GEOTEXTILE OPENING SIZE TESTER(DRY SIEVING)

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Specifications


1,Dry Sieve Test Apparatus
2,To determine the apparent/equivalent opening size of a geotextil


Application  


Geotextile Opening Size Tester is used todetermine the apparent/equivalent opening size of a geotextile by sieving sizedglass beads through the geotextile, using the dry-sieve principle. A geotextilespecimen is placed in a sieve frame and sized glass beads are placed on thegeotextile surface. The geotextile and frame are shaken laterally so that thejarring motor will induce the beads to pass through the test specimen. Theprocedure is repeated on the same specimen with various sized glass beads untilits apparent opening size has been determined. The apparent opening size (O90)of the geotextile corresponds to a specified size of graded glass beads passed(d90).


Related Standards


STANDARDS

ASTM D4751

Note: this geotextile opening size tester can conform to but not limit toall the standards above, for more standards conformance, please contact us.


Features


1         Mechanical sieve shakervibrates smoothly and efficiently;

2        Two vibration mode: lateral andvertical;

3        Vibrating time is settable;

4        Time is displayed by Digitron.


Key Specifications


Inner diameter of sieves

200mm

Sieve material

Aluminium casting

Number of sieves

5

Superimposed height of sieves

400mm

Amplitude                                        

8mm

Timer range

0~99min59s

Lateral vibration frequency

221times/min

Vertical vibration frequency

147times/min

Radius of gyration

12.5mm

Power supply

380V three-phase

Dimensions

660×400×880mm (L×W×H)

Weight  

130kg

Model NO.

DW1330D Dry Sieve Test Apparatus




















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