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Nipigon River Bridge
The Nipigon River Bridge is a cable-stayed bridge in Canada carrying Highway 11 and Highway 17, designated as part of the Trans-Canada Highway, across the Nipigon River near Nipigon, Ontario. History A steel deck truss road bridge was built at the site in 1937, parallel to an existing Canadian Pacific Railway bridge. In 1974, the original bridge was replaced with a steel plate girder structure. The 1974 bridge was rehabilitated in the mid-2000s, which involved replacing the old Jersey-style concrete parapets with steel guardrail which offers a less obstructed view of the river, and adding a pedestrian walkway on the north side of the structure. The 1974 bridge was demolished by Priestly Demolition from 2015 to 2016, to make way for the second span of the new cable-stayed bridge (see below). The dismantling project won two honours at the 2016 World Demolition Awards, the Civils Demolition Award and the top prize which was the World Demolition Award, as " turns out th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nipigon River
The Nipigon River is located in Thunder Bay District in Northwestern Ontario, Canada. The river is about long (or when measured to the head of Ombabika River) and , and flows from Lake Nipigon to Nipigon Bay on Lake Superior at the community of Red Rock, dropping from an elevation of . It is the largest tributary of Lake Superior. Since 1943, of the Ogoki River basin has been diverted to the headwaters of the Little Jackfish River, a tributary of Lake Nipigon. This diversion increases the size of the river's watershed by almost 60% to , and contributes an average of about to the Nipigon River. This increased flow has caused significant erosion and landslides along the river. History The Nipigon River was formerly known for the size and quantity of the brook trout that were to be found there. However, four dams built on the Nipigon led to a major decline in their population. The four dams are as follows: * Cameron Falls Dam built in 1918 * Virgin Falls Dam built in 1925 * ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Expansion Joint
A expansion joint, or movement joint, is an assembly designed to hold parts together while safely absorbing temperature-induced expansion and contraction of building materials. They are commonly found between sections of buildings, bridges, sidewalks, railway tracks, piping systems, ships, and other structures. Building faces, concrete slabs, and pipelines expand and contract due to warming and cooling from seasonal variation, or due to other heat sources. Before expansion joint gaps were built into these structures, they would crack under the stress induced. Bridge expansion joints Bridge expansion joints are designed to allow for continuous traffic between structures while accommodating movement, shrinkage, and temperature variations on reinforced and prestressed concrete, composite, and steel structures. They stop the bridge from bending out of place in extreme conditions, and also allow enough vertical movement to permit bearing replacement without the need to dismant ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Road Bridges In Ontario
A road is a thoroughfare used primarily for movement of traffic. Roads differ from streets, whose primary use is local access. They also differ from stroads, which combine the features of streets and roads. Most modern roads are paved. The words "road" and "street" are commonly considered to be interchangeable, but the distinction is important in urban design. There are many types of roads, including parkways, avenues, controlled-access highways (freeways, motorways, and expressways), tollways, interstates, highways, and local roads. The primary features of roads include lanes, sidewalks (pavement), roadways (carriageways), medians, shoulders, verges, bike paths (cycle paths), and shared-use paths. Definitions Historically, many roads were simply recognizable routes without any formal construction or some maintenance. The Organization for Economic Co-operation and Development (OECD) defines a road as "a line of communication (travelled way) using a stabilized base oth ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Bridges In Canada
This is a list of bridges and viaducts in Canada, including those for pedestrians and vehicular traffic. Historical and architectural interest bridges There are only a few covered bridges left in Canada. In Quebec, despite over 1,200 existing in the last century, today there are only 88 remaining. In New Brunswick, 58 covered bridges have been identified. Major road and railway bridges Canada's longest bridge is the Confederation Bridge in the Gulf of St. Lawrence with a total of between abutments, it's also the world's longest bridge over ice-covered water. More than 5,000 local workers helped with the project, which cost about $1 billion. The Quebec Bridge has been the longest cantilever bridge span in the world since 1917, measuring between its two piles. It held the record of all-categories longest span in the world until the opening of the Ambassador Bridge. It's the last bridge that broke such a record before suspension bridges hold the award by far. It was de ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fatigue (material)
In materials science, fatigue is the initiation and propagation of cracks in a material due to cyclic loading. Once a fatigue crack has initiated, it grows a small amount with each loading cycle, typically producing striations on some parts of the fracture surface. The crack will continue to grow until it reaches a critical size, which occurs when the stress intensity factor of the crack exceeds the fracture toughness of the material, producing rapid propagation and typically complete fracture of the structure. Fatigue has traditionally been associated with the failure of metal components which led to the term metal fatigue. In the nineteenth century, the sudden failing of metal railway axles was thought to be caused by the metal crystallising because of the brittle appearance of the fracture surface, but this has since been disproved. Most materials, such as composites, plastics and ceramics, seem to experience some sort of fatigue-related failure. To aid in predicting the f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Research Council (Canada)
