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We have a D-B contract with a large multinational consultant and process equipment vendor. We have to provide the foundation design for their process equipment on the barge already. We asked them for environmental load data they used, equipment loads and anchorage results, you know, just to make...

20-foot bays, 16-foot spans, 2T monorail supported mid-span running down bays. W10 beams on 6" Std pipe posts 16-feet height, with semi-fixed shallow auger-cast footings and single-angle knee braces down 19% of way (e.g. ~4.2-feet in length). C8x11.5 spandrels bay-to-bay above posts, also...

Read AISC 341-5 Table I-8-1 for flexure and compression flanges of rolled W shapes, they are limited to "b/t < 0.30 sqrt(E/Fy)" which for A990 W-shapes is "b/t" < 7.22. Is there a typo and errata to AISC 341-5 somewhere, and they meant to use AISC's typical Compact Section Criteria "b/2t"...

Interior long-span glulam beam supported only at ends, and supporting a rolling swaying divider wall which bunches up at one end, ... what is the requirement for intermediate lateral bracing? There's nothing in APA or AITC that I can find, and it's limited by deflection, so is not anywhere near...

I have modeled an open top tank as square plates of concrete material plates filled with water and ran the stress contours: http://i42.tinypic.com/2sb7uwz.jpg Then I took that model and meshed it up into a much larger model with smaller quadrilateral plates (finite elements)...