INDEX.
PAGE
Deflection, Safe, in Cast-iron Girders ... 3
Dershaw, Lattice Bridge over the . . .94
Diagram, Description of Mr. Barlow’s, for Calculating the
Strains on a “Warren” Girder . ■ 55
„ „ for Determining the Strains on the
Diagonals of a Warren or Lattice Girder . 96
Dilation of Iron due to Heat . . . .104
Doyn (see Blood and Doyn) . . . 56
Drain Tiles, Triangular, employed in the Construction of Fire-proof Floors . . . . .104
Dredge’s Modification of the Suspension Principle as adapted to
Bridges ... 85
P
Fairbairn, W., Evidence before Railway Commissioners . 4
„ Investigations on the Effects of Time and Tem-perature upon Iron ... 5
„ Formulm for Calculating the Breaking Weight of
Cast-iron Girders . . .10
„ Section of Cast-iron Girders . . 11
„ Rule for Calculating the Strength of Trussed
Beams . . . .35
„ Opinions on Plate and Box Girders . 43
„ Swing Bridge over Lough Atalia . . 43
„ Bridge over Canal, Sheffield Goods Branch . 76
“ In Connection with Fire -proof Floors . .101
Fall of Fire-proof Mill, Oldham . . .102
Fatigue of Metal . . . . .3
Fire-proof Floors, Boulton and Watt’s Fire -proof Mills . 101
,, „ Cast-iron Girders and Brick Arch System . 102
„ „ Disadvantages of same, Fall of Mill at Oldham 102
„ „ Wrought-iron Plate Arches . . 103
„ Fox and Barrett’s System . . 103
Flanges, Proportion to be observed in Cast-iron Girders . 9
Floors, (see Fire -proof Floors, and British Museum )
Formulae for Calculating the j Breaking Weight of Cast-iron
Girders - - - - . 9,10
„ for Determining the Strain on Cashiron Arches . 30
„ Mr. Edwin Clark’s ditto . . 34
„ for Calculating Strength of Trussed Girder . 35
„ „ Breaking Weight of a Tubular Girder 44
„ for Determining the Point of Contrary Flexure in
Continuous Girders . . . .46
„ „ the Strain on the Top and Bottom
Flanges of Wrought-iron Girders. 51„ „ „ „ on the various parts of a
Warren or Lattice Girder 55,99„ „ according to Mr. Barlow’s method . 66
„ „ „ „ on the chains of a Sus-pension Bridge . . . .84
Foster (see Lloyds, Foster & Co.)
Founders, their Names, with the Mixtures of Cast-iron they
recommend . - . . 6 to 8
Fowler, John, Bridge over Canal, Sheffield Goods Branch 76Fox, Henderson, and Co., Girders used on Great Northern
Railway . • • • • .15
„ „ „ Parapet of Bridge over Parish
Roads North Mims . . . .17
„ „ Coal Depot, Hitchin . .18
„ „ „ Road Bridge,High -street Biggleswade 19
Fox (Dr.) Henry Hawes, andBarrett’s System of Fire -proof Floor 103Foyle, Bridge over River , Description of - .59
„ Reference to Plates of . .60
French Systeme of Fire-proof Floors, Systeme Vaux, and Systeme
Thuasne . . . . .105
Fribourg , Suspension Bridge . . • .85
Furnace, Air ..... 3
G
Gardner, John, Patent Cast-iron Girders . . .32
„ „ Bath Road Bridge, Reading . 33
Gilkes, Wilson, and Co., Contractors for the Cast-iron Girders
on Strood and Maidstone Railway . 21
» » „ „ Stamford Bridge Viaduct 30
” » » „ Bath Road Bridge,
Reading . 33
” " » „ Swing Bridge, Bergen . 78
Girders, (see Cast-iron Girders.)
„ Great Northern Railway . . 15 to 17
„ Coal Depot, Hitchin . . .18
„ Bridge for High street, Biggleswade . . 19
„ Strood Street Bridge . . .21
„ Snodland Bridge . . .25
Parapet Girder for same . . . 26
„ Bridge over Knottingley and Goole Canal . 36
„ Compound of Cast and Wrought-iron, Bridge over
River Stour . . . .37
„ Continuous . . . .46
„ Gardner’s Patent Cast-iron, Bridge over Bath Road 32„ Lattice . . . . .92
„ Chelsea Suspension Bridge . . .89
„ Bridge over Prescott-street . . .97
„ Plate, see Vina del Mar Bridge . . 61
„ Bridge over Rochdale Canal, Sheffield Goods Branch 76
„ Bridge on Cannock Branch, South Staffordshire Railway 80
„ Railway Lift Bridge over Grand Surrey Canal . 100
„ Trellis Lift Bridge over Grand Surrey Canal . 100
„ Triangular (see Warren Girder)
„ Trough Bridge on Strood and Maidstone Railway 27
„ Bridge over Danks Branch . . .28
„ Bridge over Creek at Strood . . 49
„ Truss Bridge over Knottingley and Goole Canal . 35
„ Tubular, Swing Bridge over Lough Atalia . 43
„ Warren, Crumlin Viaduct . . .61
„ Sursuttee Bridge . . . .57
„ Bridge over River Foyle . . .59
„ Wrought-iron ditto, Bridges, various Descriptions of .13Gordon (see Liddel and Gordon)
Gregory, Olinthus, Formulas for Calculating Strains on the
various Parts of a Suspension Bridge . . .83.
Gun Casting ..... 1
H
Hailing Bottom, Description of Girders for Bridge at . 27
Harris, John, Bridge over Knottingley and Goole Canal . 35
Harrison, Montague, Bridge on Strood and Maidstone Railway 40Hemans, G. W., Swing Bridge, Lough Atalia . . 43
Henderson (see Fox, Henderson, and Co.) . . 15
Hodgkinson, Formula for determining the Breaking Weight of
the Cast-iron Girder . . 9 & 102
„ Section of Greatest Strength for Cast-iron Girders 11Holborough Bridge, Description of Girders used for . 24
Hood, R. Jacomb, Lift Bridges over Grand Surrey Canal . 99
Horton, J. and W., Contractors, Bridge over Creek at Strood 40Howard and Ravenhill, Improvements in the Manufacture ofChains of Suspension Bridges . . .85
Chains of Chelsea Bridge . . .89
Iron, Cast and Wrought
33