Not worth pointing out. What's concrete fill going to do? The beam is not going anywhere (if it does there's much bigger concerns at issue). Not much different than loose bolts and and nuts at the beam/column connections - a none-issue with me. I've seen a lot of things in a basement/crawl that have moved over time but never, ever a beam that was properly supported. There's just too much weight on it for it to shift.

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Eric Barker
Moraine Woods Consulting, Inc.
Barrington, IL