0
What else can I help you with?
What are the advantages of lift bridges?
The advantages of a lifting bridge is so big ships can pass through while people cross the bridge.
How many hills and bridge does the brook pass during its journey?
50
What is a bridge that lifts up in the center for ships called?
A drawbridge. There are different types of draw bridges. A bridge that lifts the roadbed straight up along two towers is called a lift bridge. One that tilts one side or the other using a cantilever system is called a cantilever bridge. A bridge that pivots the span from its center allowing vessels to pass on either side is called a swing bridge. All these bridges are considered draw bridges.
Why is the weight in the center of the bridge?
There could be a couple of reasons depending on what weight you are asking about. Some bridges use a counterweight mechanism to raise a section to allow boats under to pass. Some bridges might have a weight under the bridge to tune the frequency response of the bridge in a seismic or wind event.
Does an arch bridge move to let boats pass?
An arch bridge typically does not move to let boats pass, as it is a fixed structure designed to provide support and stability. However, some bridges, like drawbridges or bascule bridges, have mechanisms that allow them to lift or pivot to create a passage for boats. Arch bridges are generally used in locations where boat traffic is minimal or where the clearance is sufficient for vessels to pass underneath without requiring any adjustments.
Where would you see a working lift-bridge?
You can see a working lift bridge in places like Chicago, where the city’s numerous waterways require bridges that can accommodate both road traffic and maritime navigation. These bridges are often found over rivers or canals, allowing large boats to pass underneath when the bridge is lifted. Another notable example is the Tower Bridge in London, which is a famous tourist attraction and functional lift bridge.
What are some advantages of drawbridges?
One of the advantages of a draw bridge is lower cost to build. A draw bridge doesn't have the high piers and long approaches of conventional bridges. A disadvantage of a draw bridge is the long wait times as traffic is halted when the bridge is raised for passage.
What is it that man walks over man walks under and in time of war he burns when he plunders?
This riddle is referring to a bridge. Man walks over the bridge, boats pass under it, and during war, bridges are often burned to prevent the enemy from crossing and plundering.
Can you give me questions about bridges?
There are several questions that can be asked about bridges. Some of the questions are why do pleasure craft sometimes pass during restricted rush hour periods, can't a city change the hours for lifts, and is there a time of year that the openings of the bridges are heavier than others.
Why the boards on bridge are crooked?
Most bridges are not built with boards, and those which are built with boards usually have straight boards, not crooked boards. However, there is a lot of stress placed on bridges by the vehicles that pass over them, and boards could certainly be pushed out of position.
When is it safe to pass another vehicle when approaching a bridge?
It is safe to pass only when you are not entering the bridge and there is no oncoming traffic. It you do not have enough time to pass before a bridge wait until after you have crossed the bridge to pass.
What are the release dates for Backstage Pass - 2005 The Bridges?
Backstage Pass - 2005 The Bridges was released on: USA: October 2008
