# A Treatise on the Strength of Bridges and Roofs: With Practical Applications and Examples for the Use of Engineers and Students

D. Van Nostrand, 1873 - 346 Seiten

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### Inhalt

 of panels 47 CHAPTER III 52 A Double Truss with an even number of panels 59 Example 65 CASE IVA Triple Truss containing an even number 90 Horizontal strains e 103 CASE W A Triple Truss containing an odd number 119 ber of panels 130 Wertical strains e e e 143 ART 148 TRUSSEs witH HORIZONTAL CHORDs witH STRUTS AND TIES 154 Description 159 A Double Truss containing an odd number 166 TRUSSEs witH HORIZONTAL CHORDS AND INCLINED BRACES 176 44 186
 CHAPTER VIII 239 Horizontal strains 248 A Single Truss with vertical and inclined braces 250 Tie strains 256 A Simple Truss with all the braces inclined 266 A Double Truss with all the braces inclined 279 Vertical strains in the braces from a moving 285 Example e 290 CHAPTER X 294 216 296 CHAPTER XI 305 CHAPTER XII 325 CHAPTER XIII 334 Tension 344

### Beliebte Passagen

Seite 337 - Of rectangular pillars of timber it was proved experimentally that the pillar of greatest strength, where the length and quantity of material is the same, is a square.
Seite 3 - If three forces acting at one point balance ; three lines parallel to their directions •will form a triangle whose sides ivill be proportional to the forces.
Seite 343 - Solution valid for large values of the ratio between the thickness of the plate and the diameter of the crack has been obtained.
Seite 243 - L, the longitudinal strain, is now in the line of the arc member, instead of in the line of the tangent to the curve at the point x.