A Treatise on Civil EngineeringJ. Wiley & Son, 1873 - 513 pages |
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Page xi
... Natural Features of Rivers .. 494 830-831 . River Improvements .. 495 832-833 . Means of Protecting the Banks - Inundations ... 496 834-841 . Elbows - Bars .... 497 842-849 . Slack - water Navigation . 501 CHAPTER X. SEA - COAST ...
... Natural Features of Rivers .. 494 830-831 . River Improvements .. 495 832-833 . Means of Protecting the Banks - Inundations ... 496 834-841 . Elbows - Bars .... 497 842-849 . Slack - water Navigation . 501 CHAPTER X. SEA - COAST ...
Page 7
... natural cement , generally of an argillaceous or a silicious character . The strength , hardness , and durability of sand - stone vary between very wide limits . Some varieties being little in- ferior to good granite , as a building ...
... natural cement , generally of an argillaceous or a silicious character . The strength , hardness , and durability of sand - stone vary between very wide limits . Some varieties being little in- ferior to good granite , as a building ...
Page 8
... natural polish . The best kinds split into thin , uniform , light slabs ; are free from sulphurets of iron ; give a clear ringing sound when struck ; and absorb but little water . Much of the roofing slate quarried in the United States ...
... natural polish . The best kinds split into thin , uniform , light slabs ; are free from sulphurets of iron ; give a clear ringing sound when struck ; and absorb but little water . Much of the roofing slate quarried in the United States ...
Page 20
... natural Portland cement is manufactured in France , at Boulogne , where the stone , which is very soft , is found underlying the strata which fur- nish the Boulogne pebbles . 46. The best known hydraulic cements of the United States are ...
... natural Portland cement is manufactured in France , at Boulogne , where the stone , which is very soft , is found underlying the strata which fur- nish the Boulogne pebbles . 46. The best known hydraulic cements of the United States are ...
Page 22
... Natural Bridge , and banks of Cedar Creek , Virginia ; it makes a good hydraulic cement . No. 3 is from New York , and is extensively burnt for cement . No. 4 is from Louisville , Kentucky ; said to make a good cement . 49. M. Vicat ...
... Natural Bridge , and banks of Cedar Creek , Virginia ; it makes a good hydraulic cement . No. 3 is from New York , and is extensively burnt for cement . No. 4 is from Louisville , Kentucky ; said to make a good cement . 49. M. Vicat ...
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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.