球(qiu)形支(zhi)座傳(chuan)力可靠，各向轉性能(neng)一致(zhi)，不(bu)(bu)僅具(ju)備(bei)盆式橡(xiang)膠支(zhi)座承載(zai)能(neng)力大(da)、水(shui)平(ping)位移(yi)大(da)的特點，而(er)且能(neng)適應大(da)轉角的需要，適用(yong)(yong)于(yu)(yu)(yu)寬橋、曲(qu)線橋。由于(yu)(yu)(yu)承壓部件(jian)(jian)不(bu)(bu)使(shi)用(yong)(yong)橡(xiang)膠件(jian)(jian)，不(bu)(bu)存在橡(xiang)膠低(di)溫脆(cui)性等影響,因(yin)此特別適用(yong)(yong)于(yu)(yu)(yu)低(di)溫地(di)區。