Bearing pads are used widely in precast concrete parking garages. They function as buffers between the separate concrete members to prevent damage and facilitate movement (much like cartilage between bones at joints).
Resisting natural disasters and reducing environmental impacts are major challenges in the United States. During an average year, there are 10 tropical storms (six of which become hurricanes) and more than 1200 tornadoes touching down.
For many years, designers and contractors have espoused tilt-up construction for providing a more airtight building envelope than competing wall assemblies, such as wood and metal stud wall, metal siding, and concrete and brick masonry. Now, code language may also be a supporting factor.
All over the United States, a hard truth is being uncovered—underneath carpet and vinyl tile in buildings everywhere, there lurks ugly concrete. With acceptance of exposed concrete floors on the rise, and remodeling continuing to dominate the construction market, plans to polish existing concrete subfloors are numerous.
Federal, state, and local specifiers continually seek affordable, durable, and aesthetically pleasing wall solutions to border bustling highways and adjacent neighborhoods. The principal purpose of these is typically to provide citizens with a visual barrier to the highway and sometimes to mitigate traffic noise.
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