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Discussion Starter · #1 · (Edited)
Bridges and Tunnels over/under Yangtze River

Yangtze River is the longest river in China, 3rd longest in the world. There are many giant bridges and tunnels built across the main stretch of the river. Let's see them from downstream to upstream.

Shanghai Yangtze River Tunnel (上海长江隧道).

Location: 31°20'37.21"N 121°41'50.15"E

The tunnel was built in 2009. It is 8,950 meters long.

The Shanghai Yangtze River Tunnel starts on the south bank of the Yangtze at Wuhaogou, Pudong and ends in the south of Changxing Island. It is 8.9 kilometres (5.5 mi) in length, and has two stacked levels. The upper level is for a motorway, and has three lanes in each direction, with a designed speed of 80 kilometres per hour (50 mph). The lower level is reserved for a future Shanghai Metro line, Chongming Line.

The tunnelling was completed using four tunnel boring machines, the largest of which was 15.43 metres (50.6 ft) in diameter,[3] 135 metres (443 ft) long,[citation needed] and weighed 2,300t.






 

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Discussion Starter · #2 · (Edited)
Shanghai Yangtze River Bridge, 上海长江大桥

Location: 31°26'4.60"N 121°44'38.82"N

The Shanghai Yangtze River Bridge starts at the tunnel exit, crosses Changxing Island at ground level, then crosses to Chongming Island, ending at Chenjia Town.

It consists of two long viaducts with a higher cable-stayed section in the middle to allow the passage of ships. The total length is 16.63 kilometres (10.33 mi), of which 6.66 kilometres (4.14 mi) is road and 9.97 kilometres (6.20 mi) bridge. The overall shape of the bridge is not linear but slightly sigmoid ("S" shaped).

The central cable-stayed span is about 730 metres (2,395 ft), the longest span of any bridge in Shanghai, and the tenth longest cable-stayed span in the world.[4] The span arrangement is 92+258+730+258+72 m.[5]

The bridge has three road lanes in each direction, with a designed speed of 100 kilometres per hour (62 mph). Room on both flanks of the bridge is reserved for a future metro line, line 19, so total deck width is 35.3 m (115.8 ft).





















http://img.mp.sohu.com/upload/20170722/3b471d6682684613867e1babf604b20f_th.png[img]

[img]http://img.mp.sohu.com/upload/20170722/5c9dbd42fb7e4addb93911e4c7f27042_th.png
 

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Discussion Starter · #3 ·
Chongqi Bridge 崇启大桥

Location: 31°42'36.44"N 121°39'50.79"E

Chongming-Qidong Yangtze River Bridge or the Chongqi Bridge, also called Chongqi Crossing Project, is a bridge across the north fork of the Yangtze River, near the river's mouth between Chongming Island of Shanghai and Qidong in Jiangsu Province. This bridge, along with the Shanghai Yangtze River Tunnel and Bridge to the south, forms the last crossing of the Yangtze River before the river empties into the East China Sea. The bridge carries the six-lane G40 Shanghai–Xi'an Expressway, part of the National Expressway Network of the People's Republic of China.

The bridge connects Chenjia in Chongming County in the south with Qidong in the north, and was built from 2008 to 2011 at cost of RMB8.238 billion. The project built 51.763 km (32 mi) of viaduct, including 6.84 km (4 mi) across the north fork of the river. As of December 2011, the bridge was the longest box girder bridge in China. The longest span is 185 meters. Major construction was completed on September 21, 2011 and the bridge opened to commercial traffic on December 24, 2011













 

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Discussion Starter · #4 ·
Sutong Bridge 苏通长江大桥

Location: 31°46'36.61"N 120°59'40.78"E

The Sutong Yangtze River Bridge is a cable-stayed bridge that spans the Yangtze River in China between Nantong and Changshu, a satellite city of Suzhou, in Jiangsu province.

