REINFORCED EARTH PRECAST FACING

High Adherence Reinforcing Strips
The reinforcing strips used by The Reinforced Earth Company are S355JR steel strips with a minimum ultimate tensile strength (UTS) of 510N/mm2, complying with the requirements of BS EN 10025. Hot-dip galvanized to BS EN ISO 1461. The strips have a ribbed profile which enhances the adherence of the strip when placed within a compacted granular fill. The apparent coefficient of friction m*, between the fill and the strip is usually estimated from the current BBA Certificate No. 99/R106. Taking account of the sacrificial thickness, the manufacturing tolerances and partial safety factors, the design strength of each strip type is:
     50mm x 4mm (HA)      37.1kN (main body)                   25.9kN (connection)
     45mm x 5mm (HAR)   46.7kN (main body)                   46.7kN (connection)
These design capacities are referred to in the Roads & Bridges Agrément Certificate No.99/R106, issued by the BBA for structures designed to BD70/03.
Precast concrete facing panels
     Size: standard panel dimensions are 1.5m x 1.5m nominal
     Thickness: 140mm TerraClass™. 160mm TerraQuad
     Mass: 1200 kg (maximum)

Panel Lugs
The panel lugs used by The Reinforced Earth Company are S355JR steel lugs with a minimum ultimate tensile strength (UTS) of 510N/mm2, complying with the requirements of BS EN 10025. Hot-dip galvanized to BS EN ISO 1461.
Taking account of the sacrificial thickness, the manufacturing tolerances and partial safety factors, the design strength of each lug is:  45mm x 4mm       42.2kN (connection)
These design capacities are referred to in the Roads & Bridges Agrément Certificate No.99/R106, issued by the BBA for structures designed to BD70/03.
Fasteners
Bolts: 12mm grade 10.9 to BS 3692 or BS EN ISO 4014 grade A and BS EN ISO 898-1. Hot-dip galvanized to BS EN ISO 1461
Nuts: 12mm grade 8 to BS 3692 or BS EN ISO 4032, style 1, grade A and BS EN 20898-2. Hot-dip galvanized to BS EN ISO 1461
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