| 摘要 |
AIM: To insulate the foundations and the rest of the construction from earthquakes. <??>The anti-seismic plates (2) are airtight containers divided into two parts. In part (B) a vacuum is produced so that the longitudinal or primary seismic waves that are spread by means of solids and fluids become cancelled out to a large degree. In part (A), a liquid has been introduced under pressure to cancel out the lines of force from the transversal or secondary waves that are spread by means of solids. <??>It must be highlighted that (F1) is the lateral force of the superficial seismic wave that acts on the plate, producing pressure on the liquid that compresses the footing (1) with a resulting zero. (F2) would be the imbalance of the faces that put pressure on the ground. <??>APPLICATIONS: all types of foundations, large areas to save infrastructures, etc. <??>ALTERNATIVES: conical footings, underground walls, support for beams, etc. <IMAGE>
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