But on January 17, 1995, the Great Hanshin Earthquake stretched the bridge an additional three feet. Gale winds whip through the Strait. [8], The total cost is estimated at ¥500 billion or US$3.6 billion (per 1998 exchange rates). | Type: Suspension. Twenty-eight patterns are used for occasions such as national or regional holidays, memorial days or festivities. If you plan to cross the bridge the toll fee is 2300 yen. The Akashi Straits is four miles wide at the bridge site with sea depths of one hundred metres and currents averaging fourteen kmph. Akashi Kaikyo Bridge. 1 of 5. It crosses the busy Akashi Strait (Akashi Kaikyō in Japanese) as part of the Honshu–Shikoku Highway. 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. The main contractor was Honshu Shikoku B… Completed in 1998, Akashi-Kaikyo Bridge was originally an architectural dream that would combine a wealth of engineering technology with Japanese technical capability. Hurricanes, tsunamis, and earthquakes rattle and thrash the island almost annually. [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. The bridge also contains tuned mass dampers that are designed to operate at the resonance frequency of the bridge to dampen forces. Akashi Kaikyo Bridge - Asia Tourist Destinations . Length: 12,828 feet. Before it was built, ferries used to carry passengers across the Akashi Strait. They supported their bridge with a truss, or complex network of triangular braces, beneath the roadway. We went there from Osaka taking the JR Kobe Rapid line to Maiko … In order to ensure the bridge could sustain such extreme conditions, it had to be built … The Akashi Strait is a busy shipping port, so engineers had to design a bridge that would not block shipping traffic. The Akashi Kaikyo Bridge isn't just long -- it's also extremely tall. More than 100 contractors were involved in the construction of the bridge. Each anchorage required 350,000 tonnes (340,000 long tons; 390,000 short tons) of concrete. 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. U Bein Bridge, Amarapura, Myanmar. Longest Single Span: 6,527 feet. In order to achieve this level of accuracy each of the blocks were surface ground to a precise finish. In the Indian state of Meghalaya, in the … The Akashi Kaiko Bridge acts as a link between the city of Kobe and Iwaya by crossing the Akashi strait. If you plan to cross the bridge the toll fee is 2300 yen. The open network of triangles makes the bridge very rigid, but it also allows the wind to blow right through the structure. Its two towers, at 928 feet, soar higher than any other bridge towers in the world. Linking the city of Kobe to Iwaya on Awaji Island, this suspension bridge was completed in 1998. Four decades in the gestation, the bridge is now used by approximately 23,000 cars daily. This Web site was produced for PBS Online by WGBH. The bridge was built to connect the city of Kobe (on the mainland of Honshu) with Awaji Island in the Seto Inland Sea. The Akashi Kaikyo Bridge in Japan is currently the world's longest suspension bridge. 2. Web site © 2000-2001 WGBH Educational Foundation. The central section, between the main towers is 1,991 m and the other two 960 m each. 10. The bridge is 3911 m long with the central span the longest. Educators' Guide | Shop. Tim Gregorski / December 28, 2000. The Akashi Kaikyo Bridge is both one of the longest and tallest bridges in the world. Materials: Steel. 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. Cost: $4.3 billion. [4], The bridge has three spans. 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. 3. Actual construction did not begin until May 1988 and involved more than 100 contractors. In 1998, the Akashi Kaikyo Bridge officially opened, connecting the city of Kobe to Awaji-shima Island. Such primitive bridges—some as long as 660 ft (200 m)—are still being used in areas such as rural India. Purpose: Roadway. It is also known as the Pearl Bridge and is formed by three spans in total with the central one being the longest. The Akashi Kaikyō Bridge by architect Satoshi (engineer) Kashima was built in Kobe, Awaji Island, Japan in 1988-1998. Kyoritsu embarks on New Five-Year Plan. This dangerous waterway often experiences severe storms, and in 1955 two ferries sank in the strait during a storm, killing 168 people. The bridge is attractively lit at night. Joshinetsu expressway opens. The project is located in Kobe and Awaji, Hyogo, Japan. 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). 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 … Akashi Kaikyo Bridge - Interesting facts. The bridge is so long, it would take eight. It was completed in the year 1998. In 1998, Japanese engineers stretched the limits of bridge engineering with the completion of the Akashi Kaikyo Bridge. The toll is 2,300 yen and the bridge is used by approximately 23,000 cars per day. Underwater non-disintegration concrete was developed for the bridge’s construction for better fluidity and consistency. The total and central span lengths are 3,911m and 1991m respectively. The bridge is one of the longest suspension bridges in the world, with a total length of 3,911 metres, or 12,831 feet. But not for much longer. Roughly 300,000 kilometers of cabling was used in the bridge's construction. 2001 ; Business alliance with Bayer (Germany). 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. 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. Construction of the bridge began in May 1988 and took nearly ten years to complete. The bridge can withstand Typhoons and 8.5 magnitude earthquakes. 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. It is 297,30m high, 3.911m long, Akashi Kaikyō Bridge - Data, Photos & Plans - … 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). Completion Date: 1998. 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). India’s Living Root Bridges. 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 was originally designed to be 12,825 feet. 1999 ; Kyoritsu participates in the Japan Veterinary Medical Association's microchipping project. The bridge is 3,911 m (12,831 ft; 2.430 mi) long overall. 