🚜 FHWA GEC 7 Soil Nail Walls (1"-1.5" Threadbar, 20-30 ft), 4" Reinforced Shotcrete

Soil Nail Retaining Wall Calculator

Size permanent and temporary top-down soil nail retaining walls under FHWA GEC 7 & AASHTO: calculate drill hole grout-to-ground bond pullout adhesion (lbs/ft), Grade 75/150 epoxy-coated steel threadbar nail spacing (4'x4' to 6'x6' grid), 4" wire-mesh reinforced structural shotcrete facing, and specialty geotechnical margins.

1. Project & Operating Inputs

Soil Nail Retaining Wall Area (Square Feet e.g. 14,000 Sq Ft Wall)

Wall Height (Feet e.g. 24.0 ft Deep Top-Down Cut)

Customer Invoiced Bid Price ($ / Sq Ft of Wall e.g. $65.00/SqFt)

Epoxy Threadbars, Neat Grout, 4" Shotcrete, Geocomposite Drain & Crew ($)

2. Financial Breakdown & Yield

FHWA SOIL NAIL WALL SIZING

Turnkey Soil Nail Wall Profit

Earth Retention Contractor Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost