Another strange feature of the Japanese pagoda is that, because the building tapers, with each successive floor plan being smaller than the one below, none of the vertical
pillars that carry the weight of the building is connected to its corresponding pillar above. In other words, a five- storey pagoda contains not even one pillar that travels right up through the building to carry the structural loads from the top to the bottom. More surprising is the fact that the individual storeys of a Japanese pagoda, unlike their counterparts elsewhere, are not actually connected to each other. They are simply stacked one on top of another like a pile of hats. Interestingly, such a design would not be permitted under current Japanese building regulations.
And the extra-wide eaves? Think of them as a tightrope walkers balancing pole. The bigger themassat each end of the pole, the easier it is for the tightrope walker to maintain his or her balance. The same holds true for a pagoda. With the eaves extending out on all sides like balancing poles, says Mr Ishida, the building responds to even the most powerful jolt of an earthquake with a graceful swaying, never an abrupt shaking. Here again, Japanese master builders of a thousand years ago anticipated concepts of modern structural engineering.
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