Construction During Medieval Times
During the English Middle Ages bridge building was a booming activity. Groups of piles, usually made of elm or oak were driven together into the soil. The pile hammer was a construction that allowed a heavy weight to fall on the top of the pile. Each pile wore a "pile shoe" tip made of iron. A group so hammered was called a "straddle" and atop as well as surrounding the straddle was a pile supported platform called a "starling" which was filled with rubble before the pier and bridge deck were added.
Read more about this topic: Pile Bridge
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