |
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Page 10
... equal pro- portions of the carbonates of lime and magnesia . Some of the quarries of this stone , which have been opened in New York and Massachusetts , have given a different result ; the stone obtained from them being , in some cases ...
... equal pro- portions of the carbonates of lime and magnesia . Some of the quarries of this stone , which have been opened in New York and Massachusetts , have given a different result ; the stone obtained from them being , in some cases ...
Page 11
... highly probable that the magnesian limestones , containing a cer- tain proportion of magnesia , will be found fully equal to the argillaceous , from which hydraulic lime has hitherto been BUILDING MATERIALS . 11 ARTICLE.
... highly probable that the magnesian limestones , containing a cer- tain proportion of magnesia , will be found fully equal to the argillaceous , from which hydraulic lime has hitherto been BUILDING MATERIALS . 11 ARTICLE.
Page 25
... equal to the more absorbent calcareous stones ; and it will splinter from a blow , presenting a slaty fracture . As the hydraulic cements do not slake perceptibly , the burnt stone must first be reduced to a fine powder before it is ...
... equal to the more absorbent calcareous stones ; and it will splinter from a blow , presenting a slaty fracture . As the hydraulic cements do not slake perceptibly , the burnt stone must first be reduced to a fine powder before it is ...
Page 41
... equal in quality to that obtained from natural stones , can be made by mixing common lime , either in the state of a carbonate or of a hy drate , with clay , and subjecting the mixture to a suitable de- gree of heat . In some parts of ...
... equal in quality to that obtained from natural stones , can be made by mixing common lime , either in the state of a carbonate or of a hy drate , with clay , and subjecting the mixture to a suitable de- gree of heat . In some parts of ...
Page 49
... equal bulk of common lime in paste can be mixed with hydraulic cement paste without occasion- ing any material diminution in the strength of the resulting mortar .. 131. For hydraulic mortars , made of common , feeble , or or- dinary ...
... equal bulk of common lime in paste can be mixed with hydraulic cement paste without occasion- ing any material diminution in the strength of the resulting mortar .. 131. For hydraulic mortars , made of common , feeble , or or- dinary ...
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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.