What are the world s most famous multi bridge cities, and what are the characteristics of each of th

Venice, Italy, is a world-famous water city, located at the northern tip of the Adriatic Sea, on 118 trails in Lake Laguna, 4 km from the mainland. The city and its surroundings are surrounded by 177 man-made or natural waterways, some of which are up to 70 meters wide, while most are only two or three meters wide, with a total length of 45 kilometers. More than 400 bridges of various types have been built to connect the various parts of the city, making it the most bridged city in the world.

Venice also has a 4-kilometre-long railway bridge between the continent and a 228-arch road bridge. The main means of transportation in the city are by motorboat and a type of gondola called a small boat. Venice has a population of about 360,000, and more than 3 million people from all over the world come to visit every year.

Hamburg has more than 2,300 bridges, which is the city with the most bridges in the world, and the city with the most bridges in China is Suzhou, which is still densely packed with bridges, with more than 310 bridges of various sizes, known as the "Venice of the East".

Yichang has become the city with the most Yangtze River bridges in China.

Chongqing is the city with the most bridges in China and can be called the bridge capital of China.

Venice in Italy, Amsterdam in the Netherlands, and some small cities in our country's Jiangnan water towns. There is more water, more rivers, and naturally more bridges.

1. According to usability: highway bridges, road and railway bridges, pedestrian bridges, machine farming bridges, water bridges, etc.

2. According to the size of the span and the total length of multiple spans, it is divided into: extra-large bridges, large bridges, middle bridges, small bridges and culverts.

Among them: extra-large bridge: multi-hole span with a total length of 500 meters, single-hole span 100-meter bridge:

The total length of the porous span is 100 meters, the total length of the single hole span is 40 meters, the middle bridge: 30 meters, the total length of the multi-hole span < 100 meters, the 20 single hole span < 40 meters, the small bridge: 8 meters, the total length of the multi-hole span is 300 meters, 5 The single hole span < 20 meters culvert:

The total length of the multi-hole span is <8 meters, and the single-hole span is < 5 meters.

3. According to the location of the roadway, it is divided into: upper bearing bridge, middle bearing bridge, and lower bearing bridge.

4. According to the stress of load-bearing components, it can be divided into: beam bridges, plate bridges, arch bridges, steel structure bridges, suspension bridges, and composite system bridges (cable-stayed bridges, suspension bridges).

5. According to the service life, it can be divided into: permanent bridge, semi-permanent bridge, and temporary bridge.

6. According to the type of material, it is divided into: wooden bridge, masonry bridge, reinforced concrete bridge, prestressed bridge and steel bridge.

The four basic bridge types of bridges: beam bridges, pontoon bridges, rope bridges, and arch bridges Around the time of the Han Dynasty, there were four basic bridge types of bridges: beam bridges, pontoon bridges, and rope bridges.

Genus and arch bridges have all been produced. According to the different building materials and structural forms, these four kinds of bridges have evolved respectively: wooden bridges, stone bridges, brick bridges, bamboo bridges, salt bridges, ice bridges, rattan bridges, iron bridges, reed bridges, stone pillar bridges, stone pier bridges, flood bridges, outrigger bridges, covered bridges, wind and rain bridges, bamboo bridges, stone slab bridges, opening and closing bridges, zipline bridges, trilateral arch bridges, pointed arch bridges, round arch bridges, arch bridges, solid belly arch bridges, tan arch bridges, crane bridges, rainbow bridges, channel bridges, curved bridges, fiber road bridges, cross bridges, and plank roads, flying pavilions, etc., almost everything. Any form of ancient bridge can be found in our country.

According to the main materials, it is divided into four basic types: wood, stone, brick, bamboo, rattan, iron, salt, ice, and paper bridges According to the structure and appearance, it is divided into four basic types: beam bridges, pontoon bridges, rope bridges and arch bridges. According to the shape of the bridge plane, there are orthogonal bridges, inclined bridges and curved bridges, other shapes of flying pavilions and plank roads, channel bridges and fiber road bridges, as well as curved bridges, fish swamp flying beams and feng shui bridges. It's not easy to buckle the word, if it is helpful to you, I hope to click on the "Adopt as the answer" below, and encourage me to continue to answer for other netizens!