The National Research Council Canada (NRC; ) is the primary national agency of the Government of Canada dedicated to science and technology research and development. It is the largest federal research and development organization in Canada. The Minister of Innovation, Science and Industry, Minister of Innovation, Science, and Economic Development is responsible for the NRC. Mandate NRC is an Government agency, agency of the Government of Canada, and its mandate is set out in the ''National Research Council Act''. Under the Act, the NRC is responsible for: * Undertaking, assisting or promoting scientific and industrial research in fields of importance to Canada; * Providing vital scientific and technological services to the research and industrial communities; * Investigating standards and methods of measurement; * Working on the standardization and certification of scientific and technical apparatus, instruments and materials used or usable by Canadian industry; * Operating ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Today's Trucking
''Today’s Trucking'' is a Canadian magazine for the heavy duty trucking industry. The magazine is based in Toronto, Ontario, Canada. History and profile ''Today's Trucking'' was founded in 1987 by Jim Glionna, Rolf Lockwood, Phil Knox, Tony Hohenadel and Wilson Smith. The magazine's current Editor-In-Chief, as of 2016, is John G. Smith. Today’s Trucking is published monthly. The magazine was a bi-monthly publication (issued once every two months) until April 1988 when it became a monthly publication. Until 2011, the magazine used to be delivered to subscribers only and it had around 29 000 subscribers. But as of 2011, ''Today’s Trucking'' replaced a sister magazine called ''Highway Star'' in truck stops. About 40 000 Highway Star magazines were delivered to truck stops across Canada until the magazine was discontinued in 2011. Its last issue was August 2011. As of 2012, ''Today’s Trucking'' was delivered to truck stops across Canada Canada is a country in North A ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Global News
Global News is the news and Current affairs (news format), current affairs division of the Canadian Global Television Network. The network is owned by Corus Entertainment, which oversees all of the network's national news programming as well as local news on its 21 owned-and-operated stations. Corus currently operates one all-news radio station, and previously operated several talk radio stations, under the "Global News Radio" brand. The same division also operates a news website under the same brand. National programs Although Global stations had always carried local news in various forms, the first tentative steps towards a national presence came in 1994 with the launch of ''First National (television show), First National'' with Peter Kent, an early-evening program focusing on national and international news but airing only in central Canada. After acquiring the Western International Communications (WIC) group of stations, Global cancelled ''First National'' in February 2001 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Northwestern Ontario
Northwestern Ontario is a secondary region of Northern Ontario in the Canadian province of Ontario which lies north and west of Lake Superior and west of Hudson Bay and James Bay. It includes most of subarctic Ontario. Its western boundary is the Canadian province of Manitoba, which disputed Ontario's claim to the western part of the region. Ontario's right to Northwestern Ontario was determined by the Judicial Committee of the Privy Council in 1884ONTARIO-MANITOBA BOUNDARY CASE and confirmed by the Canada (Ontario Boundary) Act, 1889, of the Parliament of the United Kingdom. In 1912, the Parliament of Canada by the ''Ontario Boundaries Extension Act'' gave jurisdiction over the District of Patricia to Ontario, thereby extending the northern boundary of the province to Hudson Bay. Geographic subdivisions Northwestern Ontario consists of the districts of Kenora, Rainy River and Thunder Bay. Major communities in the region include Thunder Bay, Kenora, Dryden, Fort Frances, Sioux ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
State Of Emergency
A state of emergency is a situation in which a government is empowered to put through policies that it would normally not be permitted to do, for the safety and protection of its citizens. A government can declare such a state before, during, or after a natural disaster, civil unrest, armed conflict, medical pandemic or epidemic or other biosecurity risk. Relationship with international law Under international law, rights and freedoms may be suspended during a state of emergency, depending on the severity of the emergency and a government's policies. Use and viewpoints Democracies use states of emergency to manage a range of situations from extreme weather events to public order situations. dictatorship, Dictatorial regimes often declare a state of emergency that is prolonged indefinitely for the life of the regime, or for extended periods of time so that derogations can be used to override human rights of their citizens usually protected by the International Covenant on Civi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Greenstone, Ontario
Greenstone is a single-tier municipality in the Canadian province of Ontario with a population of 4,636 according to the 2016 Canadian census. It stretches along Highway 11 from Lake Nipigon to Longlac and covers . The town was formed in 2001, as part of municipal re-organization under the Progressive Conservative government of Ontario. It combined the former Townships of Beardmore and Nakina, the Towns of Geraldton and Longlac with large unincorporated portions of Unorganized Thunder Bay District. It is the administrative office of the band government for the Animbiigoo Zaagi'igan Anishinaabek First Nation. Communities Greenstone includes the communities of Beardmore, Caramat, Geraldton, Jellicoe, Longlac, Macdiarmid, Nakina and Orient Bay. The municipal administrative offices are located in Geraldton. Nakina and Caramat are entirely exclaved from the rest of the municipality's territory. File:Geraldton ON.JPG, Geraldton File:Beardmore ON.JPG, Beardmore File:Longl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Highway System (Canada)
The National Highway System () in Canada is a federal designation for a strategic transport network of highways and freeways. The system includes but is not limited to the Trans-Canada Highway, and currently consists of of roadway designated under one of three classes: Core Routes, Feeder Routes, and Northern and Remote Routes. The Government of Canada maintains very little power or authority over the maintenance or expansion of the system beyond sharing part of the cost of economically significant projects within the network. Highways within the system are not given any special signage, except where they are part of a Trans-Canada Highway route. History The system was first designated in 1988 by the Federal/Provincial/Territorial Council of Ministers Responsible for Transportation and Highway Safety, a council consisting of the federal, provincial and territorial Ministers of Transport. A total of of highway were originally designated as part of the system. Highways selected f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
