Method for sailing under low bridge

Abstract

The invention discloses a boat running method in low bridge sea-route. It constructs the tail gate in the bridge bottom, when the boat in the sea-route, the tail gate is opened and the boat is in the tail gate; when the door is closed, the water in tail gate is pumped out and the boat height is to decrease according to the bridge; one method is the boat only passes the bridge bottom while the tail gate is fixed on the bridge sea-route; the other is the tail gate is movable and the tail gate is pulled or through the seal-route. Then the water is drained into the gate when it reaches the out level, the boat is out of the tail gate. The invention is proper for all kinds of the sea-route in high boat and low bridge.

Description

technical field [0001] The invention relates to a method for sailing a ship in a bridge bottom channel with a high ship and a low bridge, which belongs to the field of fixed buildings. Background technique [0002] At present, the demonstration of building bridges generally considers the problem of navigation under the bridge first. However, in the rivers in the southeast coastal cities of my country, the riverbed is generally only a few meters long. Considering the navigation under the bridge, the bridge must be built very high, generally more than 20 meters. , and also occupied a large amount of land due to the slope problem, and most of them had to demolish more buildings and relocate more residents. Passing vehicles also have to climb slopes after completion, and some vehicles have to detour to increase the driving distance, which also leads to increased energy consumption and transportation costs. Taking the Nanjing Yangtze River Bridge as an example, the length of the...

AI Technical Summary

Problems solved by technology

However, in the rivers in the southeast coastal cities of my country, the riverbed is generally only a few meters long. Considering the navigation under the bridge, the bridge must be built very high, generally more than 20 meters. , and also occupied a large amount of land due to the slope problem, and most of them had to demolish more buildings and relocate more residents

After the completion, the passing vehicles must also climb the slope, and some vehicles have to detour to increase the driving distance, which also leads to increased energy consumption and transportation costs

Taking the Nanjing Yangtze River Bridge as an example, the length of the main river bridge is more than 1,500 meters, but the length of the bridge to be built is more than 6,700 meters. The one-time investment of the project increases, due to the more land occupied on both sides of the slope, more houses to be demolished, and more people to be relocated , these figures are easy to calculate and are only one-time, but now more than 200 passenger and freight trains and more than 60,000 vehicles pass by every day. The increased energy consumption due to climbing and detours is difficult to calculate, and it is long-term