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Culverts can be constructed of a variety of materials including cast-in-place or precast concrete (reinforced or non-reinforced), galvanized steel, aluminum, or plastic (typically high-density polyethylene). Two or more materials may be combined to form composite structures. For example, open-bottom corrugated steel structures are often built ...
Precast concrete is a construction product produced by casting concrete in a reusable mold or "form" which is then cured in a controlled environment, transported to the construction site and maneuvered into place; examples include precast beams, and wall panels, floors, roofs, and piles.
The St. Alban's Bay Culvert is a historic bridge in Garrison Township, Minnesota, United States. It carries the four-lane U.S. Route 169 (US 169) over the head of a stream flowing out of Mille Lacs Lake. It was built from 1938 to 1939 as part of a major New Deal project to create a scenic parkway along the lakeshore.
Headwall and corrie lake Cwm Idwal. In physical geography and geology, the headwall of a glacial cirque is its highest cliff.The term has been more broadly used to describe similar geomorphic features of non-glacial origin consisting of a concave depression with convergent slopes typically of 65 percent or greater forming the upper end of a drainage valley.
Studcast walls are prefabricated, ready-to-erect, high-performance concrete walls that weigh half as much as standard concrete walls. A hybrid between architectural precast concrete and panelized light-gage cold-formed steel framing, studcast walls combine the best features of each material in a way nullifies each material's weaknesses.
Concrete will need to be poured to surround the trench drain so that the load can be transferred from the channel and grate to the surrounding areas. Pre-cast trench drains generally come in 4-inch (100 mm) widths but can range anywhere from a 1.75-inch (44 mm) slot to 2-inch (51 mm) wide channels with grates, and up to any size imaginable ...
Cantilevered retaining walls are made from an internal stem of steel-reinforced, cast-in-place concrete or mortared masonry (often in the shape of an inverted T). These walls cantilever loads (like a beam ) to a large, structural footing, converting horizontal pressures from behind the wall to vertical pressures on the ground below.
Since the height of the barrier can only be adjusted through the addition and removal of stoplogs, finding a lighter and stronger material other than wood or concrete became a more desirable choice. [2] Other materials, including steel and composites, can be used as stoplogs as well.