The bridge also contains tuned mass dampers that are designed to operate at the resonance frequency of the bridge to dampen forces. Local Wonders | Who Builds Big? Four decades in the gestation, the bridge is now used by approximately 23,000 cars daily. The bridge can withstand Typhoons and 8.5 magnitude earthquakes. Each anchorage required 350,000 tonnes (340,000 long tons; 390,000 short tons) of concrete. Akashi-Kaikyo Bridge, the world's longest suspension bridge, opens. [5][6], The Akashi–Kaikyo bridge has a total of 1,737 illumination lights: 1,084 for the main cables, 116 for the main towers, 405 for the girders and 132 for the anchorages. Akashi Kaikyo Bridge is a suspension bridge, motorway bridge / freeway bridge and steel bridge that was built from 1988 until 1998. The central section, between the main towers is 1,991 m and the other two 960 m each. Cost: $4.3 billion. Japan experiences some of the worst weather on the planet. The bridge was originally designed to be 12,825 feet. Built in 1998 which connects Kobe to Iwaya in Awaji Island stands the longest central pan suspension bridge in the world - the Akashi Kaiyko Bridge. Building Big Home | Site Map | Labs | Databank | Glossary Currently the longest spanning suspension bridge in the world, the Akashi Kaiko Bridge stretches 12,828 feet across the Akashi Strait to link the city of Kobe with Awaji-shima Island. In 1998, Japanese engineers stretched the limits of bridge engineering with the completion of the Akashi Kaikyo Bridge. Joshinetsu expressway opens. It is one of the key links of the Honshū–Shikoku Bridge Project, which created three routes across the Inland Sea. The toll is 2,300 yen and the bridge is used by approximately 23,000 cars per day. Before the Akashi Kaikyō Bridge was built, ferries carried passengers across the Akashi Strait in Japan. THE AKASHI-KAIKYO SUSPENSION BRIDGE - JAPAN : V. Ryan 2004 - 2017 : PAGE TWO ... Each tower is made up of 90 sections and they were built with absolute precision as the design allowed only a 25mm offset at the top. The bridge holds three records: it is the longest, tallest, and most expensive suspension bridge ever built. The TMDs swing in the opposite direction of the wind sway. The bridge is 3911 m long with the central span the longest. The Akashi Kaikyō Bridge by architect Satoshi (engineer) Kashima was built in Kobe, Awaji Island, Japan in 1988-1998. Actual construction did not begin until May 1988 and involved more than 100 contractors. [4] It is expected to be repaid by charging drivers a toll to cross the bridge. The Akashi Kaikyo Bridge (AKB) is a three-span, two-hinged. Roughly 300,000 kilometers of cabling was used in the bridge's construction. If you plan to cross the bridge the toll fee is 2300 yen. Nearly 181,000t of steel and 1.4 million cubic metres of concrete were used in the construction of the bridge. But not for much longer. Akashi Kaikyo Bridge - Asia Tourist Destinations . The foundation depth of the bridge is equivalent to that of a 20-storey apartment. In 2017, the Strait of Messina suspension bridge connecting Italy to the island of Sicily is expected to open -- and take the world's top spot. Somewhat more sophisticated designs incorporate a flat surface on which a person can walk, som… Akashi-Kaikyo Bridge is the longest span bridge in the world, located in Akashi Strait between Kobe and Awaji Island in Hyogo Pref. The steel cables have 300,000 kilometres (190,000 mi) of wire: each cable is 112 centimetres (44 in) in diameter and contains 36,830 strands of wire. It is also known as the Pearl Bridge and is formed by three spans in total with the central one being the longest. It crosses the busy Akashi Strait (Akashi Kaikyō in Japanese) as part of the Honshu–Shikoku Highway. It was completed in 1998,[1] and has the longest central span of any suspension bridge in the world,[3] at 1,991 metres (6,532 ft; 1.237 mi). Hurricanes, tsunamis, and earthquakes rattle and thrash the island almost annually. The bridge is one of the longest suspension bridges in the world, with a total length of 3,911 metres, or 12,831 feet. Sets of three high-intensity discharge lamps in the colors red, green and blue are mounted on the main cables. The bridge is attractively lit at night. Akashi Kaikyo Bridge also called “Pearl Bridge” is located in Japan and considered as Japan’s finest engineering feat. It was the world’s longest suspension bridge when it opened on April 5, 1998. Completion Date: 1998. Fact: Akashi Kaikyo Bridge was built by the government to make the Akashi strait much safer for travel, as it was the only way to transport people and goods. Materials: Steel. The two main supporting towers rise 282.8 m (928 ft) above sea level, and the bridge can expand because of heat by up to 2 m (6.6 ft) over the course of a day. stiffening girder system suspension bridge that spans the Akashi. U Bein Bridge, Amarapura, Myanmar. Tim Gregorski / December 28, 2000. 10. Akashi Strait Bridge, also called Akashi Kaikyo Bridge or Pearl Bridge, suspension bridge across the Akashi Strait (Akashi-kaikyo) in west-central Japan. The RGB colour model and computer technology make for a variety of combinations. 