Around here, the backfill consists of the spoil resulting from the excavated lift (normally 4 feet or less in height) that is then manually tossed back behind the lagging with shovels as the lagging is placed. I suppose the degree to which the void is filled depends upon the dedication of the...
How common is long-term settlement above the line of soldier pile and wood lagging supported walls? In several instances I have observed a narrow but deep trough of settlement that forms years after the cut-and cover structure has been back filled. These were support-of-excavation walls where...
