GROUND CONTROL

UMA preserves vital retaining wall structures for US bridge demolition

UMA Geotechnical Construction, a North Carolina, US-based geotechnical contractor serving the Mid-Atlantic region, this past May helped its customer avoid failure of retaining wall structures during the demolition of a bridge spanning Blanket Creek in the Winston-Salem area.

 UMA used duplex drilling to advance both casing and drill steel into each hole simultaneously to keep them from collapsing at a ground anchoring project in the Winston-Salem area

UMA used duplex drilling to advance both casing and drill steel into each hole simultaneously to keep them from collapsing at a ground anchoring project in the Winston-Salem area

UMA, under its subcontract with Kernersville, North Carolina-based National Bridge Builders, installed 14 ground anchors on the two retaining walls that were being held in place by the span that was to...

Start a free trial to continue reading this article
Already have an account?  
Subscribe now