Soil Flat Dilatometer Test kit(DMT)
The flat dilatometer test covers the determination of the in situ strength and deformation properties of fine
grained soils using a blade shaped probe having a thin circular steel membrane mounted flush on one face.
Results of flat dilatometer tests are mostly to obtain information on soil stratigraphy, in situ state of stress,
deformation properties and shear strength.
The basis of the test consists of inserting vertically into the soil a blade-shaped steel probe with a thin
expandable circular steel membrane mounted flush on one face and determining, at selected depths or in a
semi-continuous manner, the contact pressure exerted by the soil against the membrane when the membrane
is flush with the blade and subsequently the pressure exerted when the central displacement of the membane
reaches 1,10 mm.
The flat dilatometer test is most appropriate in clays, silts and sands where particles are small compared to
the size of the membrane.
DMT-W3 Flat dilatometer test kit
| Test Probes head |
L:230-240mm,W: 95mm,Thickness:15mm; |
| Steel Membrane: |
60mm; |
| Rated air pressure: |
6MPa |
| Test Depth: |
0-50m(Special strata can be deepened); |
| Indicating error: |
±0.1%F.S |
| test result hole storage quantity |
can reach 9999 pcs |
| Uses the rechargeable Lithium batteries |
standby time up to 24 hours |
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