A Text-book On Roofs And Bridges  Volume 2: Graphic Statics. 2d Ed., 1894 by Mansfield MerrimanA Text-book On Roofs And Bridges  Volume 2: Graphic Statics. 2d Ed., 1894 by Mansfield Merriman

A Text-book On Roofs And Bridges Volume 2: Graphic Statics. 2d Ed., 1894

byMansfield Merriman

Paperback | May 14, 2012

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1890 Excerpt: ...all the stresses in any member are either tensile or compressive, the minimum equals the dead load stress and the maximum equals the sum of the dead, snow, and larger wind load stresses. It is seen from the table that the maximum chord stresses are greater on the fixed side than on the free side, while the maximum stresses in the bracing are the same on both sides. Prob. 33. A wrought iron truss of the type shown in Fig. 2S has a span of 76 feet, rise of peak 18 feet, and rise of tic MN 3 feet. The trusses are 16 feet 6 inches apart, their right ends resting on rollers. Find the maximum and minimum stresses in all the members. Art. 24. Complete Stresses For A Crescent Truss. In the crescent truss whose outline and general dimensions are given on Plate II the joints on both the upper and lower chords lie on arcs of circles, and the alternate braces are radials of the upper circular arc. The following dimensions and apex loads are obtained either graphically or by computation, and in some cases by both methods, one being a check on the other: Radius of circle containing the joints of the upper chord, 51.25 feet. Radius of circle containing the joints of the lower chord, 99.06 feet. Length of panels on the upper chord,.... 11.08 feet. Weight of truss, 4.12 tons. Weight of roof covering, 8.52 tons. Total dead load, 12.64 tons. Dead apex load, 1.58 tons. Dead load reaction, 6.32 tons. Horizontal projection of panels of upper chord, 8.04, 9.44, 10.53, 10.99 feet. Snow apex loads,.... 0.48, 1.05, 1.20, 1.29, 1.32 tons. Snow load reaction, 4.68 tons. Inclinations of roof surface,. 43 20', 31 05' 18 30', 6 10'. Normal wind pressures per sq. ft., 35.2, 27.3, 17.2, 6 2 pounds. Total wind loads on the panels,.. 3.12, 2.44, 1.52, o 54 tons. The dead load stress diagram ...

Details & Specs

Title:A Text-book On Roofs And Bridges Volume 2: Graphic Statics. 2d Ed., 1894Format:PaperbackDimensions:32 pages, 9.69 × 7.44 × 0.07 inPublished:May 14, 2012Publisher:General Books LLCLanguage:English

The following ISBNs are associated with this title:

ISBN - 10:0217430252

ISBN - 13:9780217430258

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