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CTLGroup
CTLGroup is an engineering, architecture, and materials science firm that provides engineering, testing and scientific services in the following markets: Building & Facilities; Emergent Solutions; Energy & Resources; Litigation & Insurance; Materials & Products; and Transportation. Its staff includes professionals from the fields of civil, structural, mechanical engineering, architecture, geology, chemistry, ceramics and materials science. Serving clients from around the globe, CTLGroup maintains corporate offices and laboratories in Chicago (Skokie, Illinois) and Doha, State of Qatar and consulting offices in New York City, New York; Austin, TX; Bradenton, FL; and Washington, DC. Services for clients in New York, Michigan, and North Carolina are provided through CTL Engineers & Construction Technology Consultants. Background CTLGroup began in 1916 as the research and development laboratory for the Portland Cement Association (PCA), which had recently moved to Chicago. The PCA wa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Burj Khalifa
The Burj Khalifa (known as the Burj Dubai prior to its inauguration) is a megatall skyscraper in Dubai, United Arab Emirates. With a total height of 829.8 m (2,722 ft, or just over half a mile) and a roof height (excluding the antenna, but including a 242.6 m spire) of 828 m (2,717 ft), it is the list of tallest structures in the world, world's tallest structure. And it has also held the record of the List of tallest buildings and structures, tallest building in the world since its topping out in 2009, surpassing the Taipei 101, who was the holder of that status since 2004. Construction of the Burj Khalifa began in 2004, with the exterior completed five years later in 2009. The primary structure is reinforced concrete and some of the structural steel for the building originated from the Palace of the Republic, Berlin, Palace of the Republic in East Berlin, the seat of the former Volkskammer, East German parliament. The building was opened in 2010 as part of a new development c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Collapse Of The World Trade Center
The World Trade Center in Lower Manhattan, New York City, was destroyed on September 11, 2001, as a result of al-Qaeda's terror attacks. Two commercial airliners hijacked by terrorists were deliberately flown into the Twin Towers of the complex, resulting in a total progressive collapse that killed almost 3,000 people. It was the deadliest and costliest building collapse in history. The North Tower (WTC 1) was the first building to be hit when American Airlines Flight 11 crashed into it at 8:46 a.m., causing it to collapse at 10:28 a.m. after burning for one hour and 42 minutes. At 9:03 a.m., the South Tower (WTC 2) was struck by United Airlines Flight 175; it collapsed at 9:59 a.m. after burning for 56 minutes. The towers' destruction caused major devastation throughout Lower Manhattan, and more than a dozen adjacent and nearby structures were damaged or destroyed by debris from the plane impacts or the collapses. Four of the five remaining World Tra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Austin, TX
Austin ( ) is the List of capitals in the United States, capital city of the U.S. state of Texas. It is the county seat and most populous city of Travis County, Texas, Travis County, with portions extending into Hays County, Texas, Hays and Williamson County, Texas, Williamson counties. Incorporated on December 27, 1839, it is the Metropolitan statistical area, 26th-largest metropolitan area in the United States, the List of United States cities by population, 13th-most populous city in the United States, the List of cities in Texas by population, fifth-most populous city in the state after Houston, San Antonio, Dallas, and Fort Worth, and the second-most populous state capital city after Phoenix, Arizona. It has been one of the fastest growing large cities in the United States since 2010. Downtown Austin and Downtown San Antonio are approximately apart, and both fall along the Interstate 35 in Texas, I-35 corridor. This combined metropolitan region of San Antonio–Austin met ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pentominium
The Pentominium was a planned 122-storey, supertall skyscraper located in Dubai, United Arab Emirates. Construction on the tower was halted in August 2011. It was designed by Andrew Bromberg of architects Aedas and funded by Trident International Holdings. The AED 1.46 billion (US$400 million) construction contract was awarded to Arabian Construction Company (ACC). Construction started on 26 July 2008. Before construction stopped, the building was expected to be completed in 2013. By May 2011, 22 floors had been completed. However, in August 2011, construction stopped after Trident International Holdings fell behind on payments for a US$20.4 million loan following the Great Recession. Had the project been completed as scheduled, the Pentominium would have been the second tallest building in Dubai after Burj Khalifa and the tallest residential building in the world, surpassing the Central Park Tower in New York City. Six Senses Residences Dubai Marina After being abandoned f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
One World Trade Center
