Crack propagation intro

Cracking the news: noteworthy quotes and happenings

Fracture incidents don't make the news very much, but you can be sure that they happen. But sometimes cracks do make the news; more often, cracks make the news in people's quotes, usually to denote the break down of a situation. There's more than one way to make a crack.

Unfortunately, as of August 1, 1999 Cracking the News will no longer be maintained at this end.

But you can crack the news yourself: click here. Have fun Cracking the News!

Thursday Jun 29, 1999

A woman fell 20 feet into a large crack near the top of Mt. St. Helen (#) in Oregon. She was rescued by fellow hikers and taken to the hospital to be treated for serious back injuries.
States News Service: Oregon headlines

Tuesday June 13, 1999

A 3.2 inch crack was found in a pipe at a nuclear power plant in Japan, causing leakage of radioactive water. The pipe is of stainless steel and the crack was found in the curved portion. Officials were using sound waves to determine the causes of cracking.
"Crack in Pipe at Japan Nuke Plant," AP World Headlines

Friday June 9, 1999

Continental Airlines Flight 743 plunged 500 feet and scared alot of people. The plane suffered creacking in an overhead area in the rear.
"Continental Flight Hits Turbulence," Raymond Hainey, AP Headlines

Thursday June 17, 1999

Yosemite National Park (#) is cracking up -- the cliff at the park has a 30-foot long crack wide enough to stick your hand in. Granite fell from the cliff yesterday killing a climber.
"Yosemite Cliff Cracks," States News Service, Yosemite National Park, Ca headline

Wednesday June 16, 1999

An earthquake in Mexico registering 6.7 on the Richter scale this week took 17 lives and wreaked havoc to many buildings and streets. Injections of concrete will be used to close the cracking in the 17th Century Church of the Company of Jesus, one of the most damages structures.
"Mexico quake threatens historic buidings," Caroline Brothers, Reuters

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Sunday June 6, 1999

Micro-cracking on the wings of Japan's next-generation F-2 jet fighter were discovered this week. The fractures could cause "the jet to break up in mid-air." The carbon-graphite wings have caused numerous problems in the prototype.
"Japan Jet Fighter Plagued by Flaws," Associate Press headlines

Deep cracks in the very dry dirt between crops in Ciudad Obregon, Mexico are evidence of the lack of irrigation the three nearby dams are providing. A two year drought has caused the cancellation of the summer planting season.
"Mexican Drought Hurts Cattle, Crops," Assoicated Press headlines

Wednesday June 2, 1999

Quote from Reuters on the state of politics surrounding the Three Gorges Dam in China: "...Chinese are searching anxiously for cracks in the facade of unity among top leaders." More on the Three Gorges Dam [intermediate][advanced].
"ANALYSIS -- Chinese leaders united, at least for now," Anderw Browne, Reuters

Sunday May 30, 1999

The 452-foot high Giza Pyramid in Cairo, Egypt will reopen soon, after a year of restoration. Restoration included, among other things, mending all the cracks in the temple's stone. Crystallized humidity deposited salt on the walls causing the crack propagation. The humidity was due to 5000 people breathing in the pyramid during visitig hours every day. A new ventilation system was also installed and visitors will now be limited to 300 a day.
"Great Pyramid Reopens Thiw Week," Mariam Sami, Ap Headlines

Thursday May 20, 1999

A crack in water line in Placerville, California has allowed silt to seep into the water supply -- brown drinking water. Although it does not pose a health risk, repairs are underway.
"Silt Invades County's Water Supply," States News Service: Placerville, California headline (5/19/99 also)

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Tuesday May 18, 1999

A crack in a main water pipe in Atlantic City has caused a water emergency in Atlantic City, NJ tonight. The pipe is 87 years old and four feet in diameter; it is one of only two pipes carrying water into the city. A large crack in the valve was found earlier this week; a full break would result in no water for a week in the city. They are repairing it.
"Atlantic City Declares Water Emergency," States News Service: Atlantic City, NJ headline (5/19/99 also)

Tuesday May 4, 1999

Thirteen people were killed when a tourist boat sank near Hot Springs, Arkansas. The cause? Likely a crack in the drive shaft cover.
"Boat Accident Probe Continues," States News Service: Keithville, Louisiana headline

Wednesday March 31, 1999

"'As little as three years ago most people thought the tobacco industry was invulnerable. This case shows we have a crack in the dam,' said John Banzhof, executive director of Action on Smoking and Health."
William McCall, "Jury Awards $81M in Tobacco Lawsuit," Associated Press

Monday April 26, 1999

The Federal Aviation Administration (#) ordered Boeing 737's be inspected for fatigue cracks (*) in the aft pressure bulkhead, which stabilizes cabin air pressure. The cracks could cause rapid decompression of the cabin if not repaired. Cost of inspection could be up to $600 per plane. The fatigue cracks are caused by repeated expansion and contraction which takes place during takeoff and landing. Inspections must be repeated every 1200 cycles.
"FAA orders inspection of Boeing 737 bulkheads," Reuters