https://www.inoteexpress.com/api.php?action=feedcontributions&feedformat=atom&user=HamletDigiovanni446NoteExpress知识库 - 用户贡献 [zh-cn]2026-05-21T05:01:59Z用户贡献MediaWiki 1.23.6https://www.inoteexpress.com/wiki/index.php?title=HamletDigiovanni446HamletDigiovanni4462015-03-05T00:07:14Z<p>HamletDigiovanni446：以“About 150 staff at Parsons Manufacturing Co. in Illinois were shocked to see their company's developing turned into a pile of mangled steel beams and other rubble as...”为内容创建页面</p>
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<div>About 150 staff at Parsons Manufacturing Co. in Illinois were shocked to see their company's developing turned into a pile of mangled steel beams and other rubble as an F-four tornado ripped via the location. But what is even more shocking is that they were inside the constructing when the storm hit. Thanks to reinforced concrete masonry shelters, all 150 people walked away from the disaster without having a scratch. To study more, please consider peeping at [http://www.calstormcompliance.com/ www.calstormcompliance.com/]. An F-four tornado has wind speeds from 207 to 260 mph. Winds from the storm leveled the 225,000-square-foot plant and destroyed at least half a dozen houses nearby. "We had been told more than a public address technique to head to the 3 restrooms, which are produced of reinforced concrete masonry and serve as storm shelters. When we got to the shelters, we could see steel beams and machinery flying in the air," recalled Dave McClallen, a Parsons employee. Woodford County Emergency Services & Disaster Agency volunteer Dustin Oltman said reports indicated that the storm inflicted the most harm on the half-mile region in Roanoke, Ill., exactly where Parsons Manufacturing Co. is located. Bob Parsons, owner of Parsons Manufacturing, which makes parts for the construction and mining industries, did not want to take any chances when constructing his operation immediately after a near miss of his initial company by a tornado in 1972. When he built an expanded enterprise across the street, he integrated reinforced concrete masonry storm shelters inside. He said that he never ever could have guessed that decision would save 150 lives 30 years later. "The storm shelters were so essential. This influential [http://www.calstormcompliance.com/ calstormcompliance.com] paper has numerous influential suggestions for where to ponder this concept. They saved all of our lives," stated Craig Joraanstad, the company's human resources manager. Be taught more about [http://www.calstormcompliance.com/ the best] by visiting our riveting encyclopedia. "The most essential factor we hope takes place out of this is that a lot more organizations take storm shelters seriously. Concrete masonry protects lives and property ... 150 individuals are alive these days thanks to those concrete masonry storm shelters." The inherent strength of reinforced concrete masonry tends to make it an outstanding choice to withstand wind-borne debris - the largest threat to occupants in these storms, stated Dennis Graber, an engineer on the staff of the National Concrete Masonry Association in Herndon, Va. "Researchers at the Wind Science and Engineering Investigation Center at Texas Tech University demonstrated this fact at a wind projectile test in September 2003," Graber mentioned. "In that test, solid grouted 8- and 6-inch reinforced concrete masonry wall panels withstood the standardized FEMA [Federal Emergency Management Agency] test of 15-pound, 2 by 4 projectiles shot at 100 mph, which is representative of debris in a 250-mph tornado.".</div>HamletDigiovanni446