A retaining wall system for use in retaining a backfill particulate mass is formed by at least one retaining wall unit. The retaining wall unit has a substantially upright forward wall having a rear surface for abutting against the backfill particulate mass. A substantially upright stem wall extends rearward from the rear surface of the forward wall. The stem wall has opposite substantially upright sidewalls. At least one of the sidewalls has a series of longitudinally spaced apart elongated grooves that slope upward toward the forward wall.
申请公布号
US2012177450(A1)
申请公布日期
2012.07.12
申请号
US20110985778
申请日期
2011.01.06
申请人
PHILLIPS FRANCIS X.;PHILLIPS GAIL E.;WATKINS WILLIAM R.;T-LOCK LIMITED LIABILITY COMPANY
发明人
PHILLIPS FRANCIS X.;PHILLIPS GAIL E.;WATKINS WILLIAM R.