A Treatise on Civil EngineeringJ. Wiley & Son, 1873 - 513 pages |
From inside the book
Results 1-5 of 85
Page 8
... give a clear ringing sound when struck ; and absorb but little water . Much of the roofing slate quarried in the United States is of a very inferior quality , and becomes rotten , or decomposes , after a few years ' exposure . The ...
... give a clear ringing sound when struck ; and absorb but little water . Much of the roofing slate quarried in the United States is of a very inferior quality , and becomes rotten , or decomposes , after a few years ' exposure . The ...
Page 15
... give an indication of the like effect of frost . This process , with the official statement of a commission of engineers and architects , by whom it was test- ed , is minutely detailed in vol . 38 , Annales de Chimie et de Physique ...
... give an indication of the like effect of frost . This process , with the official statement of a commission of engineers and architects , by whom it was test- ed , is minutely detailed in vol . 38 , Annales de Chimie et de Physique ...
Page 18
... give an hydraulic cement when deprived of a portion only of their carbonic acid ; and other limestones yield , on calci- nation , a result which can neither be termed lime nor hydraulic cement , owing to its slaking very imperfectly ...
... give an hydraulic cement when deprived of a portion only of their carbonic acid ; and other limestones yield , on calci- nation , a result which can neither be termed lime nor hydraulic cement , owing to its slaking very imperfectly ...
Page 22
... give hydraulic energy to the compound . This proportion of clay M. Vicat supposes may cause the formation of triple ... gives the following analysis of a stone which gives a good hydraulic lime . Carbonate of lime ... Carbonate of ...
... give hydraulic energy to the compound . This proportion of clay M. Vicat supposes may cause the formation of triple ... gives the following analysis of a stone which gives a good hydraulic lime . Carbonate of lime ... Carbonate of ...
Page 25
... give no evidence of slaking . If the stone slakes either completely or partially , it must be converted into a paste of the consistence of soft putty , being ground up thoroughly , if necessary , in an iron mortar . The paste is made ...
... give no evidence of slaking . If the stone slakes either completely or partially , it must be converted into a paste of the consistence of soft putty , being ground up thoroughly , if necessary , in an iron mortar . The paste is made ...
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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.