A Treatise on Civil Engineering |
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Page 28
... lower diameter of the dome is a few feet less than that of the kiln ; and its interior is made sufficiently capacious to receive the fuel which , cut into short lengths , is placed up endwise around the dome . The stone is placed over ...
... lower diameter of the dome is a few feet less than that of the kiln ; and its interior is made sufficiently capacious to receive the fuel which , cut into short lengths , is placed up endwise around the dome . The stone is placed over ...
Page 29
... lower portions may be over- burned before the upper are burned enough . The propor- tions between the height and mean horizontal section , will depend upon the texture of the stone ; the size of the frag- ments into which it is broken ...
... lower portions may be over- burned before the upper are burned enough . The propor- tions between the height and mean horizontal section , will depend upon the texture of the stone ; the size of the frag- ments into which it is broken ...
Page 30
... lower story . D , dome of upper story . E , interior of upper story . a , arched entrance to kiln . b , receptacle for water to furnish a cur- rent of aqueous vapor . c , doorway for drawing kiln , etc. , closed by a fire - proof door ...
... lower story . D , dome of upper story . E , interior of upper story . a , arched entrance to kiln . b , receptacle for water to furnish a cur- rent of aqueous vapor . c , doorway for drawing kiln , etc. , closed by a fire - proof door ...
Page 31
... lower story . 68. Lime burning has become a special branch of industry in the United States , in which a large amount of capital is embarked , so that the engineer has now no other concern in the manufacture of this material than to be ...
... lower story . 68. Lime burning has become a special branch of industry in the United States , in which a large amount of capital is embarked , so that the engineer has now no other concern in the manufacture of this material than to be ...
Page 32
... lower frustum . C , D , draw pit . F , body of the masonry . ab , cd , sides of conical - shaped kiln . a B C D 71. In others ( Fig . 4 ) the body or upper portion of the chamber is cylindrical , whilst the lower portion is an inverted ...
... lower frustum . C , D , draw pit . F , body of the masonry . ab , cd , sides of conical - shaped kiln . a B C D 71. In others ( Fig . 4 ) the body or upper portion of the chamber is cylindrical , whilst the lower portion is an inverted ...
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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.