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This page was last edited on 16 February 2024, at 23:01 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
The record for the largest continuously placed underwater concrete pour was completed 18 October 2010, in New Orleans, Louisiana by contractor C. J. Mahan Construction Company, LLC of Grove City, Ohio. The placement consisted of 10,251 cubic yards of concrete placed in 58.5 hours using two concrete pumps and two dedicated concrete batch plants.
It is the largest domestic contractor in the United States as of 2020, [3] with a revenue of $14.41 billion in 2020. [1] Turner Construction was founded in New York City in 1902 by Henry Chandlee Turner. Its first project was a $690 concrete vault in Brooklyn, followed by concrete staircases for the New York City Subway. By the late 1920s ...
When water is mixed with portland cement, the product sets in a few hours and hardens over a period of weeks. These processes can vary widely, depending upon the mix used and the conditions of curing of the product, [18] but a typical concrete sets in about 6 hours and develops a compressive strength of 8 MPa in 24 hours. The strength rises to ...
In 1990, Ivan Crossland Sr., diagnosed with cancer, began to train his six sons to take over the company. While still chief executive officer, Crossland Sr. launched Crossland Heavy Contractors with the help of his sons in 1993. Crossland Heavy Contractors is ranked among the top 100 environmental firms in the United States.
Clintonville is a suburban neighborhood in north-central Columbus, Ohio, United States with around 30,000 residents. [1] Its borders, associated with the Clintonville Area Commission, are the Olentangy River on the west, Glen Echo Creek to the south, a set of railroad tracks to the east, and on the north by the Worthington city limits.
A pervious concrete street in 2005. Pervious concrete (also called porous concrete, permeable concrete, no fines concrete and porous pavement) is a special type of concrete with a high porosity used for concrete flatwork applications that allows water from precipitation and other sources to pass directly through, thereby reducing the runoff from a site and allowing groundwater recharge.
Bexley was named at the suggestion of an early resident, Col. Lincoln Kilbourne, in honor of his family's roots in Bexley, in London, England.The village of Bexley was incorporated in 1908 when prominent citizens of Bullitt Park to the north along Alum Creek, including industrialist and 35th mayor of Columbus Robert H. Jeffrey, agreed to merge with the Lutheran community of Pleasant Ridge to ...