A Treatise on Civil Engineering |
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Page 15
... face ; proceeding faster when the faces of the strata are ex- posed , than in the contrary position . 37. EFFECTS OF HEAT . - Stones which resist a high degree of heat without fusing are used for lining furnaces , and are termed fire ...
... face ; proceeding faster when the faces of the strata are ex- posed , than in the contrary position . 37. EFFECTS OF HEAT . - Stones which resist a high degree of heat without fusing are used for lining furnaces , and are termed fire ...
Page 72
... face surfaces of the work against mod- erate frost , and , when the temperature ranges generally not much lower than the freezing point during the day , work may be safely carried on , if care be taken to cover over the new material at ...
... face surfaces of the work against mod- erate frost , and , when the temperature ranges generally not much lower than the freezing point during the day , work may be safely carried on , if care be taken to cover over the new material at ...
Page 73
... face to which the mortar is applied . 184. Mortar adheres most strongly to brick ; and more feebly to wood than to any other material . Among stones , its adhesion to limestone is generally greatest ; and to basalt . and sandstones ...
... face to which the mortar is applied . 184. Mortar adheres most strongly to brick ; and more feebly to wood than to any other material . Among stones , its adhesion to limestone is generally greatest ; and to basalt . and sandstones ...
Page 81
... face , which will prevent either warping or splitting , which necessarily ensues when one part dries more rapidly than an- other . It is further recommended , instead of piling the pieces on each other in a horizontal position , that ...
... face , which will prevent either warping or splitting , which necessarily ensues when one part dries more rapidly than an- other . It is further recommended , instead of piling the pieces on each other in a horizontal position , that ...
Page 89
... face of the fracture presents a granular structure ; the color is gray ; and the lustre is what is termed metallic , resembling small brilliant particles of lead strewed over the surface . 253. White cast iron is very hard and brittle ...
... face of the fracture presents a granular structure ; the color is gray ; and the lustre is what is termed metallic , resembling small brilliant particles of lead strewed over the surface . 253. White cast iron is very hard and brittle ...
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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.