The theory and practice of modern framed structures : designed for the use of schools, and for engineers in professional practice (1897)
Johnson, J. B. (John Butler), 1850-1902, Bryan, C. W. (Charles Walter), 1863-1927, Turneaure, Frederick Eugene, 1886- · New York : J. Wiley & Sons · leaf 544
d is braced crosswisewith one system of bracing, that system should be midway between the ends of the buildings,and if two systems are used they should be equidistant from the ends, the exact distance * This formula was added by Prof. Johnson in the fourth edition of this work. 4*54 MODERN FRAMED… … r ^ \ / \ / r \ \ / \ / r ^ \ / \ / \ / \ / Fig. 444. Fig. 444 shows in outline several ways in which such a system of bracing may be con-structed. Horizontal lines indicate floors, and vertical lines indicate columns. It is obviousthat both the horizontal iron-work and the columns must do a good…