With a span of 1,088 metres (3,570 ft), it was the cable-stayed bridge with the longest main span in the world in 2008-2012. Its two side spans are 300 metres (980 ft) each, and there are also four small cable spans. The bridge received the 2010 Outstanding Civil Engineering Achievement award (OCEA) from the American Society of Civil Engineers.

Two towers of the bridge are 306 metres (1,004 ft) high and thus the third tallest in the world. The total bridge length is 8,206 metres (26,923 ft). Construction began in June 2003, and the bridge was linked up in June 2007. The bridge was opened to traffic on 25 May 2008 and was officially opened on 30 June 2008. Construction has been estimated to cost about US$1.7 billion.

The completion of the bridge shortens the commute between Shanghai and Nantong, previously a four-hour ferry ride, to about an hour. It brings Nantong one step closer to becoming an important part of the Yangtze River Delta economic zone, and has further attracted foreign investors into the city. The bridge is also pivotal in the development of poorer northern Jiangsu regions.

The tower is an inverted Y-shaped reinforced concrete structure with one connecting girder between tower legs. The bridge deck is a steel box girder with internal transverse and longitudinal diaphragms and fairing noses at both sides of the bridge deck. The total width of the bridge deck is 41 metres including the fairing noses.





















 
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Discussion Starter · #5 ·
Hutong Yangtze River Bridge 沪通长江大桥

Location: 32° 1'12.01"N 120°42'40.90"E

It is another world record bridge. The bridge is 11.072 kilometers long. It is a double deck dual-used road/rail bridge. The upper deck is for a 6-lane road and lower deck is 4-track rail bridge. The 2300 meter main bridge is a 5-span cable-stayed bridge with 1,092 meters main span (142+462+1092+462+142), The main towers are 325 meters high. Tianshenggang section is 619.3 meter 3-span arch bridge with main span 336m (141.5+336+141.8). The construction started in 2014.





























 

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Discussion Starter · #6 ·
Dongsha Bridge 东沙大桥

Location: 32° 3'8.78"N 120°40'25.14"E

The bridge connects Nantong in the north of river to Dongsha island in the river. It is built in 2014. The bridge is 1838.8 meter long. It is a cable-stayed bridge with 270m main span.

















 
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Discussion Starter · #7 ·
Rugao Yangtze River Bridge 如皋长江大桥

Location: 32° 3'50.89"N 120°38'14.07"E

The bridge connects Nantong in the north of river to Changqingsha island in the river. It is built in 2013. The bridge is 1046 meter long. It is a cable-stayed bridge with 218m main span and 26.5 meter wide.











 
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Discussion Starter · #8 ·
Jiangyin Yangtze River Bridge,

Location: 31°56'39.68"N 120°16'12.49"E

The Jiangyin Yangtze River Bridgeis a suspension bridge over the Yangtze River in Jiangsu, China. The bridge has a main span of 1,385 metres (4,544 ft) connects Jiangyin south of the river to Jingjiang to the north. When the bridge was completed in 1999, it was the fourth longest suspension bridge span in the world and the longest in China. Several longer bridges have since been completed in China and abroad but it still ranks among the ten longest bridge spans in the world. The bridge was also the furthest downstream on the Yangtze until the completion of the Sutong Yangtze River Bridge in 2008 and the Chongming–Qidong Yangtze River Bridge in 2011

The bridge was planned so that it would be completed in time to mark the 50th anniversary of the Chinese Revolution of 1947. It was the first long-span bridge of its kind to be designed in China. Foundation work began in 1994. Engineering, manufacture and construction of the bridge was completed in just less than three years. The concrete towers are 190 metres (623 ft) tall, roughly equivalent in height to a 60 story building. The main span, constructed by Cleveland Bridge & Engineering Company, is made of flat streamlined steel box girders. The steel deck was erected by raising pre-assembled units weighing up to 500 metric tons with jacks. (pictures) The total investment of the bridge adds up to 2.728 billion yuan. The bridge opened on September 28, 1999. Jiang Zemin entitled the bridge and cut the ribbon. Goodwin Steel Castings manufactured the cable bands for the bridge.

