STRUCTURAL ENGINEERS' HANDBOOK 



PART II. 

 STRUCTURAL TABLES. 



Introduction. The tables, in Part II include the properties of simple rolled sections; the 

 properties of compound sections; the properties of built-up sections for columns, struts and 

 chords; safe loads for angles, beams and channels, and of angle struts; properties of rivets and 

 riveted joints, and miscellaneous data for structural design. It has been the aim to give tables 

 and data that will be of use to the designing engineer and to the student in the designing room 

 rather than to give safe loads, stresses and other predigested data that may be used by the novice. 

 To this end properties of sections are given while safe loads for columns and chords have been 

 omitted. Tables of trigonometric functions and logarithms and other tables that are readily 

 available have not been included. The tables are arranged so that each page is self-contained 

 and self-explanatory. In the tables the properties of rolled sections are grouped together for ease 

 in reference, and are followed by properties of built-up sections. The tables in Part II are num- 

 bered in Arabic numerals. 



Original Tables. Tables 3, 4, 5, 13, 19, 20, 21, 22, 32, 33, 34, 35, 36, 37, 38, 39, 40, 56, 57, 

 58, 59, 6<\ 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 78, 79, 80, 81, 82, 83, 84, 85, 86, 

 87, 134, 135 and 136, covering 136 pages, were calculated especially for this book. The tables 

 have been calculated and checked with great care and are believed to be accurate. These tables 

 are fully protected by copyright and are not to be copied without permission from the author. 



The properties of compound sections consisting of two or four angles or of two channels, 

 placed in different relative positions, may be used in designing struts, columns or chords where 

 the sections are held together by means of lacing and tie plates; or the properties of built-up 

 sections may be obtained by combining the moments of inertia of the compound sections and the 

 moments of inertia of one or two plates in the proper relative positions. The built-up sections 

 are all designed to comply with standard specifications and with the standards of the American 

 Bridge Co. for rivet spacing and structural details. To illustrate the use of the tables of compound 

 sections in building up struts, columns and chords, a one page table is given for each built-up 

 section in common use, in which the properties for the usual proportions are given and the methods 

 for calculating additional values by using the key tables of compound sections are given. The 

 method of calculating the properties of built-up sections by using the moments of inertia of com- 

 pound sections is shown in Table I. 



STANDARD TABLES. The other tables in Part II have been taken from Carnegie Steel 

 Company's "Pocket Companion," Cambria "Steel," American Bridge Company's "Book of 

 Standards," and other sources to which credit has been given. Many of the copied tables have been 

 rearranged and extended. The properties of I-Beams in Table 7, properties of channels in Table 

 14, and properties of angles in Table 23 and Table 24 were taken from American Bridge Com- 

 pany's " Book of Standards," but have been checked with the recent edition of Carntgie's " Pocket 

 Companion." 



