数显混凝土贯入阻力仪厂商热推工作原理 阻力仪是测定砼拌合物初凝与终凝的时间,塑性砼拌合物用5mm的筛从拌 合物中筛取砂浆,并拌合均匀分别装入三个砂浆筒中(即150mm立方体试模)经振捣(或插捣35次)使密实砂浆表面应低于筒口约10mm编号置于温度20±3℃的环境中以代试验,在其他较为恒定的温度中进行试验时,应在试验结果中加以说明,试验用砂浆允许按砼中砂浆的配合比称料,用工人或机械充分拌合完毕起经2h开始贯入度测试在测试5mm再将砂浆筒底的测高约50mm,使筒倾斜,吸取表面沁水,测试时砂浆筒置于测试平台上读记砂浆与筒重合作为基数,然后将测针端部与砂浆表面接触,按动手柄,徐徐加压经10S。使测针贯入砂浆深度25mm时读记表盘压力值,此值扣除砂浆和筒合重值后即为贯入压力(F)每只砂筒每次测1—2点此后每隔1h测一次,或根据需要规定测试的间隔时间,测点间距应大于20mm在临近初凝及终凝时间加密测点如此反复进行直至贯入阻力大于28MPa为止,测试过程中需根据砂浆的凝固情况,参考下列表规定适时更换测针。
数显混凝土贯入阻力仪厂商热推参数规格 1.试料模:上口径:Φ160mm 口径:Φ150mm 深度:150mm 2.大贯入力:1200N 3.大深度:25mm 4.贯入针截面积:100mm²,50mm²,20mm² 5.小分值度值:5N 示值误差:±10N 6.大测力:1000N 7.度盘精度:5N 8.测针圆面积:100mm²,50m 数显混凝土贯入阻力仪厂商热推公司介绍 献县鹏翼建筑仪器厂是目国内生产:公路试验仪器、建筑试验仪器的企业。在国内具有较高的知名度,本公司设备全,检测手段完善,技术力量雄厚。产品严格按照国家标准设计生产,除配套供应试验仪器设备外,我厂还承担新建试验室的规划设计,设备选型,安装调试,配件供应与后勤保障等业务。 PENGYI building instrument factory in Xian County is a domestic manufacturer of highway test instrument and building test instrument. In the country has a high visibility, the company's equipment, perfect detection means, strong technical force. Products in strict accordance with National Standards Design and production, in addition to supporting the supply of test equipment, I plant also undertake the new laboratory planning and design, equipment selection, installation and commissioning, spare parts supply and logistics support business. 数显混凝土贯入阻力仪厂商热推 更新时间:2024/2/20 8:48:22 标签:数显混凝土贯入阻力仪厂商热推 数显混凝土贯入阻力仪 |