A Treatise on Civil EngineeringJ. Wiley & Son, 1873 - 513 pages |
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Page 16
... weight . cwt . qrs . lbs . 7 1 12.75 5.250 7 3 24.25 Loss of weight by sup . foot . losses . wear . 4.50 0.951 1.000 5.50 1.048 1.102 Budle 6.336 9 0 15.75 7.75 1.223 1.286 Peterhead ( blue ) 3.484 4 Heytor 4.313 6 Aberdeen ( red ) ...
... weight . cwt . qrs . lbs . 7 1 12.75 5.250 7 3 24.25 Loss of weight by sup . foot . losses . wear . 4.50 0.951 1.000 5.50 1.048 1.102 Budle 6.336 9 0 15.75 7.75 1.223 1.286 Peterhead ( blue ) 3.484 4 Heytor 4.313 6 Aberdeen ( red ) ...
Page 17
... Weight of a cubic foot 158lbs . Volume of water absorbed by the dry stone after one day's im- mersion , compared with that of the stone . Neglected as insensible . 66 154 " 156 " 66 150 " * 148 " in volume . 66 Mean annual wear . 0.1023 ...
... Weight of a cubic foot 158lbs . Volume of water absorbed by the dry stone after one day's im- mersion , compared with that of the stone . Neglected as insensible . 66 154 " 156 " 66 150 " * 148 " in volume . 66 Mean annual wear . 0.1023 ...
Page 39
... weight , and for one volume of quick lime yield 3.52 volumes of slaked lime . The meager limes increase one - eighth in weight , and for one volume of quick lime yield from 1.75 to 2.25 volumes of slaked lime . 86. The dry hydrates of ...
... weight , and for one volume of quick lime yield 3.52 volumes of slaked lime . The meager limes increase one - eighth in weight , and for one volume of quick lime yield from 1.75 to 2.25 volumes of slaked lime . 86. The dry hydrates of ...
Page 45
... weight , or spe- cific gravity , is one of the best tests . Another more recent method of giving a certain degree of hydraulicity to common limes , and of improving that of hy- draulic limes , is to place the calcined stone , LIME . 45.
... weight , or spe- cific gravity , is one of the best tests . Another more recent method of giving a certain degree of hydraulicity to common limes , and of improving that of hy- draulic limes , is to place the calcined stone , LIME . 45.
Page 53
... weight to grind any lumps in the lime to a paste . The diam- eter of the wheel is eight feet , and thickness eight inches . The radius of the horse track for working the wheel is twenty feet . The annular space between the trough and ...
... weight to grind any lumps in the lime to a paste . The diam- eter of the wheel is eight feet , and thickness eight inches . The radius of the horse track for working the wheel is twenty feet . The annular space between the trough and ...
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Common terms and phrases
abutments action arch arranged axis bars beams béton blocks bolts bottom braces brick bridge caisson calcined carbonic carbonic acid cast cast-iron centre chains clay compression concrete connected construction counterforts cross section curved cylindrical deflection depth diagonal diameter dimensions durability effect embankment engineer excavation experiments exterior feet flanch foundation frame give heat horizontal hot blast hydraulic cement hydraulic lime immersion interior kiln laid layer length limestones magnesia masonry material ments mortar ordinary pieces piers placed plates platform points of support portion Portland cement pressure rails resistance rest ribs roadway roadway-bearers Roman cement sand secured sheeting piles side slaked slaked lime sleepers soffit soil solid span specific gravity spikes square inch steel stone strain strength structure struts suitable surface suspended termed thickness timber tion transverse truss tube upper uprights usually vertical voussoirs wall water-way weight wooden 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 517 - SELECTED FRUITS, From Downing's Fruits and FruitTrees of America. With some new varieties, including their Culture, Propagation, and Management in the Garden and Orchard, with a Guide to the selection of Fruits, with reference to the Time of Ripening. By Chas. Downing. Illustrated with upwards of four hundred outlines of Apples,. Cherries, Grapes, Plums, Pears, &c. 1 vol., 12mo.., .$2'50" 6 » LOUDON'S GARDENING FOR LADIES, AND COMPANION TO THE FLOWER-GARDEN.
Page 347 - ... Harvard University. This he has laid out in a beautiful park to be free to the public, and with the name " The Serpent Mound Park." It is in a wild and picturesque country and must eventually be a favorite place of public resort. The Professor, who is an accomplished archaeologist, regards this as one of the most remarkable structures of its kind in the world. His description of the work is as follows: " The head of the serpent rests on a rocky platform which presents a precipitous face to the...
Page 422 - ... is increased to from six to twelve inches. The transversal joints are usually continuous, and those in the direction of the axis of the road break joints. In some cases the blocks are so laid that the joints make an angle of 45° with the axis of the roadway, one set being continuous, the other breaking joints with them.
Page 429 - Too great attention cannot be bestowed upon keeping the road-surface free from an accumulation of mud and even of dust. It should be constantly cleaned by scraping and sweeping. The repairs should be daily made by adding fresh material upon all points where hollows or ruts commence to form. It is recommended by some that when fresh material is added, the surface on which it is spread should be broken with a pick to the depth of half an inch to an inch, and the fresh material be well settled by ramming,...
Page 489 - ... culvert. If the water of the brook is generally limpid, and its current gentle, it may, in the last case, be received into the canal. The communication of the brook, or feeder, with the canal, should be so arranged that the water may be shut off, or let in at pleasure, in any quantity desired. For this purpose a cut is made through the side of the canal, and the sides and bottom of the cut are faced with masonry laid in hydraulic mortar.