Bridge and Tunnel Centres |
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abutting angle of repose arc of 60 arch stones arrangement back rib backpieces bolt braces Brevet brick bridge centres centre frames centre rib cloth cocket constructed cubic foot cubic yard curve dimensions direction Drawing driven earth edition engravings equation feet firm points folding wedges full centre arch give hori horizontal beam horizontal tie beam Hypsometry Illustrated inches inclined struts intrados laid latter leading rib length of arch load lower joint method middle rib mortar NOSTRAND'S PUBLICATIONS patent centres placed points of support pressure props queen post rabbeted radii of curvature radius resistance rest scarf joint screws segment rib side walls sill small span soffit soirs springing line Steam Engine strength STRIKING THE CENTRES telegraphy thick tical timbers tion TUNNEL CENTRES U. S. Military Academy U. S. Navy vertical beams voussoirs Waterloo Bridge weight per cubic WEST POINT wood cuts
Popular passages
Page 106 - A Treatise on the Metallurgy of Iron : Containing Outlines of the History of Iron Manufacture, Methods of Assay, and Analysis of Iron Ores, Processes of Manufacture of Iron and Steel, etc., etc.
Page 105 - Lowell Hydraulic Experiments. Being a selection from experiments on Hydraulic Motors on the Flow of Water over Weirs, in Open Canals of uniform rectangular section, and through submerged Orifices and diverging Tubes. Made at Lowell, Mass.