I posted this on the Technology board. Thought it would be of interest here also.A new type of fiber-reinforced bendable concrete will be used for the first time in Michigan this summer- and University of Michigan scientists hope that their new material will find widespread use across the country. The new concrete looks like regular concrete, but is 500 times more resistant to cracking and 40 percent lighter in weight. Tiny fibers that comprise about 2 percent of the mixture's volume partly account for its performance. Also, the materials in the concrete itself are designed for maximum flexibility. Because of its long life, the Engineered Cement Composites (ECC) are expected to cost less in the long run, as well. I am looking into buying a factory that manufactures Structural Insulated Panels. http://www.thermapanel.net/ The panels use fiber reinforced concrete boards, glued to 1 or 2 pound expanded polystyrene. (Depending on strength required.) The factory requires that these boards be made by another manufacturer. Hardy Plank, for example. I was thinking that if I wanted to build larger structures, like the foundation for a mobile home, I would need to manufacture my own fiber cement board. However, the boards have to be autoclaved, and that would present a whole new set of problems.While searching for information on the fiber cement boards I came across the bendable cement. I called the university and the professor sent me the PDF file with all of the specs on it. How can I get and engineer to decipher the information? I need to figure out what the tensile strength of the cement is when it is less than an inch thick. Once I know that, I can compare it to the Fiber Cement board and form a guesstimate of how strong a SIP panel this cement would make. I can use the truss simulator to get an idea of the stresses involved. http://www.jhu.edu/~virtlab/bridge/bridge.htm Any ideas would be appreciated.ThanksQazulight
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