A Treatise on Civil Engineering |
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Page iii
... given in our schools . Descriptions of processes and of works executed were the essential means of giving the infor- mation which was needed by the engineer . This determined the essential characteristic of his work , which is ...
... given in our schools . Descriptions of processes and of works executed were the essential means of giving the infor- mation which was needed by the engineer . This determined the essential characteristic of his work , which is ...
Page 10
... given a different result ; the stone obtained from them being , in some cases , extremely friable . 22. Marbles . The term marble is now applied exclu- sively to any limestones which will receive a polish . Owing to the cost of ...
... given a different result ; the stone obtained from them being , in some cases , extremely friable . 22. Marbles . The term marble is now applied exclu- sively to any limestones which will receive a polish . Owing to the cost of ...
Page 11
... given to the marbles found in our markets are significant of their ap- pearance , or of the localities from which they are procured . 29. Limestone is so extensively diffused throughout the United States , and quarried , either for ...
... given to the marbles found in our markets are significant of their ap- pearance , or of the localities from which they are procured . 29. Limestone is so extensively diffused throughout the United States , and quarried , either for ...
Page 14
... given a process for ascertaining the effects of frost on stone , which has met with the approval of many French architects and engineers of standing , as it corresponds with their experience . M. Brard directs that a small cubical block ...
... given a process for ascertaining the effects of frost on stone , which has met with the approval of many French architects and engineers of standing , as it corresponds with their experience . M. Brard directs that a small cubical block ...
Page 17
... given out by striking the stone with a hammer . The following results are taken from an article by Mr. James Frost , Civ . Engineer , inserted in the Journal of the Franklin Institute for Oct. 1835 , on the resistance of various ...
... given out by striking the stone with a hammer . The following results are taken from an article by Mr. James Frost , Civ . Engineer , inserted in the Journal of the Franklin Institute for Oct. 1835 , on the resistance of various ...
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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.