2001 ; Business alliance with Bayer (Germany). Ten years and 2 million workers later, the bridge was opened in 1998. The main contractor was Honshu Shikoku B… One hundred and sixty eight children and adults died in the disaster. If you plan to cross the bridge the toll fee is 2300 yen. The bridge was built to connect the city of Kobe (on the mainland of Honshu) with Awaji Island in the Seto Inland Sea. 3. Purpose: Roadway. A demanding environment The Akashi Kaikyo Bridge in Japan, also known as the Pearl Bridge, crosses the Akashi Strait to link Kobe with Awaji Island. Akashi Kaikyo Bridge (明石海峡大橋), . The bridge's total length is 3,991 meters, and the main span's length of 1,991m makes it the longest suspension bridge in the world. The Akashi Kaikyo Bridge isn't just long -- it's also extremely tall. One of the most fascinating Akashi Kaikyo Bridge facts is that it can expand up to 2 meters (6.6 feet) in a day because of the way it’s constructed. It is part of the ongoing Honshu-. Construction on the Akashi Kaikyo Bridge finally began in 1988. [4] The bridge was opened for traffic on April 5, 1998 in a ceremony officiated by the Crown Prince Naruhito and his spouse Crown Princess Masako of Japan along with Construction Minister Tsutomu Kawara. The central span is 1,991 m (6,532 ft; 1.237 mi),[1] and the two other sections are each 960 m (3,150 ft; 0.60 mi). The bridge is 3,911 m (12,831 ft; 2.430 mi) long overall. 1 of 5. Gale winds whip through the Strait. It was a monumental engineering feat that required enough steel cable to encircle the earth seven times. The selected scour protection measure includes the installation of a filtering layer with a thickness of 2 m in a range of 10 m around the caisson, covered with rip raps of 8 m thick. The Akashi Kaikyo Bridge (also called the Pearl Bridge), has the longest central span of any suspension bridge in the world, at 1991 meters. Commenced on-Site Construction： May 1, 1988 Opened to Traffic： April 5, 1998. We went there from Osaka taking the JR Kobe Rapid line to Maiko … Educators' Guide | Shop. India’s Living Root Bridges. The most primitive version is a vine rope linking two sides of a chasm; a person travels across by hanging from the rope and pulling himself along, hand over hand. The bridge is 3911 m long with the central span the longest. The height of the main towers is 282.8 m above the water, 297.30 m until the end of the anchors, the structure is submerged 60m below the water level. Akashi Kaiko Bridge is the world’s longest suspension bridge in the world with a length of 3911 meters (12,831 ft). The Akashi Kaikyō Bridge (明石海峡大橋, Akashi Kaikyō Ōhashi) is a suspension bridge, which links the city of Kobe on the Japanese mainland of Honshu to Iwaya on Awaji Island. The two towers were originally 1,990 m (6,530 ft; 1.24 mi) apart, but the Great Hanshin earthquake on January 17, 1995, moved the towers so much (only the towers had been erected at the time) that the span had to be increased by 1 m (3.3 ft). Underwater non-disintegration concrete was developed for the bridge’s construction for better fluidity and consistency. Asia could be the largest continent by both size and population—a diverse, multi-cultural melting pot of a number of the oldest civilizations on Earth. In order to achieve this level of accuracy each of the blocks were surface ground to a precise finish. The bridge has the longest central span of any suspension bridge in the world at 1,991 metres, or 6,532 feet. The Akashi Kaikyo Bridge in Japan is currently the world's longest suspension bridge. Why Was The Akashi Kaikyo Bridge Built? The Akashi-Kaikyo suspension bridge has three bays. Kyoritsu embarks on New Five-Year Plan. The Akashi Kaikyō Bridge (明石海峡大橋, Akashi Kaikyō Ōhashi) is a suspension bridge, which links the city of Kobe on the Japanese mainland of Honshu to Iwaya on Awaji Island. Before it was built, ferries used to carry passengers across the Akashi Strait. In order to ensure the bridge could sustain such extreme conditions, it had to be built … It is 297,30m high, 3.911m long, Akashi Kaikyō Bridge - Data, Photos & Plans - … The Future Longest Bridge. 2. Built in 1998 which connects Kobe to Iwaya in Awaji Island stands the longest central pan suspension bridge in the world - the Akashi Kaiyko Bridge. In 1998, Japanese engineers stretched the limits of bridge engineering with the completion of the Akashi Kaikyo Bridge. Suspension bridges are one of the earliest types devised by man. [8], The total cost is estimated at ¥500 billion or US$3.6 billion (per 1998 exchange rates). More than 100 contractors were involved in the construction of the bridge. The project is located in Kobe and Awaji, Hyogo, Japan. Bridges | Domes | Skyscrapers | Dams | Tunnels So when the wind blows the bridge in one direction, the TMDs sway in the opposite direction, effectively "balancing" the bridge and canceling out the sway. It would take four Brooklyn Bridges to span the same distance! But