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Knight Street Bridge
The Knight Street Bridge is a crossing over the north arm of the Fraser River, the Canadian National Railway (CNR) line, and several roads, in Metro Vancouver. History Infrastructure The 1929 Vancouver Major Streets Plan designated the Clark-Knight corridor as a six-lane arterial road. The upgrade delayed for decades, Knight St. was never a streetcar route, and experienced less commercial and lower intensity development than nearby arterials. A late 1950s metropolitan highway planning committee recommendation included a proposed 1970s crossing in the vicinity, to relieve the Oak Street Bridge. Constructed 1969–1974, the structure was the second cast-in-place segmental cantilever bridge built in North America, the first being Quebec in 1964. For many years, the main span held the world record for this design. Each drop-in span, which joins the two separate parallel cantilever spans from the main piers, is an arched post-tensioned concrete girder, resting on rubber bearings at ea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Knight Street
Knight Street is a major north-south roadway in Vancouver and Richmond, British Columbia, Canada. It is a four-to-six lane freeway from Westminster Highway in Richmond to Marine Drive in Vancouver, thus serving as an alternate way to exit Vancouver southbound, rather than the Granville Street/ Oak Street corridor. Upon entering Vancouver, Knight Street provides major access routes to East Vancouver; at 14th Avenue, the road turns into Clark Drive, and runs northbound until it reaches the Port of Vancouver at Burrard Inlet. It is the busiest truck route in Vancouver, City of Vancouver, March 2003. Accessed online January 20, 2011. and a key link between Vancouver and its neighbours to the south. The freeway section of Knight Street crosses the |
Mitchell Island
Mitchell Island is an island in the North Arm of the Fraser River in British Columbia, Canada, located between the cities of Vancouver and Richmond (incorporated as part of the latter). It is crossed by (and has on- and off-ramps for) the Knight Street Bridge, which is one of the main bridges between the City of Vancouver and Richmond. Originally agricultural, its land is now mainly used for industrial purposes. The island is host to a number of auto wreckers. Mitchell Island now includes the area of Twigg Island, originally known as Mason's Island and also known as Bell Island, a name which was rescinded in 1951 after the channel separating it from Mitchell Island was filled in. Also incorporated into Mitchell Island after the intervening channel was Eburne Island. The island's name commemorates the original Crown Grantee, Alexander Mitchell. The only way to get on and off the island by road or walking is through on- and off-ramps near the middle of the Knight Street Bridge. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Buildings And Structures In Vancouver
A building, or edifice, is an enclosed structure with a roof and walls standing more or less permanently in one place, such as a house or factory (although there's also portable buildings). Buildings come in a variety of sizes, shapes, and functions, and have been adapted throughout history for a wide number of factors, from building materials available, to weather conditions, land prices, ground conditions, specific uses, prestige, and aesthetic reasons. To better understand the term ''building'' compare the list of nonbuilding structures. Buildings serve several societal needs – primarily as shelter from weather, security, living space, privacy, to store belongings, and to comfortably live and work. A building as a shelter represents a physical division of the human habitat (a place of comfort and safety) and the ''outside'' (a place that at times may be harsh and harmful). Ever since the first cave paintings, buildings have also become objects or canvasses of much artistic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
North Arm Bridge
The North Arm Bridge is an extradosed bridge in Metro Vancouver, British Columbia, Canada. It spans the north arm of the Fraser River, linking Vancouver to Richmond. It is used by trains on the Canada Line, which opened in August 2009. The bridge also has a dedicated pedestrian and bicycle pathway underneath its wing on the west side, which was added by Translink at a cost of $10 million. Bridge Details The North Arm Bridge does not carry automotive vehicles, as the neighbouring Oak Street Bridge does. The bridge has two tracks enabling SkyTrain to pass each other either way traversing the bridge between Bridgeport Station in Richmond and Marine Drive Station in south Vancouver. The main span is 180 metres (591 ft) and has a total length of 562 m (1844 ft). The bridge deck elevation can go up to 25 metres (83 ft) while the maximum tower elevation is 47 metres (154 ft). History The bridge incurred one fatality during its construction. Andrew Slobodian ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CNR Bridge
Opened in 1931, the Canadian National Railway (CNR) steel truss swing span railway bridge over the north arm of the Fraser River in Metro Vancouver links Burnaby with Richmond and the south arm Vancouver Fraser Port Authority facilities on Lulu Island. The Canadian Northern Railway (CNoR) had planned to lay track from the north end of the New Westminster Bridge and cross the Fraser at the 1931 location. However, when the CNoR opened the Lulu Island branch line in 1917, it connected with the British Columbia Electric Railway (BCER) Queensborough terminus. Since the original BCER Queensborough bridge was designed for trams, not heavy locomotives, the CNoR westward route to Steveston was an isolated branch line. After the CNR absorption of the bankrupt CNoR, the money-losing branch, and damage to trestles from a 1918 muskeg fire at Mile 4, terminated all services. In July 1930, work began on sinking piers for the 4,200-foot-long bridge with a 240-foot central span. On compl ... [...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 compared to all those that were built in the past. In the Quebec province, if we already counted 1200 in the last century, today there are only 88 remaining. In New Brunswick, 58 covered bridges have been identified. Major road and railway bridges The 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 helds 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 rec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Crossings Of The Fraser River
