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衡水衡通路桥养护工程有限公司地处河北省衡水市,是一家全范围性路桥养护企业,主营压浆料、灌浆料、高强无收缩灌浆料、聚合物砂浆、快干水泥、碳布胶、灌注胶、裂缝胶、植筋胶厂家、粘钢胶厂家;承接的施工业务有:更换桥梁支座、伸缩缝安装更换、桥面隧道防水抛丸施工、桥梁加固维修、桥墩水下腐蚀维修加固、隧道防水涂装、水泥面修护施工、隧道渗水处理、桥梁绞缝封闭注胶等。
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板式橡胶支座由多层天然橡胶与薄钢板镶嵌、粘合、硫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的转动;有较大的剪切变形以满足上部构造的水平位移;
橡胶支座是由多层薄钢板与多层橡胶片硫化粘合而成一种普通橡胶支座产品,这种产品具有足够的竖向刚度,能够将支座上部构造的反力可靠的传递给墩台,支座具有良好的弹性,以应对桥梁的梁端的转动;又有较大的剪切变形能力,以满足上部构造的水平位移。
该产品目前执行的标准为以下三个:
公路行业标准:JT/T4-2004 公路桥梁板式橡胶支座
铁路行业标准:TB/T 1893-2006 铁路桥梁板式橡胶支座
标准:GB 20668.4-2007 橡胶支座 第4部分:普通橡胶支座
特点
具有构造简单、安装方便、节省钢材、价格低廉、养护简便、易于更换等特点。
在板式支座表面粘复一层1.5mm-3mm厚的聚四氟乙烯板,就能制作成聚四氟乙烯滑板式橡胶支座它除了竖向钢度与弹性变形,能承受垂直荷载及适应梁端转动外,因聚四氟乙烯板的低摩擦系数,可使梁端在四氟板表面自由滑动,水平位移不受限制,特别适宜中、小荷载,大位移量的桥梁使用。