板式支座按形状划分:矩形、圆形两种产品。 按是否能够提供水平位移划分为:聚滑板支座和普通橡胶支座。 圆形板式橡胶支座在英文中翻译为Circular plate rubber bearing 板式支座 板式橡胶支座由多层天然橡胶与至少两层以上相同厚度的薄钢板镶嵌、粘合、化而成一种桥梁支座产品。 该种类型的橡胶支座有足够的竖向刚度以承受垂直荷载,且能将上部构造的压力可靠地传递给墩台;有良好的弹性以适应梁端地转动;有较大地剪切变形以满足上部构造的水平位移; Plate support Plate rubber bearing is a kind of bridge bearing product, which is inlaid, bonded and vulcanized by multi-layer natural rubber and at least two layers of steel sheet of the same thickness.