One World Trade Center, also known as One WTC and as the Freedom Tower, is the main building of the rebuilt World Trade Center complex in Lower Manhattan, New York City. Designed by David Childs of Skidmore, Owings & Merrill, One World Trade Center is the tallest building in the United States, the tallest building in the Western Hemisphere, and the seventh-tallest in the world. The supertall structure has the same name as the North Tower of the original World Trade Center, which was destroyed in the terrorist attacks of September 11, 2001. The new skyscraper stands on the northwest corner of the World Trade Center site, on the site of the original 6 World Trade Center. It is bounded by West Street to the west, Vesey Street to the north, Fulton Street to the south, and Washington Street to the east. The construction of below-ground utility relocations, footings, and foundations for the new building began on April 27, 2006. One World Trade Center became the tal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Al Hamra Tower
The Al Hamra Tower is a skyscraper in Kuwait City, Kuwait. It is the tallest building in Kuwait. Construction of the skyscraper started in 2005. It was completed in 2011. Designed by architectural firms Skidmore, Owings & Merrill and Ramshir and Callison, it is the tallest curved concrete skyscraper in the world, and the thirty-sixth tallest building in the world at . Profile The building utilizes wrapped glass on the east, north, and west both for aesthetics and to reduce the amount of reflective surface area on the south facade, which also features brushed Jura limestone. Flared walls reaching from the southwest and southeast corners of the core span the entire height of the tower, and there is a column-free 24-meter-tall lobby. The Tower also Includes a restaurant called Francesca's or known as At The Top by the restaurant themselves. The landscape was designed by Francis Landscapes. The tower was included in the list of the best inventions of 2011 by ''Time'' magazine. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trump International Hotel And Tower (Chicago)
The Trump International Hotel and Tower is a skyscraper condo-hotel in the Near North Side, Chicago, Near North Side community area in downtown Chicago, Illinois. The building, named for Donald Trump, was designed by architect Adrian Smith (architect), Adrian Smith of Skidmore, Owings and Merrill. Bovis Lend Lease built the 100-story structure, which reaches a height of including its spire, its roof topping out at . It is next to the main branch of the Chicago River, with a view of the entry to Lake Michigan beyond a series of bridges over the river. The building received publicity when the winner of the The Apprentice (American season 1), first season of ''The Apprentice'' reality television show, Bill Rancic, chose to manage the construction of the tower over managing a Rancho Palos Verdes, California, Rancho Palos Verdes–based Trump National Golf Course & Resort in the Los Angeles metro area. Trump announced in 2001 that the skyscraper would become the List of tallest bui ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Supertall Building
According to the CTBUH, a supertall building is defined as a building between in height. The city with the most supertall buildings is Dubai at 33 entries, followed by Shenzhen and New York City with 21 and 19 supertall buildings respectively. China is the country with the most supertall buildings at 120 entries, followed by the United Arab Emirates and the United States with 37 and 31 supertall buildings respectively. , there are 71 cities across the world with at least one supertall building, and 249 completed supertall buildings in the world. History The first supertall skyscraper to be completed was the Chrysler Building in New York City in 1930, which was tall. This was followed a year later by the Empire State Building, which rose to a height of . No supertall buildings would be constructed for 38 years until the completion of the John Hancock Center in Chicago in 1969. The John Hancock Center was the first supertall to be built outside New York City. Supertalls re ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stonecutters Bridge
Stonecutters Bridge is a high level cable-stayed bridge spanning the Rambler Channel in Hong Kong, connecting Nam Wan Kok, Tsing Yi to Stonecutters Island. The bridge deck was completed on 7 April 2009, and opened to traffic on 20 December that year. The bridge was the second-longest cable-stayed span in the world at the time of its completion. The approaches at Tsing Yi and Stonecutters Island are located near Container Terminal 9 and Container Terminal 8, respectively. The bridge is part of Hong Kong's Route 8, connecting Sha Tin, Cheung Sha Wan, Tsing Yi island, Ma Wan and Lantau Island. Other major constructions along the route are Nam Wan Tunnel (completed in 2008), Eagle's Nest Tunnel (completed in 2008), Sha Tin Heights Tunnel (completed in 2008), Tsing Ma Bridge (completed in 1997) and Kap Shui Mun Bridge (completed in 1997). Honors Upon its completion, Stonecutters Bridge won the 2009 Tanaka Award sponsored by the Japan Society of Civil Engineers. The S ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Portland Cement
Portland cement is the most common type of cement in general use around the world as a basic ingredient of concrete, mortar (masonry), mortar, stucco, and non-specialty grout. It was developed from other types of hydraulic lime in England in the early 19th century by Joseph Aspdin, and is usually made from limestone. It is a fine powder (substance), powder, produced by heating limestone and clay minerals in a kiln to form Clinker (cement), clinker, and then #Cement grinding, grinding the clinker with the addition of several percent (often around 5%) gypsum. Several types of portland cement are available. The most common, historically called ordinary portland cement (OPC), is grey, but white portland cement is also available. The cement was so named by Joseph Aspdin, who obtained a patent for it in 1824, because, once hardened, it resembled the fine, pale limestone known as Portland stone, quarried from the windswept cliffs of the Isle of Portland in Dorset. Portland stone was p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