on January 17, 1995, the Great Hanshin Earthquake stretched the bridge an additional three feet. HYOGO (TR) – A man living in Kobe City plunged to his death from the Akashi-Kaikyo Bridge on Sunday in an apparent suicide, police have revealed, reports Kyodo News (Feb. 22). This dangerous waterway often experiences severe storms, and in 1955 two ferries sank in the strait during a storm, killing 168 people. Longest Single Span: 6,527 feet. Kyoritsu changes its name to Kyoritsu Seiyaku Corporation. [7], The towers are located in an area of strong tidal currents where water velocity exceeds 7 knots (about 3.6 m/s). Located in Japan, and completed in 1998, it connects the city of Kobe with Iwaja on Awaji Island by crossing the busy Akashi Strait. They also had to consider the weather. The ensuing shock and public outrage convinced the Japanese government to develop plans for a bridge to cross the strait. The Bridge Exhibition Center at the foot of the Kobe side of the bridge provides well-presented information about the planning and construction of the bridge and about other suspension bridges around the world, although the detailed explanations are available in Japanese only. Web site © 2000-2001 WGBH Educational Foundation. During the Great Hanshin Earthquake of 1995, the towers of the bridge moved apart, adding 3 feet to the span's length. Strait, connecting the Japanese mainland at Maiko, Taruni-ward in. In 1998, the Akashi Kaikyo Bridge officially opened, connecting the city of Kobe to Awaji-shima Island. Linking the city of Kobe to Iwaya on Awaji Island, this suspension bridge was completed in 1998. It is one of the key links of the Honshū–Shikoku Bridge Project, which created three routes across the Inlan… This Web site was produced for PBS Online by WGBH. The total and central span lengths are 3,911m and 1991m respectively. The Akashi Straits is four miles wide at the bridge site with sea depths of one hundred metres and currents averaging fourteen kmph. The bridge is so long, it would take eight. In the Indian state of Meghalaya, in the … The Pearl Bridge (Akashi-Kaikyo) is holding the title of “World’s Longest Suspension Bridge” with a span of 1,991 meters (6,532 ft).The second longest suspension bridge is China’s Xihoumen Bridge. In addition, engineers placed 20 tuned mass dampers (TMDs) in each tower. Other notable bridges. Currently the longest spanning suspension bridge in the world, the Akashi Kaiko Bridge stretches 12,828 feet across the Akashi Strait to link the city of Kobe with Awaji-shima Island. [2], Akashi Kaikyō Bridge from the air, December 2005, Honshu-Shikoku Bridge Expressway Company Limited, longest central span of any suspension bridge, List of tallest freestanding steel structures, "Akashi Kaikyo Bridge, Akashi Strait, Japan", "World's Longest Suspension Bridge Opens in Japan", "Heavy Lifting: Supporting the Longest Suspension Bridge in the World", "Scour protection at Akashi Kaikyo bridge", https://en.wikipedia.org/w/index.php?title=Akashi_Kaikyō_Bridge&oldid=1010068193, Buildings and structures in Hyōgo Prefecture, Infobox mapframe without OSM relation ID on Wikidata, Pages using infobox bridge with unknown parameters, Articles containing Japanese-language text, Wikipedia articles with WORLDCATID identifiers, Creative Commons Attribution-ShareAlike License, This page was last edited on 3 March 2021, at 17:07. They supported their bridge with a truss, or complex network of triangular braces, beneath the roadway. Akashi Kaikyo Bridge - Interesting facts. Rain pours down at a rate of 57 inches per year. Building the bridge was a huge endeavor. The six-lane road bridge connects the city of Kōbe, on the main island of Honshu, to Iwaya, on Awaji Island, which in turn is linked (via the Ōnaruto Bridge over the Naruto … It was completed in 1998, and has the longest central span of any suspension bridge in the world, at 1,991 metres (6,532 ft; 1.237 mi). How did the Japanese engineers get around these problems? The Akashi Kaikyo Bridge is both one of the longest and tallest bridges in the world. Length: 12,828 feet. The Akashi Kaiko Bridge acts as a link between the city of Kobe and Iwaya by crossing the Akashi strait. Completed in 1998, this majestic bridge dwarfs the village of Iwaya below. Twenty-eight patterns are used for occasions such as national or regional holidays, memorial days or festivities. Construction of the bridge began in May 1988 and took nearly ten years to complete. Political pressure for a bridge increased and in 1988 construction began. It was built to withstand the 4.5 meter-per-second tidal flows in the channel below, wind speeds of 80m/s, and large earthquakes. Type: Suspension. 1999 ; Kyoritsu participates in the Japan Veterinary Medical Association's microchipping project. 1998 With the longest bridge span in the world at 6,532 feet (1,991 mtrs), few people realize the Akashi-Kaikyo bridge (97 meters high) also has the highest bridge deck in the world located at sea level across a port, harbor or bay.
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