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8110 Retaining walls (9)
8111 In situ concrete footings and site retaining walls (4)
Site retaining walls of in situ concrete, including formwork and reinforcing
8112 Concrete segmental dry stack retaining walls (6)
Site retaining walls of hollow concrete blocks dry laid (no mortar) in courses to form retaining walls. Blocks have built in interlocking shear connectors or separate pin (or similar) shear connectors. Depending on design and height, core filling may be required. Filling could be low strength concrete or other material.
8113 Concrete crib retaining walls (4)
Retaining walls of precast concrete crib wall units and shaped block retaining wall units
8114 Concrete masonry retaining walls (0)
Site retaining walls of hollow concrete blocks laid in courses on a mortar bed to form retaining walls
8115 Concrete pile retaining walls (0)
Site retaining walls constructed with concrete piles, installed to provide a continuous wall surface or installed at intervals with steel or timber lagging between uprights to retain the material to be supported
8116 Precast concrete retaining walls (1)
Site retaining walls constructed with precast concrete, piles, panels and pile/panel combinations, installed to provide a continuous wall surface or installed at intervals with precast, steel or timber lagging between uprights to retain the material to be supported
8118 Sprayed concrete retaining walls (0)
Site retaining walls constructed with sprayed concrete applied pneumatically and compacted dynamically under high velocity, over; bare ground, formwork, reinforcing, spaced piles.
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