tie piece

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Related to tie piece: tie clip

tie beam

1. On individual pile caps or spread footings which are eccentrically loaded, a beam (usually of reinforced concrete) used to distribute horizontal forces to other pile caps or footings; a strap, 2.
2. In roof framing, a horizontal timber connecting two opposite rafters at their lower ends to prevent them from spreading; also see collar beam.
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I've received confirmation that to date almost 18 miles of riverbanks have been cleared of more than 36,000 relic tie pieces, all of which have been shipped to the Midwest for recycling.