This is a list of bridges, tunnels, and other crossings of the Fraser River in the Canadian province of British Columbia. It includes both functional crossings and historic crossings which no longer exist, and lists them in sequence from the South Arm of the Fraser River at the Strait of Georgia upstream to its source. Listed separately on this page are the crossings on the Fraser River's North and Middle Arms. Fraser River Delta (Strait of Georgia to New Westminster) South Arm This is a list of crossings of the South Arm of the Fraser River from the Strait of Georgia to the North Arm of the Fraser River at approximately mile 16.5. The South Arm is the primary outflow branch of the Fraser River. Middle Arm This is a list of crossings of the Middle Arm of the Fraser River from the Strait of Georgia to the North Arm of the Fraser River at approximately mile 4.6. North Arm This is a list of crossings of the North Arm of the Fraser River from the Strait of Georgia to the ma ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Surrey, British Columbia
Surrey is a city in British Columbia, Canada. It is located south of the Fraser River on the Canada–United States border. It is a member municipality of the Metro Vancouver regional district and metropolitan area. Mainly a suburban city, Surrey is the province's second-largest by population after Vancouver and the third-largest by area after Abbotsford and Prince George. Seven neighbourhoods in Surrey are designated town centres: Cloverdale, Fleetwood, Guildford, Newton, South Surrey, and City Centre encompassed by Whalley. History Surrey was incorporated in 1879, and encompasses land formerly occupied by a number of Halqemeylem-speaking indigenous groups. When Englishman H.J. Brewer looked across the Fraser River from New Westminster and saw a land reminiscent of his native County of Surrey in England, the settlement of Surrey was placed on the map. The area then comprised forests of douglas fir, fir, red cedar, hemlock, blackberry bushes, and cranberry bogs. A p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Agricultural Land Reserve
The Agricultural Land Reserve (ALR) is a collection of agricultural land in British Columbia in which agriculture is recognized as the priority. In total, the ALR covers approximately and includes private and public lands that may be farmed, forested or are vacant. Some ALR blocks cover thousands of hectares while others are small pockets of only a few hectares. The reserve is administered by the Agricultural Land Commission (ALC), consisting of a chair and six vice-chairs appointed by the Lieutenant Governor-in-Council of British Columbia (cabinet) and twelve regular commissioners appointed by the provincial Minister of Agriculture. The ALR was established by the British Columbia New Democratic Party government of Dave Barrett in 1973, when it was considered to be the most progressive legislation of its kind in North America. It was intended to permanently protect valuable agricultural land that has among the most fertile soil in the country from being lost. Despite having been i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Impact Attenuator
An impact attenuator, also known as a crash cushion, crash attenuator, or cowboy cushion, is a device intended to reduce the damage to structures, vehicles, and motorists resulting from a motor vehicle collision. Impact attenuators are designed to absorb the colliding vehicle's kinetic energy. They may also be designed to redirect the vehicle away from the hazard or away from roadway machinery and workers. Impact attenuators are usually placed in front of fixed structures near highways, such as gore points, crash barrier introductions, or overpass supports. Temporary versions may be used for road construction projects. Operation Impact attenuators are designed to absorb the colliding vehicle's kinetic energy to bring it to a stop safely. If no impact attenuator is present, a vehicle which strikes a rigid roadside object will suddenly stop. A person inside will promptly collide with the interior of the vehicle, and that person's internal organs will collide with their chest wall, c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Soil Liquefaction
Soil liquefaction occurs when a cohesionless saturated or partially saturated soil substantially loses strength and stiffness in response to an applied stress such as shaking during an earthquake or other sudden change in stress condition, in which material that is ordinarily a solid behaves like a liquid. In soil mechanics, the term "liquefied" was first used by Allen Hazen in reference to the 1918 failure of the Calaveras Dam in California. He described the mechanism of flow liquefaction of the embankment dam as: The phenomenon is most often observed in saturated, loose (low density or uncompacted), sandy soils. This is because a loose sand has a tendency to compress when a load is applied. Dense sands, by contrast, tend to expand in volume or 'dilate'. If the soil is saturated by water, a condition that often exists when the soil is below the water table or sea level, then water fills the gaps between soil grains ('pore spaces'). In response to soil compressing, the po ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Seismic Retrofit
Seismic retrofitting is the modification of existing structures to make them more resistant to seismic activity, ground motion, or soil failure due to earthquakes. With better understanding of seismic demand on structures and with our recent experiences with large earthquakes near urban centers, the need of seismic retrofitting is well acknowledged. Prior to the introduction of modern seismic codes in the late 1960s for developed countries (US, Japan etc.) and late 1970s for many other parts of the world (Turkey, China etc.), many structures were designed without adequate detailing and reinforcement for seismic protection. In view of the imminent problem, various research work has been carried out. State-of-the-art technical guidelines for seismic assessment, retrofit and rehabilitation have been published around the world – such as the ASCE-SEI 41 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
