construction of reinforced concrete retaining wall with buttress

architectural architecture armature background bar bars brick brown building business buttress cabin civil compression concrete construction container counterweight crane development eco engineering equipment ferroconcrete formwork gray grid high house industrial industry iron machine machinery masonry material mesh metal nobody nopeople outdoors portable project rebar rebars red reinforce reinforced reinforcement reinforcing retaining rod rusty safety site sky slab steel strength strong structure support system tall technology tensile tension tower tree wall white winter wire wires