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土工膜耐静水压测定仪

土工膜耐静水压测定仪按JG/T193-2006钠静水压测定标准设计制造。适用于各种钠基膨润土防水毯的耐静水压的测定,具有结构紧凑、操作简便等优点。在钠基膨润土防水毯两侧压差达到一定值后,防水毯就会被破坏。

  • 型号: NF-235

  • 产品参数
  • 型号: NF-235

 

一,土工膜耐静水压测定仪产品简介:
钠基膨润土耐静水压测定仪按JG/T193-2006钠静水压测定标准设计制造。适用于各种钠基膨润土防水毯的耐静水压的测定,具有结构紧凑、操作简便等优点。在钠基膨润土防水毯两侧压差达到一定值后,防水毯就会被破坏。逐级增加试样两侧水力压差,并保持一定时间,当出水口有水流出时,表明试样受到破坏,也就获得了试样的耐静水压值。
 the product introduction:
The sodium-based bentonite hydrostatic pressure tester is designed and manufactured according to the JG/T193-2006 sodium hydrostatic pressure measurement standard. It is suitable for the determination of hydrostatic pressure resistance of various sodium-based bentonite waterproof blankets, and has the advantages of compact structure and easy operation. After the pressure difference between the two sides of the sodium bentonite waterproof blanket reaches a certain value, the waterproof blanket will be destroyed. The hydraulic pressure difference between the two sides of the sample is increased step by step, and it is kept for a certain period of time. When there is water flowing out from the water outlet, it indicates that the sample is damaged, and the hydrostatic pressure resistance value of the sample is obtained.


二,土工膜耐静水压测定仪技术参数:
★试件尺寸:直径55mm
★大压力2.5MPa
★电源电压:380V 50hz
★外形尺寸:600X750X1200mm
★整机重量:150Kg
Second, technical parameters:
★ Specimen size: diameter 55mm
★Maximum pressure 2.5MPa
★Power supply voltage: 380V 50hz
★Dimensions: 600X750X1200mm
★ Machine weight: 150Kg

三,土工膜耐静水压测定仪使用说明:
★在距膨润土防水毯边缘100mm以上的位置上,画出直径与南55型渗透仪的透水石大小相同的圆形弧线,用滴管在圆形弧线周边滴适量水,5min后按圆形弧线裁切试样。
★将透水石放在南55型渗透仪的底部,在透水石上铺一层石英砂,将一块试样放在石英砂上,试样周围空隙部分用膨润土粉料添满压实,其高度与试样的高度相同,在试样的上面填满细砂,然后盖上另一块透水石和顶盖,拧紧螺帽,打开加压阀门给供水室适当加压.
★压力设定:开机后按设定键: “回”按移位键>; 再按调整键+和-;再调整数值,调好后,按设定键“回”;存入。在调整完下限数值后,按设定键可退出。1小时后下限上升为0.1MPa
时间清除:重新做实验,持续按“-”键不释放,首先显示时间值,10秒后时间可从0小时开始,“!”工作时不可误按。
★时间查阅:按“--” 键压力变为小时显示,上限为分钟,下限为秒。30秒后回到压力显示,
★零点调整:开机后在无压力时如不回零,按动一次,可置零。有压力时勿按清零键,放压后再置零.
当渗透仪内存气体全部从排气管排除后,立刻关闭阀门封闭排气管。
★保持30min,使试样充分膨胀,然后每隔1h打开加压阀门提高0.1MPa的水压,直至达到规定压力。若测试过程中出水口一直没有水流出,判定该试件的耐静水压性能合格,否则判定该试件的耐静水压性能不合格。
★检验结果计算依据相关标准进行。
Third, the instructions for use:
★Draw a circular arc with the same diameter as the permeable stone of the South 55 type permeation instrument at a position more than 100mm from the edge of the bentonite waterproof blanket. Drip the appropriate amount of water around the circular arc with a dropper, and press the circle after 5 minutes. The sample is cut by a curved line.
★ Place the permeable stone on the bottom of the South 55 type permeation instrument, lay a layer of quartz sand on the permeable stone, place a sample on the quartz sand, and fill the space around the sample with bentonite powder. The height and test The height of the sample is the same. Fill the top of the sample with fine sand, then cover another permeable stone and top cover, tighten the nut, and open the pressure valve to properly pressurize the water supply room.
★ Pressure setting: Press the setting button after power on: “Back” and press the shift button>; press the adjustment button + and -; then adjust the value, adjust it, press the setting button “Back”; save it. After adjusting the lower limit value, press the set key to exit. After 1 hour, the lower limit rises to 0.1 MPa.
Time clear: Re-do the experiment, keep pressing the "-" button to not release, first display the time value, 10 seconds after the time can start from 0 hours, "!" can not be mistakenly pressed.
★Time review: Press “--” key to change the pressure to hour, the upper limit is minute and the lower limit is second. Return to the pressure display after 30 seconds,
★ Zero adjustment: If there is no pressure after starting, if it does not return to zero, press once to set zero. Do not press the clear button when there is pressure, and then zero after releasing.
When the gas in the permeator is completely removed from the exhaust pipe, immediately close the valve to close the exhaust pipe.
★ Hold for 30 minutes, fully expand the sample, then open the pressure valve every 1h to increase the water pressure of 0.1MPa until the specified pressure is reached. If there is no water flowing out from the water outlet during the test, it is judged that the hydrostatic pressure resistance of the test piece is qualified, otherwise the hydrostatic pressure resistance of the test piece is judged to be unqualified.
★ The test results are calculated according to relevant standards.

四,土工膜耐静水压测定仪仪器维护:
试验完毕,打开排气、放水阀,清理仪器表面,把常试仓压盖,仓底盘,擦干并涂上防锈油脂,如设备长期不用,可打开主机右下方的放水阀门,将系统内部的水全部放出,以防冻裂。
Fourth, instrument maintenance:
After the test is completed, open the exhaust and drain valve, clean the surface of the instrument, press the test chamber cover, dry the bottom plate, dry it and apply anti-rust grease. If the equipment is not used for a long time, open the drain valve on the lower right side of the main unit and open the system inside. All the water is released to prevent cracking.


土工膜耐静水压测定仪

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