Geotextile thickness gauge
Installation and test procedures
1,
Instrument installation:
1.1
After unpacking the instrument, wipe the wood chips and other dust particles with a clean soft cloth.
It is placed on the work surface at an appropriate height, and a soft and hard cushion is placed under each of the four corners.
Degree of rubber sheet.
1.2
Rotate the bottom corner adjustment screw to view the leveler to center the bubble and allow the four soles to touch the rubber sheet in a solid manner.
1.3
Place the accessory box that came with the instrument next to it for backup.
2,
experiment procedure:
2.1
The tester must sample according to the relevant test method standards, so that the sample is in compliance.
The test status required by the legal standard.
2.2
The right hand holds the cam handle counterclockwise to cause the cam to lift the entire weight of the pressure plate and the pressure weight hanging on the right side of the pressure plate.
2.3
Remove the replaceable presser foot under the pressure plate and select the presser foot type according to the thickness of the test sample.
0.5
No. Adapted to test geomembrane,
5
Adaptive test
0.5~5mm
Geotextile composite material in thickness range,
10
Adaptive test
5~10mm
Geotextile composite material in thickness range,
15
Adaptive test
10~12mm
Geotextile composite material in the thickness range.
2.4
The replaceable presser foot is selected, and the reference plate and the presser foot surface are cleaned with a clean soft cloth, and the presser foot is placed on the reference plate again. Note that the triangular blade on the presser foot should be aligned with the inverted under the pressure plate.
V
Type groove.
2.5
Selection and installation: Measure the dial of the geotextile. (Measure the geomembrane to select the dial gauge, note: the dial gauge is self-matching). Insert it into the hole of the watch frame, and move it slightly downward when the contact on the upper surface of the watch touches the upper end surface of the presser foot.
0.1~0.2mm
Distance, screw lock nut. Then clear its table (or zero).
2.6
Gently lift the replaceable presser foot and insert the sample naturally between the reference plate and the presser foot. Lower the presser foot and subject the sample to pressure
2kPa±0.01kPa
At the same time, the stopwatch is timed to make the sample under pressure
30s
When reading the dial indicator (or dial gauge) value.
2.7
Repeat the above operation to complete the specified number of test pieces.
3,
Choose different test pressures as needed:
3.1
Sample in
20kPa
Test under pressure, repeat
3.2.6
After the step, the pressure weight will be
1
Hang on the hanging ring on the right side of the platen, then use your right hand to turn the cam handle clockwise. When the weight of the pressurization is completely supported by the triangular blade of the replaceable presser foot, the time is measured by the stopwatch, and the sample is pressed.
30s
Read the dial indicator (or dial gauge) value.
3.2
Sample in
200kPa
Test under pressure, repeat
3.2.6
After the step, the pressure weight will be
1
And pressurized weight
2
At the same time, hang it on the hanging ring on the right side of the pressure plate, and then use the right hand to turn the cam handle clockwise, so that the weight of the press is completely supported by the triangular blade of the pressable foot, and the timepiece is used to time the sample. Pressure time
30s
Read the dial indicator (or dial gauge) value.
4,
Each test result must be manually recorded and calculated. The test results and test reports are based on the test method standard requirements and the production process requirements.
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