Pipe industry professionals have observed the use of precision measurement technology without a full appreciation of the limitations of the equipment and the human factors involved. All parties involved should be aware of the insignificance of a 0.01-inch crack. Spangler, a well-respected authority and early pioneer in the design of concrete pipe, should be taken into consideration when designing, installing, inspecting, or funding a project using reinforced concrete pipe, (RCP). Such a conclusion is utterly ridiculous and represents a disservice, not only to the concrete pipe industry, but taxpayers as well.” This quote from Professor M.G.
“Some engineers insist that a crack in a concrete pipe in excess of 0.01-inch represents a failure or partial failure situation. Cracks in Installed Reinforced Concrete Pipe
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