Tilt Up (also called tilt-wall or tilt-slab) is a special concrete construction technique that involves forming walls, columns, and structural supports on an existing hard horizontal surface, then after curing, “tilting up” the newly formed concrete panels into place using a crane. This may normally require using the building floor as a form, but there may also be a temporary concrete casting surface near or on the construction site footprint.
The newly formed walls are then braced and positioned until the remaining structural components (e.g. roofs, doors and walls) can be constructed. Though a relatively cost-effective technique with shorter completion times, tilt up construction performs poorly in earthquake environments, thus requiring considerable seismic retrofit requirements in some older buildings.
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