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. It would take four Brooklyn Bridges to span the same distance! Completed in 1998, this majestic bridge dwarfs the village of Iwaya below. Akashi Kaikyo Bridge is a suspension bridge, motorway bridge / freeway bridge and steel bridge that was built from 1988 until 1998. 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. Japan experiences some of the worst weather on the planet. The bridge links the city of Kobe (Japan) on the mainland of Honshū to Iwaya on Awaji Island by crossing the busy Akashi Strait.It carries part of the Honshū-Shikoku Highway. Ten years and 2 million workers later, the bridge was opened in 1998. A 20-year-old man riding in a taxi across the Akashi-Kaikyo Bridge, which links Kobe with Awaji Island, asked the driver to stop, then got out and jumped from the bridge into the sea below, on Sunday. 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. 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 ensuing shock and public outrage convinced the Japanese government to develop plans for a bridge to cross the strait. 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. 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. Rain pours down at a rate of 57 inches per year. 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. 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. 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. Local Wonders | Who Builds Big? How did the Japanese engineers get around these problems? 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. Political pressure for a bridge increased and in 1988 construction began. Why Was The Akashi Kaikyo Bridge Built? Commenced on-Site Construction： May 1, 1988 Opened to Traffic： April 5, 1998. Before the Akashi Kaikyō Bridge was built, ferries carried passengers across the Akashi Strait in Japan. 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. The Akashi-Kaikyo suspension bridge has three bays. Kyoritsu changes its name to Kyoritsu Seiyaku Corporation. The original plan called for a mixed railway-road bridge, but when construction on the bridge began in April 1988, the construction was restricted to road only, with six lanes. 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. Located in Japan, and completed in 1998, it connects the city of Kobe with Iwaja on Awaji Island by crossing the busy Akashi Strait. [7], The towers are located in an area of strong tidal currents where water velocity exceeds 7 knots (about 3.6 m/s). Somewhat more sophisticated designs incorporate a flat surface on which a person can walk, som… Akashi Kaikyo Bridge also called “Pearl Bridge” is located in Japan and considered as Japan’s finest engineering feat. The Akashi Kaikyo Bridge (AKB) is a three-span, two-hinged. It was a monumental engineering feat that required enough steel cable to encircle the earth seven times. 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. [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. stiffening girder system suspension bridge that spans the Akashi. 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). 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. The bridge holds three records: it is the longest, tallest, and most expensive suspension bridge ever built. It is one of the key links of the Honshū–Shikoku Bridge Project, which created three routes across the Inland Sea. [1], The bridge was designed with a dual-hinged stiffening girder system, allowing the structure to withstand winds of 286 kilometres per hour (178 mph), earthquakes measuring up to magnitude 8.5, and harsh sea currents. Nearly 181,000t of steel and 1.4 million cubic metres of concrete were used in the construction of the bridge. Kobe with Matsuho on Awaji Island. Construction on the Akashi Kaikyo Bridge finally began in 1988. Strait, connecting the Japanese mainland at Maiko, Taruni-ward in. The TMDs swing in the opposite direction of the wind sway. The RGB colour model and computer technology make for a variety of combinations. [4] It is expected to be repaid by charging drivers a toll to cross the bridge. Building the bridge was a huge endeavor. It is part of the ongoing Honshu-. One hundred and sixty eight children and adults died in the disaster. The Future Longest Bridge. The bridge has the longest central span of any suspension bridge in the world at 1,991 metres, or 6,532 feet. The bridge can withstand Typhoons and 8.5 magnitude earthquakes. [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. Sets of three high-intensity discharge lamps in the colors red, green and blue are mounted on the main cables. Akashi Kaikyo Bridge (明石海峡大橋), . 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. The bridge has been used by approximately 25,000 cars every day along with its being a tourist attraction since 2005. With this design, the Akashi Kaikyo can handle 180-mile-per-hour winds, and it can withstand an earthquake with a magnitude of up to 8.5 on the Richter scale! The foundation depth of the bridge is equivalent to that of a 20-storey apartment. In addition, engineers placed 20 tuned mass dampers (TMDs) in each tower. In 1998, Japanese engineers stretched the limits of bridge engineering with the completion of the Akashi Kaikyo Bridge. 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. The bridge is 3911 m long with the central span the longest. Facts. They also had to consider the weather. Akashi Strait Bridge, also called Akashi Kaikyo Bridge or Pearl Bridge, suspension bridge across the Akashi Strait (Akashi-kaikyo) in west-central Japan. Building Big Home | Site Map | Labs | Databank | Glossary It was the world’s longest suspension bridge when it opened on April 5, 1998. Akashi-Kaikyo Bridge, the world's longest suspension bridge, opens. Suspension bridges are one of the earliest types devised by man. Advertisement Akashi Kaikyo Bridge is a suspension bridge completed in 1998 located in Honshu, Japan that connects the two sides of the Akashi Strait. Akashi Kaiko Bridge is the world’s longest suspension bridge in the world with a length of 3911 meters (12,831 ft). Bridges | Domes | Skyscrapers | Dams | Tunnels Other notable bridges. 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