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In 2005, Vulcan acquired 11 aggregates operations and five asphalt plants in Arizona, Georgia, Indiana and Tennessee. On February 19, 2007, Vulcan announced that it would buy stone and cement producer Florida Rock Industries for $4.7 billion. [6] [7] Vulcan completed the acquisition of Florida Rock on November 16, 2007. [8]
In February 2015, Lafarge announced it had reached an agreement to sell the company to CRH plc, with the exception of its Cauldon cement plant. [12] Anglo American sold its 50% stake to Lafarge first, [13] for £992 million ($1.55 billion), [14] in order to allow CRH to buy the complete business. CRH completed the purchase in August 2015. [15]
Mastic asphalt is a type of asphalt that differs from dense graded asphalt (asphalt concrete) in that it has a higher bitumen content, usually around 7–10% of the whole aggregate mix, as opposed to rolled asphalt concrete, which has only around 5% asphalt. This thermoplastic substance is widely used in the building industry for waterproofing ...
Rubberized asphalt concrete (RAC), also known as asphalt rubber or just rubberized asphalt, is noise reducing pavement material that consists of regular asphalt concrete mixed with crumb rubber made from recycled tires. Asphalt rubber is the largest single market for ground rubber in the United States, consuming an estimated 220,000,000 pounds ...
Austroads (2002) Asphalt Guide AP−G666/02; Austroads (2003) Selection and Design of Asphalt Mixes: Australian Provisional Guide. APRG Report 18. ARRB Transport Research; Austroads (2003) Guide to the selection of road surfacings, AP−G63/03; National Asphalt Pavement Association (1999) Designing and Constructing SMA Mixtures — State-of-the ...
Teichert, a private company, is an infrastructure and site development contractor and a construction materials producer. The company's construction services include mass grading, asphalt paving, concrete curbs and sidewalks, underground pipelines, and joint utility installations.
Cold mix asphalt is often used on lower-volume rural roads, where hot mix asphalt would cool too much on the long trip from the asphalt plant to the construction site. [18] An asphalt concrete surface will generally be constructed for high-volume primary highways having an average annual daily traffic load greater than 1,200 vehicles per day. [19]
Pima County, one of the four original counties in Arizona, was created by the 1st Arizona Territorial Legislature with land acquired through the Gadsden Purchase from Mexico in 1853. The original county consisted of all of Arizona Territory east of longitude 113° 20' and south of the Gila River . [ 3 ]