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有人了解混凝土抗渗仪怎样安装使用吗

有人了解混凝土抗渗仪怎样安装使用吗

浏览：57次 | 提问时间： 06-29 09:49

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人各有志我不强求 06-29 09:49

1、试块制作养护：根据抗渗仪型号制作圆柱形或圆台形，每组6块，成型24h拆模，用钢丝刷刷去两端水泥浆膜，标养28d；2、试验前一天取出试块将表面晾干(如果不晾干，密封材料粘不住)；3、将试块侧面涂一层密封材料(一般用石蜡，也有用沥青的，但太脏)；4、将试块压入(用压力机最好)经烘箱预热过(30~40℃)的套模中，冷却后解除压力，装在抗渗仪上进行试验；5、试验水压从01Mpa开始，以后每隔8h增加水压01Mpa，并要随时注意观察试件端面的渗水情况；6、当6个试件中有3个试件断面呈有渗水现象时，即可停止试验，记录当时的水压。7、混凝土的抗渗标号以每组6个试件中有4个试件未出现渗水时的最大水压力计算，计算式为：S

有人疼才显得出众 06-29 09:58

10H－1式中：S――混凝土抗渗标号，H――6个试块中3个试块出现渗水时的水压力(Mpa)。

烟酒红唇社会姐 06-29 10:06

混凝土抗渗仪的安装及使用1、准备a、将抗渗仪器放置在平整、坚实的室内基础上，b、关闭位于箱体右下方的放水卸压阀c、开启6个控制阀d、初次使用，注水入箱，开启控制阀，启动电源，至6个模座内水溢出为止，以便排出系统内空气。e、关闭控制阀2、试件制作及安装a、试件成形养护，根据设计所要求的材料配比用成形模(亦称副模)制作成形，然后按部或国际标准的规范进行掩护。b、将养护好的试件表面晾干，然后在其侧面涂山熔化的密封材料(火漆或密封蜡)注意试件两端面，严禁涂有密封材料。c、将试模加热到40℃，然后将涂有食品搅拌机化工搅拌机螺条搅拌机螺带搅拌机框式搅拌机锚式搅拌机桨式搅拌机气动搅拌机高剪切搅拌机混合搅拌机分散搅拌机乳化搅拌机粉体搅拌机均质搅拌机高粘度搅拌机升降搅拌机轻便搅拌机多功能搅拌机密封材料的试件装入模腔，再在压机上(螺旋压力机或借用实验室的压力实验机)将试件压入试模中并冷却至常温，最好使用本厂配套生产的ht-200型多功能脱模机，既可装、脱模、又可劈裂试件，观察渗水深度。d、将装压好试件的试模安装在抗渗仪的工作台上，并均匀的拧紧螺丝帽3、接通电源，红色信号灯两，将电接点压力表上限指针调至01mpa下限指针与之可靠近但不能同时接触(约小于上限指针005mpa),然后摁绿钮启动电源，此时水泵开始工作，电接点压力表指针随水压上升而顺时针转动，注意观察压力上升是否正常，系统有无渗漏水现象，如有异常则应排除后才能进入试验。4、开启控制阀，即向相应的试体送入水压，注意观察实验室搅拌机小型搅拌机轻型搅拌机简易搅拌机便携搅拌机手握式搅拌机高速搅拌机低速搅拌机液体搅拌机固液搅拌机浆料搅拌机立式搅拌机卧式搅拌机侧入式搅拌机连续式搅拌机制药搅拌机试模底部有无渗出，如有渗出则需拧紧相应部位的压紧螺帽。5、进入正常试验后，每隔8小时增加工作压力01mpa，随时观察干粉搅拌机分散机涂料分散机高速分散机搅拌机分散机涂料分散机高速分散机搅拌机混合机试件端面有无渗水情况，如有渗水，则关闭相应的控制阀。6、当6个试件中有3个试件的端面有压力水渗出时，即可停止试验，记下十时毫的水压作为计算依据。7、试验结束，切断电源，打开放水卸压阀，使系统压力降至零，取下试模，8、从试模中压出试件，并清洗试模、模座、涂上防锈油，以备再用关键词：混凝土抗渗仪

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