一、概述橡胶支座在我国公路桥梁上应用已有40多年。原有的钢板弧形支座、滚轴支座,摇摆支座几乎全被橡胶支座取代。橡胶支座价格便宜、安装方便、维修简单,可以承受很大的竖向荷载,可以容忍较大的水平位移。最早的橡胶支座是素橡胶垫,后来才在其中加入薄钢板。 First, an overview Rubber bearings in China’s highway bridge has been applied for more than 40 years. The original steel arc bearings, roller bearings, rocking bearings are almost all replaced by rubber bearings. Rubber bearing cheap, easy installation, simple maintenance, can withstand a large vertical load, can tolerate greater horizontal displacement. The earliest rubber bearings were rubber pads, which were later added to the sheet.