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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><strong><strong>自密实混凝土拌合物稳定性跳桋�/strong></strong>概述</p><p> 执行标准《自密实混凝土应用技术规程》JGJ/T283-2012本方法适用于测试新拌自密实混凝土拌合物稳定性、�/p><p><strong><strong>自密实混凝土拌合物稳定性跳桋�/strong></strong>主要参数</p><p>1.振动部分总重量： 4.35 kg��0.15kg</p><p>2.振幅� 25mm��2mm</p><p>3.振动频率� 1Hz</p><p>4.振动次数� 25欠�/p><p>5.桌面参数９�/p><p>材料� 铸钢，工作面镀硬铬</p><p>直径� ��300mm+1mm</p><p><strong><strong>自密实混凝土拌合物稳定性跳桋�/strong></strong>安装调试</p><p>1.仪器必须可靠接地、�/p><p>2.仪器用膨胀螺栓固定在基座上。仪器基座由混凝土浇筑而成(或砖混基础)，底面尺寸约�?00mm��400mm，高�?90mm。在基座和仪器机架之间宜填垫圈，可通过调整垫圈高度调节桌面水平</p><p><strong><strong>自密实混凝土拌合物稳定性跳桋�/strong></strong>试验步骤９�/p><p>1 首先将自密实混凝土拌合物用料斗装入稳定性检测筒内，平至料斗口，垂直移走料斗，静置l min，用抹刀将多余的拌合物除去并抹平，要轻抹，不允许压抹、�/p><p>2 将稳定性检测筒放置在跳桌上，每秒钟转动一次摇柄，使跳桌跳�?5次、�/p><p>3 分节拆除稳定性检测筒供应商河北大宏实验仪器有限公司，并将每节筒内拌合物装人孔径为5mm的圆孔筛子中，用清水冲洗拌合物，筛除浆体和细骨料，将剩余的粗骨料用海绵拭干表面的水分，用天平称其质量，精确到1g，分别得到上、中、下三段拌合物中粗骨料的湿重：m1、m2和m3、�/p><p><strong><strong>自密实混凝土拌合物稳定性跳桋�/strong></strong>维护与保兺�/p><p>　　使用完毕后，应擦净仪器，清除仪器周围残留胶砂，用轻油稍稍润滑推杆、桌面和凸轮表面。长期不用，仪器应防尘保护供应商河北大宏实验仪器有限公司，控制器放置在包装盒内。如仪器不计数，请检查接近开关是否松动、与凸轮间隙是否�?mm~2mm，如有偏离或松动，请调整间隙后紧固、�/p><p><strong><strong>自密实混凝土拌合物稳定性跳桋�/strong></strong>售后服务承诺９�/p><p> 1、我方保证所供货物是全新，未使用过的、�/p><p> 2、我公司生产、销售的所有产品保修期�?年，质量保证期时间自产品终验收合格双方签字并交付使用之日算起供应商河北大宏实验仪器有限公司，保修期内免费维修或更换设备（人为因素所引起的故障除外）、�/p><p> 3、保修期外我公司终身提供设备有偿维修服务，并优惠提供备品备件服务、�/p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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