Page:Encyclopædia Britannica, Ninth Edition, v. 4.djvu/389

] Tables XVII. and XVIII. give various details regarding some important bridges of various construction and dimen sions. XVI.—Cast-Iron Bridges. Xo. Total Date of XAME OF Hi; IH;I:. of Sinn, Rise. Open- Ings. weight of Iron work. Cost. Com pletion. Ft. In. 1 Ft. In. Tons Coalbrookdak 1 100 6 500 37Si 1779 Buildwas . 1 130 l ,-, 1&amp;lt;4 6,034 1796 Sunderland Bridge 1 236 31 Oj 260 27.00C 1796 Laason Bridge 1 430 1794 Staines Bridge 1 180 160 ... ]802 Pont du Louvre ... 9 57 10 8 263 1803 Font d Austerlitz... 5 106 10 8 1806 St Denis 1 39 5 3 a 1808 Bristol Bridge 1 100 la (i 150 4,000 Craigellaehie Bridge 11500 20 C 8,20( Witham Bridge 1 86 5 Vauxhall Bridge.. 78 29 300,001 1816 c. .1 T i&amp;gt; i o U 240 24 Southwark bridge 3 &amp;lt; ., O ,Q Q. [j 5780 800.00C 1819 Tewkesbury Bridge 1 170 17 Gal ton Bridge 1 180 18

XVII.—Dimensions of Large Masonry Bridges. Thickness. Flat Arc ics. Span in feet. Versinc - in feet. laxlmum !;u us in Of Of feet. Crown butincnt in feet. at base. Trezzo over Adda 251- 134 Dorlaston, Segment al 86 51 13-48 76-1 3-510 32-022 Trilport, Elliptical ... 80-38 27-69 4-462 19- Nantes ,, 115-16 34-41 89-5 6-397 28 Xeuilly ,, ... 127-89 31-95 160- 5-315 35- Waterloo ,, 120- 32- 112-5 4 5 40- London Bridge ,, ... 152- 29-6 4-75 Alrua (Beton) ,, 141-4 23-2 4-92 Grosvenor Bridge, ) Chester ] 200 42 143 4* 1 XVIII.—Dimensions and Cost of Large Bridges. Maximum. Reputed Cost. Xame of Bridge. Ap- &quot;& c Total Pei- Nature of Bridge. )rox. Span. 5 Foot Ight. M Amount. run. Ft. Ft. Ft. Britannia ... 125 460 1,511 601,865 398 ( Two lines Railway / tubular. Charing-cross 50 154 1,365 180,000 131 $ Four lines Railway I double Warren. Boync 90 264 550 140,000 25 1 ! I Four lines Railway ( Two lines Railway Crumlin 200 150 1,800 39,000 21 lattice on open- work piers. ( One line Railway Craigellaehie 20 200 413 12,200 29-5 j lattice, and ( plate girder. Grand river) (Mauritius)) 130 12 620 30,000 50 One line Railway plate girder. ( Two lines Railway Deepdale 150? 60 740 20,266 27 lattice on open- f work piers., ( Road cast and Westminster 20 120 1,160 235,000 202 &amp;lt; wrought iron ( arch, 83 feet wide. i Wire-rope Suspen- Fribourg 167 SOS 24,000 29 &amp;lt; sion Bridge roai only. ( Wire-rope Suspen- Niagara 245 SOS* 800 80,000 100 j sion Bridge road ( and railway. Laodore 75 110 1,760 25,720 1C-3 Wooden Trusses^
 * lattice.

* Platform

{{ti|1em|{{11fine|{{11fine|I. Tensile strength of materials, 285. II., III. Ultimate strength to resist, crushing and shearing, 286, 287. IV. Modulus of elasticity, 2S7. V. Moment of inertia, 2SS. VI. Weight of different materials, 288. VIL Coefficient of linear expansion, 289. VIII. Modulus of rupture, 292. IX. Value of j for various cross-sections, 20&quot;. -X. Values of n and n {, 299. XL Stresses on members of Warren girder, 318. XII. Weights of trusses of different types. 321. XIII., XIV XV. Constants and values of B and n for the strength of struts and pillars 321, 322 XV L, XVIL, XVIII. Dimensions ;md cost of vari -us bridges, 341.}}}}}} 