Lihe pontoon bridge and Shunhe pontoon bridge in Lijin county are important transportation hubs connecting the two sides of the Yellow River, which promote cross-strait ties and facilitate people's travel.

In April of 20021year, the original main lane of Lihe pontoon bridge and Shunhe pontoon bridge remained unchanged at 9 meters, and the side lane was widened from 2 meters to 2.93 meters, reaching the two-way four-lane traffic standard, and a special lane for small vehicles was set up, which could realize the two-way lane separation between dangerous chemical vehicles and ordinary vehicles.

Through the reconstruction, the daily maximum traffic flow of Shunhe pontoon increased from 4500 to 7000, and Lihe pontoon increased from 7000 to 1 1000. The safe traffic capacity of the pontoon bridge will be greatly improved, and the traffic congestion problem will be effectively alleviated.

float bridge

There are two structural forms of pontoon bridge. The traditional form is to erect beams on ships or pontoons, and then lay decks. The other is the combination of ship and beam, or the ship is connected end to end in a row, or the ship is tight.

Closely arranged in a belt. In order to keep the axial position of the pontoon bridge from deviating, cable anchorage should be set up upstream and downstream. In order to connect with the two banks, the two banks should be provided with transition beams or springboard. In order to adapt to the fluctuation of water level, lifting docks or lifting trestles should be set up on both sides of the river.

The pontoon bridge can be used for pedestrians, highways and railways. Its structure is not complicated, and it is convenient to assemble and disassemble, but its maintenance cost is high. It can usually be used for emergency disaster relief or as a temporary transportation facility.

Above Baidu encyclopedia-pontoon bridge