In 2002 the bridge received an award at the International Bridge Conference for "...outstanding achievement in bridge engineering that, through vision and innovation, provides an icon to the community for which it was designed."









 
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Discussion Starter · #9 ·
Yangzhong 2nd Yangtze River Bridge 扬中长江二桥

Location: 32° 3'42.44"N 119°54'7.04"E

It connects Yangzhong Island to South bank of Yangtze River. The bridge is 1761 meter long, 17 meters wide and the main span is 120 meters. It opened to traffic in 2004.





 
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Discussion Starter · #10 ·
Taizhou Yangtze River Bridge 泰州长江大桥

Location: 32°14'47.27"N 119°52'36.20"E

The Taizhou Yangtze River Bridge is a bridge complex over the Lower Yangtze River in Jiangsu Province in eastern China. The bridge connects Taizhou on the north bank, Yangzhong on an island in the river, and Yaoqiao Village of Zhenjiang Municipality on the south bank, and consists of a suspension bridge across the north branch stream and a pair of box-girder bridges across the south branch stream. Taizhou Bridge Complex opened in 2012.

Altogether the Taizhou Bridge construction project was 62.088 km (38.580 mi) long. The north bridge is 6,821 m (22,379 ft), including a three-tower suspension bridge with a pair of 1,080 m (3,540 ft) suspension spans, and 4,661 m (15,292 ft) of connecting approaches. The south bridge is 2,905 m (9,531 ft) with box-girder spans of 85+125x3+85 = 545 m (1,788 ft) and 85+125x2+85=420 m (1,380 ft).[1] The north bank has 8 km (5.0 mi) of connecting highway.[1] Yangzhong Island has 2.94 km (1.83 mi) of highway and the south bank has 40 km (25 mi) of connecting highway.

The north bridge's double suspension spans are among the longest in the world.

The bridge won the 2013 Institution of Structural Engineers Supreme Award for structural engineering and the 2014 IABSE Outstanding Structure Award.

The south branch bridge is also called Yangzhong Yangtze River Bridge.



















 

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Discussion Starter · #11 ·
Yangzhong Yangtze River Bridge 扬中长江大桥

Location: 32°12'15.63"N 119°49'25.93"E

It is also the south branch of Taizhou Yangtze River Bridge. The south bridge is 2,905 m (9,531 ft) with box-girder spans of 85+125x3+85 = 545 m (1,788 ft) and 85+125x2+85=420 m (1,380 ft)





 
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Discussion Starter · #12 ·
Yangzhong 3rd Yangtze Bridge 扬中长江三桥

Location: 32°12'31.19"N 119°46'26.91"E

It is another bridge connects Yangzhong Island to south bank of Yangtze River. It is a 6-lane road bridge with 4x 120m main spans, Span layout is 75+4×125+75.











 
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Discussion Starter · #13 ·
Yangzhong 1st Yangtze Bridge 扬中长江一桥

Location: 32°13'26.24"N 119°44'55.86"E

It is the first bridge built to connect Yangzhong Island to south bank of Yangtze River. It was named as Yangzhong Yangtze Bridge before Taizhou Yangtze Bridge was built. It is 1172 meters long and 17 meters wide.







 
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Discussion Starter · #14 ·
Wufengshan Yangtze River Bridge 五峰山长江大桥

Location: 32°13'36.26"N 119°40'35.40"E

It is a world record bridge under construction. The length is 6408.909 meters. It is a double deck dual used road rail suspension bridge. The main span is 1092 meters. The upper deck is a 8-lane expressway. The lower deck is 4 track high speed rail with speed up to 250 km/h.

















