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George Bartholomew was an American inventor who is credited with the invention of concrete pavement. In 1886, Bartholomew moved to Bellefontaine, Ohio, after having learned about cement production. Bartholomew found a good source of limestone and clay in the area; from this, he hoped to create an artificial stone for paving.
Monument of George Bartholomew on Court Avenue. In recent years, Court Avenue has been the center of various historic preservation efforts. The street was the focus of a centenary celebration in 1991: a monument of Bartholomew was placed at the western end of the street, both to honor the pioneer and to close the street to motor vehicles, and the street was turned into a pedestrian mall. [3]
Prior to 1902, the tallest reinforced concrete structure in the world was only six stories high. Since concrete possesses very low tensile (pulling) strength, many people from both the public and the engineering community believed that a concrete tower as tall as the plan for the Ingalls Building would collapse under wind loads or even its own weight.
The main components are housed below the road or pedestrian surface (typically a concrete surface) so that if a vehicle strikes the traffic bollard the parts below the surface are not damaged. In addition, most new modern traffic bollards installed along UK roadways today are made of materials that make them completely collapsible.
Pages in category "Concrete bridges in Ohio" The following 2 pages are in this category, out of 2 total. This list may not reflect recent changes. B.
Twin electric pumps pushed concrete through the pipe at 3,000 pounds (1,400 kg) per 1-square-inch (6.5 cm 2). The pipe could pour 60 to 65 cubic yards (46 to 50 m 3) of concrete per hour. [120] Metal cables running through the still-liquid concrete were vibrated to ensure a flush fit against previously poured concrete and to eliminate voids. [75]
The largest solar energy farm in Ohio covers 80 acres (320,000 m 2) adjacent to the Wyandot County Airport. It has 159,000 ground-mounted solar panels, and can produce 12 megawatts. It was inaugurated on August 19, 2010, with Governor Ted Strickland. [18] [19] It was developed by PSEG Energy. [20]
Field of Corn (with Osage Orange Trees) is a publicly-funded art installation in the city of Dublin, Ohio.The installation consists of 109 concrete ears of corn positioned in rows and standing upright in a grassy field.
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