荣计达DYE-300砂浆压力试验�?参数-价格-中国粉体罐�/title>

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$(this).css({"color":"#1479d7","border-bottom-color":"#1479d7"}); }); }); </script>  <div class="cpjj"> <p><strong><span>砂浆压力试验朹�/span></strong><span>是我公司卆�/span><span>**</span><span>产品、�/span><span>智能仪表</span><span>可换算压强值，自动换算每组试块的平均值，</span><span>主要</span><span>用于测定水泥、砂浆小梁试块的抗压强度之用、�/span><span>砂浆压力试验朹�/span><span>�?/span><span>电动液压加荷</span><span>咋�/span><span>传感器测劚�/span><span>方面都有很大改进</span><span>，智能仪表显示力倻�/span><span>更加稳定</span><span>。不受自然气频的影响，示值灵敏度高，结构紧凑，造型新颖，操作方便，维修简单，运输方便等优炸�/span><span>、�/span></p><p><strong></strong></p><p><strong><span>砂浆压力试验朹�/span></strong><span>技术参数；</span></p><p><span>☄�/span><span>A</span><span>大载荶�/span>: 300KN</span></p><p><span>★准确度筈�/span><span>**</span><span>:一</span><span>**</span></p><p><span>★测力范図�30--300KN</span></p><p><span>☄�/span><span>A</span><span>小分辨率</span>: 0.1KN</span></p><p><span>★仪表使用电厊�220V��10%</span></p><p><span>★电机使用电厊�380V��10%</span></p><p><span>★电动机功率: 0.75KW</span></p><p><span>★示值相对误�? ��1%</span></p><p><span>★油厊�/span><span>A</span><span>大压弹�/span>: 25MPa</span></p><p><span>★外形尺寷� 840X530X1450mm</span></p><p><strong></strong></p><p><strong><span>砂浆压力试验朹�/span></strong><span>，砂浆抗压强度试验方泔�/span></p><p><span>★采用立方体试件，每组试� 3 个� </span></p><p><span>★应用黄油等密封材料斜抹试模的外接缝，试模内涂刷薄层机油 或脱模剂，将拌制好的砂浆一次性装满砂浆试模，成型方法根据稠度 而定。当稠度�?0 ㎜时采用人工振捣成型，当稠度<50 ㎜时采用振动 台振实成型� 1)人工振动：用捣棒均匀地由边缘吐�/span><span>�?/span><span>按螺旋方式插换�/span> 25 次， 插捣过程中如砂浆沉落低于试模口，应随时添加砂浆，可用油灰刀� 捣数次，并用手将试模一边抬� 5 ㎜～10 ㎜各振动 5 次，使砂浆高 出试模顶� 6 ㎜～8 ㎜� 2)机械振动：将砂浆一次装满试模，放置到振动台上，振动时试 模不得跳动，振动 5�?0 秒或持续至表面出浆为歡�不得过振� </span></p><p><span>� 待表面水分稍干后，将高出试模部分的砂浆沿试模顶面刮去� 抹平� </span></p><p><span>★试件制作后应在室温�?20��5)℃的环境下静�?24��2)h，当气温 较底时， 可适当延长时间� 但不应超过两昼夜� 然后对试件进行编号� 拆模� 试件拆模后应立即放入温度�?20��2)℃相对湿度为 90%以上� 试件拆模后应立即放入温度� � 以上� 标准养护室中养护。养护期间，试件彼此间隔不小� 10 ㎜，混合� 标准养护室中养护 浆试件上面应覆盖以防有水滴在试件上� </span></p><p><strong><span>砂浆立方体试件抗压强度试骋�/span></strong><span>应按下列步骤进行</span>: DYE-300砂浆压力试验朹�/span></p><p><span>★试件从养护地点取出后应及时进行试验。试验前将试件表面擦 试干净，测量尺寸，并检查其外观。并据此计算试件的承压面积，� 实测尺寸与公称尺寸之差不超过 1 ㎜，可按公称尺寸进行计算; </span></p><p><span>★将试件安放在试验机的下压板(或下垫板)上，试件的承压面� 与成型时的顶面垂直，试件</span><span>�?/span><span>应与试验机下压板</span>(或下垫板)</span><span>�?/span><span>寸�/span><span>准。开动试验机，当上压板与试件</span>(或上垫板)接近时，调整球座，使 接触面均衡受压。承压试验应连续而均匀地加荷，加荷速度应为每秒�?.2kN�?.5kN(砂浆强度不大� 5Mpa 时，宜取下限，砂浆强度大 � 5Mpa 时，宜取上限)，当试件接近破坏而开始迅速变形时，停� 调整试验机油门，直至试件破坏，然后记录破坏荷载、�/span></p><p><strong><span>砂浆压力试验朹�/span></strong><span>砂浆立方体抗压强度应按下式计算：</span></p><p><span>Fm，cu=Nu (9.0.5) A 式中 fm，cu_____砂浆立方体试件抗压强�?Mpa); NU_____试件破坏荷载(N); A_____试件承压面积(mm2) 砂浆立方体试件抗压强度应</span><span>**</span><span>臲�/span> 0.1Mpa� 以三个试件测值的算术平均值为 1.3 �?f2)作为该组试件的砂� 立方体试件抗压强度平均�?</span><span>**</span><span>臲�/span> 0.1Mpa)� 当三个测值的</span><span>A</span><span>大值或</span><span>A</span><span>小值中如有一个与中间值的差值超迆�/span><span>中间值的</span> 15%时， 则把</span><span>A</span><span>大值及</span><span>A</span><span>小值一并舍除，</span><span>取中间值作为该</span><span>**</span><span>试件的抗压强度倻�/span>;如有两个测值与中间值的差值均超过中间值的 1 5%时，则该组试件的试验结果无效、�/span></p><p>点击搜索９�a>混凝土压力试验机</p> </div>  <div class="cxd"> <div class="cxd_tit"><span></span>创新炸�/div> <p style=" color: #333; 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