Advertisement.

EnchantedLearning.com is a user-supported site.
As a bonus, site members have access to a banner-ad-free version of the site, with print-friendly pages.
Click here to learn more.

ad
(Already a member? Click here.)

Our subscribers' grade-level estimate for this page: 4th - 5th

St. Louis Arch Printout
EnchantedLearning.com
St. Louis Gateway Arch
US Symbols

St. Louis Gateway Arch The St. Louis Gateway Arch is an elegant monument to westward expansion in the USA. Located on the banks of the Mississippi River in St. Louis, Missouri, the 630-foot tall stainless steel arch rises above the city skyline. The Jefferson National Expansion Memorial consists of the Gateway Arch, the Museum of Westward Expansion, and St. Louis' Old Courthouse.

How the design was chosen: There was a nationwide competition in 1947-1948 to design a monument in St. Louis honoring western pioneers. The architect Eero Saarinen (August 20, 1910 - September 1, 1961) won the contest with his sleek arch.

Construction: Construction of the arch began on February 12, 1963, and was finished on October 28, 1965. It was opened to the public on July 24, 1967. (after one of the trams was completed). It cost about 13 million dollars to build. The two bases are equilateral triangles (triangles with three 54 foot-long sides). At the top of the arch, the triangle is only 17 feet long on each side. Visitors enter the arch from an underground visitors center and can travel to the observation deck at the top in a 40-passenger tram that runs inside the arch.

The arch has 60-foot deep foundations. The arch is very stable and was built to withstand high winds and earthquakes. The structure sways about one inch in a 20 mph wind; it is designed to sway up to 18 inches in 150 mile per hour winds.

catenaryThe Arch: The St. Louis Gateway Arch is in the form of an inverted catenary, which is a very stable structure that is often used in bridges, domes, and arches.

A catenary is the shape that a chain or necklace forms when held by the two ends. The Dutch mathematician Christiaan Huygens named this curve from the Latin word catenarius, which means "related to a chain."

The equation for a catenary curve is: y = k cosh(x/k) , where cosh is the hyperbolic cosine [cosh(x) = (ex + e-x)/2] and k is the y-intercept (where the curve hits the y-axis).

Facts and Figures about the St. Louis Gateway Arch:
Height 630 feet
Width at the base 630 feet
Weight 43,000 tons
Exterior composition Stainless steel
When it was built February 12, 1963 -October 28, 1965
Depth of the foundation 60 feet
Architect Eero Saarinen
Structural Engineer Fred Severud
Location In the Jefferson National Expansion Memorial, 11 North Fourth Street, St. Louis, Missouri, on the banks of the Mississippi River
Time it takes to travel in the tram to the observation deck at the top of the arch About 4 minutes (it travels at a rate of 240 feet per minute)
Number of steps in each leg of the arch (the stairs are used only for maintenance and emergencies) 1,076

Related Pages:
St. Louis Arch
St. Louis Gateway Arch Coloring Printout

Color the St. Louis Arch and read about it.



Missouri

Read about Missouri, its geography, symbols, etc.

Symbols of the USA

A page on some of the many symbols that represent the United States of America.


Enchanted Learning®
Over 35,000 Web Pages
Sample Pages for Prospective Subscribers, or click below

Overview of Site
What's New
Enchanted Learning Home
Monthly Activity Calendar
Books to Print
Site Index

K-3
Crafts
K-3 Themes
Little Explorers
Picture dictionary
PreK/K Activities
Rebus Rhymes
Stories
Writing
Cloze Activities
Essay Topics
Newspaper
Writing Activities
Parts of Speech

Fiction
The Test of Time
iPhone app
TapQuiz Maps - free iPhone Geography Game

Biology
Animal Printouts
Biology Label Printouts
Biomes
Birds
Butterflies
Dinosaurs
Food Chain
Human Anatomy
Mammals
Plants
Rainforests
Sharks
Whales
Physical Sciences: K-12
Astronomy
The Earth
Geology
Hurricanes
Landforms
Oceans
Tsunami
Volcano
Languages
Dutch
French
German
Italian
Japanese (Romaji)
Portuguese
Spanish
Swedish
Geography/History
Explorers
Flags
Geography
Inventors
US History

Other Topics
Art and Artists
Calendars
College Finder
Crafts
Graphic Organizers
Label Me! Printouts
Math
Music
Word Wheels

Click to read our Privacy Policy

E-mail


Enchanted Learning Search

Search the Enchanted Learning website for:



Advertisement.



Advertisement.



Advertisement.


Copyright ©2003 EnchantedLearning.com ------ How to cite a web page