Tilt-Up Academy > Pitfalls of Alternative Design Approaches
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Pitfalls of Alternative Design Approaches
Duration:
In most engineering firms tilt-up wall design is done by one of three methods: hand calculations, spreadsheets or similar calculations developed in-house, or using commercially available software. Once established in an office, the underlying assumptions of these methods are often used for some time without being revisited or updated, possibly because various code changes may seem inconsequential or the cliché “if it works, don’t fix it” seems to apply. At other times, engineers may believe they’ve improved upon the code provisions with alternate equations from research or simply using a much more involved computational process with complex iterations or finite element modeling. While it might be tempting to deviate from the design provisions within ACI 318, maybe with the intent to be more economical or more accurate, it is important that it is done with a clear understanding of the ramifications. This presentation will discuss some of the potential pitfalls of using alternate design approaches, which in reality can often be invalid and unconservative.
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Founded in 1986, the Tilt-Up Concrete Association (TCA) strives to improve the quality and acceptance of site-cast Tilt-Up construction - one of the fastest growing industries in the United States, combining the advantages of reasonable cost with low maintenance, durability, speed of construction and minimal capital investment. Over 10,000 buildings, enclosing more than 650 million square feet, are constructed each year using this construction method.
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