![]() Question: Why are you designing your own stack? There are half a dozen companies that specialize in this kind of work and can do a better job faster and cheaper. RE: guyed stack design Polecat (Structural) 29 Jul 00 09:41 I invite people to visit my website if you wish to discuss these issues further. The nature of what you need simply demands some sophistication. I'm sorry there's no quick fix for you here. Here you can get a DOS based finite element analysis program called C-Straad which will solve the nonlinear problem and then interface with a steel design module to size the member. It is used mainly by power companies to design large transmission poles, guyed or not.Īnother source is from Eaglepoint Software in Iowa. The software I use is from Powerline Systems in Wisconsin and will even optimize the diameter and thickness of the steel needed to do the job. A guyed structure needs to be analyzed as nonlinear and will therefore require a series of trial and error iterations until convergence is reached. Yes there is a software package available that will do what you want, but it is not "inexpensive." No software that can do this will be cheap. If the frequency is less than 1 hertz, then the structure is treated as a flexible member and the gust effect goes up. The gust factor is affected by the shape and natural frequency of the structure. In addition to basic pressure, you will need to account for height, gust, shape and terrain factors. Just knowing the conversion from mph to psf pressure is only a small part of the problem. The intruder left with "a peach, an apple, maybe a few snap peas" that he found on the kitchen counter, Drummond said, along with a white hat that he soon lost as he fled past a neighbor's yard.First of all, you need to get a copy of ASCE 7-95, Minimum Deaign Loads for Buildings and Other Structures. Parents are trying to do the COVID balance of working and managing their children," Drummond said Wednesday. "We're still operating in this half-normal life right now, meaning the kids are off school. He believes Cavalcante came in through French doors that had a broken lock - and perhaps was nearby when his family was talking about the problem as they locked up the house that night. ![]() Ryan Drummond, whose Pocopson home was broken into late Friday by a man believed to be Cavalcante, voiced similar views. My husband has to come outside with me and, you know, it's just an uneasy feeling," said Danielle Lawrence, of Pocopson, which is near the county's jail, roughly 25 miles (40 kilometers) west of Philadelphia. "It's unnerving to know that I can't stand in my backyard with my dogs. That sighting led officials to move the search area farther south Tuesday after they determined Cavalcante had likely slipped through the original perimeter set by hundreds law enforcement officers, including heavily armed police.Īuthorities have urged residents to keep their homes and vehicles locked, to check the properties of vacationing neighbors and to look out for missing cars, bicycles or other transportation Cavalcante might use. He had been spotted Monday night at Longwood Gardens, where trail surveillance video captured him walking through the garden's grounds. Two suburban Philadelphia school districts remained shuttered and one of the nation's premier botanical gardens was closed Wednesday as authorities kept up their search.Ĭavalcante has been spotted six times since he escaped, most recently Tuesday night when he was seen in a residential area but soon disappeared into the woods. He had been captured in Virginia after Brandao's killing and authorities believe he was trying to return to Brazil. The Pennsylvania attorney general's office has taken over the escape investigation, he said. The prison is considering adding officers to the yard during recreation times, as well as caging in the top of those yards, Holland said. He said the prison was fully staffed when Cavalcante broke out. "What was perhaps overlooked was the fact that addressing the single point of physical countermeasures should have been bolstered by additional means. Holland said the prison had brought in a consultant after the first escape in May and added razor wire to that area. It shows the 34-year-old Cavalcante standing in a passageway next to the jail yard before bracing his hands on one wall and his feet on another then "crab-walking" up the walls out of the camera's view. ![]() Howard Holland, the acting warden of the Chester County Prison, played a security video at a news conference Wednesday. National What we know about the search for escaped Pennsylvania inmate Danelo Cavalcante
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