Permanent Soil Nail Wall

Owner – RDU Airport Authority

General Contractor – Archer Western Contractors

Description
Originally designed as temporary anchored soldier piles, Subsurface saved the client time and money by designing a permanent soil nail wall. This reduced the backfill pressure, allowing for the elimination of below grade concrete struts and above grade struts across the tunnel.

31,000 sf of permanent soil nail wall

2-sided excavation, 756 ft in length

Design life of 75 years