Bridge Engineering

peletonwhoopUrban and Civil

Nov 26, 2013 (3 years and 22 days ago)

53 views

Bridge Engineering

Directions
:

Access the Building Big Website,
http://www.pbs.org/wgbh/buildingbig/bridge/index.html
,
to complete this assignment about bridge engineering.

1.

There are more than
________________

bridges in the United States.


2.

Beam b
ridges rarely span more than
________________

feet.


3.

The truss bridge consists of an assembly of
________________
.


4.

The Firth of Forth Bridge in Scotland is a cantilever bridge, a co
mplex
version of the
________________

bridge.


5.

Arch bridges have great natural strength and can span up to
________________

feet.


6.

Most suspension bridges have a truss system beneath the roadway to resist
bending and twisting

and can span 2000 to
_________
_______

feet.


7.

The Akashi Kaikyo Bridge is the longest suspension bridge in the wo
rld at a
length of
________________
feet and can withstand 180 mph winds and an
8.5 earthquake on the Richter Scale. It holds 3 world records for being the
________________,

________________, and ________________

suspension bridge ever built.


8.

The Brooklyn Bridge in New York City was completed in 1883 at a length of
________________
feet.


9.

The Chesapeake Bay Bridge
-
Tunnel is
________________

feet long,
________________
miles
from shore to shore.



10.

The Golden Gate Bridge in San Francisco was completed in 1937 at a length
of
________________
feet. The supporting cables are anchored with more
than 1
million tons of concrete and contain enough steel wire to circle the
earth
________________
times
.


11.


The Sunshine Skyway Bridge in Florida is the world longest cable
-
stayed
concrete bridge at
________________
feet.


12.

The Tacoma Narrows Bridge, built in Washington, was completed and
destroyed in 1940. Many drivers complained of sea
-
sickness and said it was
like riding a
________________
.



13.

Explain how the
Tacoma
-
Narrows Bridge

collapsed and what engineering
mistakes we
re made.





Complete
Forces Lab

,

Shapes Lab
, and
Loads Lab

to answer the following
questions


14.

List the
five

forces that affect bridges.





15.

Explain

the difference
between compression and tension.





16.

Explain
the difference between shear and torsion
.



17.


The shape of a structure affects how strong it is. The three most common
shapes used in construction of structures include arches, rectangles and
________________
.




18.

Explain how an arch can be strengthened.

Draw an example
.







19.

Explain how a rectangle
can be strengthened.

Draw an example
.







20.

Explain why triangles are the most stable and rigid shapes used in
construction
.




21.


Explain the affects of a Settlement Load.



22.


Explain the affects of a Thermal Load.



23.


Explain the affects of an Earthquake Load.



24.


Explain the affects of a Wind Load.



25.

Explain the affects of a Vibration Load.