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Bridges and Tunnels

A bridge is a link between two places, such as over a river, a road or a depression, that caters to pedestrians and/or vehicles. A tunnel is an underground link between two places, often underneath a riverbed, for pedestrians and/or vehicles.

500 Questions

What are the five forces that act upon bridges?

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Asked by Wiki User

1.compression

2.tension

3.torsion

4.shear

5.gravity

Do tigers dig tunnels or holes?

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Asked by Marileen Rodriguez

They dig tunnels underground.

How much is a Triborough bridge and tunnel authority token worth?

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Asked by Wiki User

I have one in my possession some how, and it seems to be worth $3-$8

I bought some of these in the late 1980's for a face value of $4. The reason you wanted the token in your pocket was to speed your travel through the toll booths with the ability to use the "token only" unmanned lanes instead of making change in the "cash" lanes with a human attendant. Many people would buy 5 for $20 and then enjoy the convenience of using the faster "token only" lanes on their next 4 trips through the toll both area.

Apparently, these tokens are no longer used so their practical value is less than face value, really nothing. Their collector value varies on the condition of the token and the desire of the collector. The metal value of the copper looking bronze coin is probably very small, less than a dollar.

What is modular ratio in rcc?

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Asked by Wiki User

In reinforced concrete construction, the modular ratio refers to the modulus of elasticity of concrete to that of steel. It is used in structural design calculations to determine distribution of stresses between concrete and steel in beams and columns.

Is there a worksheet on 'through the tunnel'?

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Asked by Wiki User

I'm assuming you are looking for a worksheet related to the short story "Through the Tunnel" by Doris Lessing. There are many educational resources available online that offer worksheets, study guides, and lesson plans specific to this story. You can try searching for "Through the Tunnel worksheet" to find suitable materials.

What is the history of the nursery rhyme London Bridge is Falling Down?

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Asked by Wiki User

The origins of the nursery rhyme London Bridge is Falling Down are unclear, but it has been suggested that it may refer to the numerous collapses and reconstructions of the historical London Bridge. Other theories connect the rhyme to rituals or sacrifices made during the building of bridges in ancient times. The lyrics have evolved over centuries, and the rhyme continues to be popular among children today.

Can a marching army collapse a bridge?

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Asked by Kylerutter1

It is unlikely for a marching army to collapse a bridge unless the bridge was already structurally compromised. The weight distribution of marching soldiers is typically spread out enough to not generate enough force to collapse a bridge.

What is a bridge deck?

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Asked by Wiki User

is a cost effective, lightweight, modular deck system that lends itself to rapid construction

When is a truss called a rigid truss?

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Asked by Faisal31

A truss is a structure consisting of straight members

connected at their extremities only. The members being

slender and unable to support lateral loads, all the loads must

be applied at the joints; a truss may thus be assumed to

consist of pins and two-force members.

What are examples of natural structures?

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Asked by Wiki User

human skeleton

oven

egg shell

glasses case

coconut shell

pencil case

house

nut shell

car shell

tent for camping

piggy bank

easter egg

wardrobe

water bottle

Function of north bridge and south bridge?

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Asked by Wiki User

North Bridge: CPU, Memory, GPU

South Bridge: I/O devices, keyboard, mice, NIC card

What is polyacryl?

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Asked by Wiki User

Potassium polyacrylate

Identification Name Potassium polyacrylate

Molecular Formula (C3H6O2)n.(C3H5KO2)m

CAS Registry Number 25608-12-2

What is a steel mill?

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Asked by Wiki User

A Mini Mill, i.e. Electric Arch Furnace (EAF) melting shredded steel scrap &/or a combination of Hot Briquetted Iron (HBI) or Direct Reduce Iron (DRI).

What is the oldest known arch?

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Asked by Wiki User

It's the Mycenaen Arkadiko in Greece, built in 1300 B.C. It has a tiny arch in its middle. A more impressive but more recently built bridge is the Ponte Fabricio in Rome. It was built in 62 B.C.

Why were early people able to use the land bridge?

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Asked by Wiki User

Early people where able to use the Bering Land Bridge because during the Ice Age, a glacier came in between Alaska and Northeastern Asia and dropped the ocean level more than 300 feet.

'how much money do Project managers make'?

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Asked by Wiki User

The average amount a project manager gets payed is about £40k a year

What phobia is the fear of whirlpools or dizziness?

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Asked by Wiki User

Aquaphobia i think

Other Person: I have this phobia and Aquaphobia can also be called Hydrophobia which is also known as the fear of being in large bodies of water. Although some people (like me) can still drink and take regular showers in water.

What can cause pain in the tip of the nose?

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Asked by Wiki User

How about a pimple that is under the skin . Actually a build up of bacteria . Often it's an ingrown hair. If your Ph level is off you can get a very sore little bump inside the nostril, in your mouth on your tongue, sore gums or even a sore on your lip. In a day or so the bump will go away. Most people get them.

What do the bridges have in common?

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Asked by Wiki User

Bridges and tunnels help carry transport, goods and people. This also shortens the amount of time to travel from a place to another. They also both have different types of bridges and tunnels e.g. bridges- suspension bridge, cable-stayed bridge, beam bridge, rope bridge, swing bridge, arch bridge e.t.c. tunnels- road tunnels, high tunnels, wind tunnels, network tunnels e.t.c.

Every time you want to cross a bridge or tunnel you have to pay a toll to get through.

How many bridges are in pittsburg pa?

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Asked by Wiki User

The city of Pittsburgh, PA has 446 bridges. Some of its major bridges are the Fort Pitt Bridge, the Panhandle Bridge, the Smithfield Street Bridge, and the Liberty Bridge.

Where are beam bridges located in the world?

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Asked by Wiki User

there is a beam bridge in London and Australia ans the u.s.a.