门廊是由四叉树形支撑物构成，从每个绝缘基座上呈上升状，承受着建筑物的荷载。该设计减少了隔离桩的数量，并节省了使用。
The porch is set from quadruple tree-shaped supports that rise from each insulator to receive loads from the building. It reduces the number of insulators, and saves use.
随后，取圆柱体分布于两条相互平行的直线上，则问题演变为双排弹性桩屏障对于弹性波的隔离问题。
Then, all the cylinders are distributed in two parallel lines, which makes the problem turn into the vibration isolation using double row of elastic piles.
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