 

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Discussion Starter · #15 ·
Ruiyang Yangtze River Bridge South Branch 润扬长江大桥南汊桥

Location: 32°12'22.20"N 119°21'49.77"E

The Runyang Yangtze River Bridge is a large bridge complex that crosses the Yangtze River in Jiangsu Province, China, downstream of Nanjing. The complex consists of two major bridges that link Zhenjiang on the south bank of the river and Yangzhou on the north. The bridge is part of the Yangzhou–Liyang Expressway. Construction of the bridge complex began in October 2000 and was completed ahead of schedule. The bridge cost 5.8 billion Yuan (about US$700 million). The complex opened to traffic on April 30, 2005. The total length of the bridge complex is about 35.66 kilometres (22.16 mi). In between the two bridges is the island of Shiyezhou.

Prior to the bridge's completion, round-the-clock ferry services operated across the river. It took about 40 minutes to reach the Zhenjiang Railway Station from Yangzhou.

The south bridge is a suspension bridge with a main span of 1,490 metres (4,888 ft). Upon its completion in 2005 it became the third longest suspension bridge span in the world and the largest in China. With the opening of the Xihoumen Bridge in 2007, it became the second longest span in China. It is now the fifth longest in the world. The towers are 215 metres (705 ft) above water level. The two approach spans are not suspended. The main span of the bridge consists of a streamlined orthotropic steel box girder that is 3 metres (10 ft) in depth. The width of the deck is 39.2 metres (129 ft), accommodating 6 traffic lanes and a narrow walkway at each outside edge for maintenance. The height clearance for river navigation is about 50 metres (164 ft).

Another planned suspension bridge across the Qiongzhou Strait in China, will be larger than the south bridge, spanning between 2,000 and 2,500 metres.













 
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Discussion Starter · #16 ·
Ruiyang Yangtze River Bridge North Branch 润扬长江大桥北汊桥

Location: 32°13'41.02"N, 119°21'29.25"E

The north bridge is a cable-stayed bridge with a main span of 406 metres (1,332 ft) with towers 150 metres (492 ft) above water level.











 
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Discussion Starter · #17 ·
Nanjing 4th Yangtze River Bridge 南京长江第四大桥

Location: 32°10'43.15"N 118°56'24.16"E

The Fourth Nanjing Yangtze Bridge is a suspension bridge over the Yangtze River in Nanjing, China.The bridge is the sixth longest span in the world and the third largest in China. The bridge is 5,437 meters long, 34 meters wide. The towers are 229 meters high and the main span is 1,418 meters long.

















 
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Discussion Starter · #18 · (Edited)
Nanjing 2nd Yangtze River Bridge South Branch 南京长江第二大桥南汊桥

Location: 32° 9'46.21"N 118°50'9.31"E

The Second Nanjing Yangtze Bridge is a cable-stayed bridge over the Yangtze River in Nanjing, China.The bridge spans 628 metres (2,060 ft) carrying traffic on the G36 Nanjing–Luoyang Expressway. When it was completed it was the third longest cable-stayed span in the world. As of 2013 it is still among the 20 longest spans. The bridge is 1,238 meters long, 37.2 meters wide. The towers are 195.41 meters high.





















 
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Discussion Starter · #19 ·
Nanjing 2nd Yangtze River Bridge North Branch 南京长江第二大桥北汊桥

Location: 32°13'38.49"N 118°47'31.69"E

The north bridge is 2,212 meters long and 32 meters wide, 6 lane expressway. The main span is 165 meters.



 
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Discussion Starter · #20 · (Edited)
Heyan Road Cross Yangtze River Corridor 和燕路过江通道

South Tunnel Location: 32° 9'11.53"N 118°48'30.55"E
West Bridge Location: 32° 9'25.28"N 118°46'22.08"E

This is a new cross river project includes a 4,215 meter long dual-tube tunnel in the south branch, and a bridge to the west bank and a bridge to the north bank in future. The project starts construction in Nov 9, 2017 and plan to open in 2022.







 
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