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By MILO S. KETCHUM
DEAN OF COLLEGE OF ENGINEERING AND DIRECTOR OF ENGINEERING
EXPERIMENT STATION, UNIVERSITY OF ILLINOIS
Published by the
Third Edition, Enlarged STRUCTURAL ENGINEBRS' HANDBOOK Flexible, 6x9 in., 1,080 pages, 450 illustrations, 265 tables, $7.00,
net, postpaid. Total issue, 33,000 copies
Fourth Edition, Rewritten and Enlarged DESIGN OP STEEL MILL BUILDINGS, AND THB CALCULATION OF THB STRESSES IN FRAMED STRUCTURES Flexible, 6x9 in., 640 pages, 410 illustrations, 4 folding plates, 60 tables, $6.00, net, postpaid. Total issue, 20,000 copies
Second Edition, Rewritten and Enlarged DESIGN OF HIGHWAY BRIDGES OF STEEL, TIMBER
AND CONCRETE Flexible, 6x9 in., 566 pages, 340 illustrations, 7 folding plates, 140 tables, $6.00, net, postpaid. Total issue, 11,000 copies
Third Edition DESIGN OF WALLS, BINS AND GRAIN ELEVATORS Cloth, 6x9 in., 556 pages, 304 illustrations, 45 tables, $5.00, net,
postpaid. Total issue, 8,000 copies
First Edition DESIGN OF MINE STRUCTURES Cloth, 6x9 in., 460 pages, 265, illustrations, 65 tables, $5.00, net,
postpaid. Total issue, 4,500 copies
By PROFESSORS WILLIAM D. Pence and Milo S. KETCHUM SURVEYING MANUAL. A Manual of Field and Office Methods
for the Use of Students in Surveying. Fourth Edilion Flexible, 42x7 in., pp. 388+xii, 10 plates and 140 illustrations, 130 pages of tables, $2.50, net, postpaid. Total issue, 50,000 copies
OF STEEL, TIMBER AND CONCRETE
MILO S. ĶETCHUM, C.E.
M. Am. Soc. C. E.
DEAN OF COLLEGE OF ENGINEERING AND DIRECTOR OF ENGINEERING EXPERIMENT STATION, UNIVERSITY
OF ILLINOIS; CONSULTING ENGINEER
SECOND EDITION REWRITTEN
TOTAL ISSUE, 11,000
MCGRAW-HILL BOOK COMPANY, INC.
NEW YORK: 370 Seventh Ave.
COPYRIGHT, 1908, 1920
The increase in live loads due to the extensive use of heavy motor trucks, tractors and traction engines, and the increased use of reinforced concrete in building high way bridges have made it necessary to rewrite this book. The scope of the work has been extended so that the book now covers the design of concrete and timber highway bridges as well as steel highway bridges. The design of both the superstructure and the substructure of highway bridges is discussed in detail. The discussion covers all the details of constructing highway bridges, including the calculation of the stresses, the design, the estimate, the contract and the erection and construction.
The same size of type page and size of type as are used in the author's "Structural Engineers' Handbook" are used in this book.
The book is divided into four parts and in addition has three appendices.
Part I covers the calculation of the stresses in bridge trusses and in bridge portals and other details. Both algebraic and graphic methods of calculating stresses in bridge trusses are described in detail. Stresses are calculated in bridge trusses for both equal joint loads and for wheel concentrations. Chapter VII contains the solutions of 27 problems in the calculation of stresses in bridge trusses. Influence diagrams are developed for girders and trusses in this chapter. Part I covers the first course in the calculation of stresses in bridges given in the author's classes.
Part II covers the design of steel and timber highway bridges. The design of steel highway bridges is divided into beam bridges, low truss bridges, plate girder bridges and high truss bridges. The design of bridge floors is considered in detail, and data are given for the design of steel highway bridges. The chapter on timber bridges includes timber trestles as well as timber truss bridges. The design of a beam bridge, a plate girder bridge, a low truss bridge and a high truss bridge are worked out in detail.
Part III covers the design of reinforced concrete highway bridges and foundations. The formulas for calculating the stresses in reinforced concrete structures are developed. The different types of reinforced concrete beam, girder, arch and reinforced concrete trestle bridges are discussed, and working plans are given for all types. Designs of the different types of bridge are worked out in detail. Algebraic and graphic solutions are given for the elastic arch. An influence diagram solution is also given for the elastic arch. Abutments and piers for steel and concrete bridges are discussed and many examples of structures are given. The different types of culverts are described in detail with examples of plans. The overflow bridge, which has been developed to meet a special need in localities subject to excessive flood flow, is described and examples are given.
Part IV covers the details of bridge design, bridge contracting, estimates and costs, and bridge erection and construction. The discussion in Part IV together with Appendix I, “General Specifications for Steel Highway Bridges," and Appendix II, "General Specifications for Concrete Bridges and Foundations," covers in detail the design and erection of steel and concrete highway bridges. Structural tables of especial value in the design of steel highway bridges are given in Appendix III.