支墩（buttress anchorage）指的是为防止管内水压引起水管配件接头移位而砌筑的礅座。
该刮泥机为中心支墩式中心传动，扁吸嘴自吸式吸泥；
It has a supporting block in the centre with central transmission. The sludge is removed by spontaneous imbibition through flat nozzle.
麦克唐纳说，把木材的片料和房子也埋进地里是为了构建支墩和堤岸。
McDonald said that timber crisps and houses were sunk into the ground to create piers and cliffs.
为了描述各支墩的侧向变位，对每个支墩都设定一个广义坐标和形状函数。
For every buttress a generalized coordinate and a shape function are assigned to describe its lateral displacement.
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