Tolerances on hot-rolled steel members include permissible variations in the mass, area, length, cross-sectional dimensions (depth and flange width), straightness (camber and sweep), and other geometric properties. Manufacturing tolerances are given in CSA Standard G40.20, which in turn refers to ASTM A6/A6M for structural shapes. A summary of the basic tolerances can be found on pages [...]
One of the more innocuous changes in the 11th edition of the Handbook of Steel Construction is the updating of detailing dimensions in Part 6. As shown on the figure below, k and k1 depend not only on the flange and web thicknesses, respectively, but also on the radius of the round flange-to-web fillet, r. Since [...]
The question of galvanic corrosion can arise when dissimilar metals, or different methods of corrosion protection (such as galvanized bolts and weathering steel), come into contact. One example application involves galvanized bolts and angles supporting conduits on a bridge made of 350A (atmospheric corrosion-resistant, weldable) steel or its notch-tough counterpart, 350AT steel. Can galvanized high-strength ASTM [...]
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Users of the first and second printings of the Handbook of Steel Construction, 11th edition, have two options for updating their Handbook: Revisions List No. 2 - 4 October 2017 is a free download which includes the revisions incorporated into the 3rd Revised Printing of the Handbook. A number of tables and pages were substantially updated [...]
CISC has recently launched its new eBook Portal. Users may now purchase publications in electronic format. The three titles currently available are: ▪ Handbook Updates with Revised Tables – 2017 ▪ Single-Storey Building Design ▪ Steel Bridges – Design, Fabrication, Construction Please note that eBooks can only be viewed in Windows. Users may print one copy [...]
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CISC Alberta region held their new format regional meeting which included a special technical presentation on intumescent coatings by George Guanci of CISC Associate Sherwin Williams. Additional items covered in the meeting included the Introduction of the GL Kulak Scholarship co-recipients Daniel Unsworth and Dimple Ji featured with Jason Collins and Dr. Robert Driver of University [...]