prestressed concrete beam
31Miller Creek (Marin County, California) — Coordinates: 38°1′53″N 122°29′54″W / 38.03139°N 122.49833°W / 38.03139; 122.49833 …
32Rebar — This article is about reinforcing bar. For the company, see Rebar (Taiwan). For the art group, see Rebar art and design studio. A tied rebar beam cage. This will be embedded inside cast concrete to increase the tensile strength of the concrete. A …
33Railroad tie — While wooden ties dominate North American railways, concrete is widely used in other parts of the world. A railroad tie/railway tie (North America), or railway sleeper (Europe) is a rectangular item used to support the rails in railroad tracks.… …
34Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign — Department of Civil and Environmental Engineering University of Illinois at Urbana Champaign Newmark Civil Engineering Laboratory …
35Hollow-core slab — A hollow core slab , also known as a voided slab ( de. Hohlkörperplatte, nl. Kanaalplaat or Welfsel, sv. hålplatta, fi. ontelolaatta) is a prefabricated slab of prestressed concrete typically used in the construction of floors in multi story… …
36River Torrens — Infobox River river name = River Torrens caption = View of Elder Park and Riverside Precinct from Torrens Lake. origin = Mount Pleasant, Mount Lofty Ranges mouth = Gulf Saint Vincent at Henley Beach South basin countries = length = 85 kilometres… …
37Dry Creek (Sonoma County, California) — Coordinates: 38°35′10″N 122°51′26″W / 38.58611°N 122.85722°W / 38.58611; 122.85722 …
38Truss — For other uses, see Truss (disambiguation). In architecture and structural engineering, a truss is a structure comprising one or more triangular units constructed with straight members whose ends are connected at joints referred to as nodes.… …
39London Bridge — a bridge across the River Thames in London, England, connecting the ancient centre of the city to the district of Southwark. Until 1750 it was the only bridge crossing the Thames in London. The present bridge, built in 1973, replaced one that was …
40St. Johns River Veterans Memorial Bridge — Infobox Bridge bridge name=St. Johns River Bridge (old) official name=? locale=near Sanford, Florida carries=4 general purpose lanes|crosses=St. Johns River at Lake Monroe and US 17/US 92 (SR 15/SR 600) id=790940 maint=Florida Department of… …
