GEOSYNTHETICS

Geotextile Cone Drop Testers

A cone drop test evaluates damage from a falling cone to a clamped geotextile specimen. The resulting hole is measured with a graduated measuring cone. It complements tensile and static puncture tests, which measure different responses. ISO 13433 describes this dynamic perforation method; confirm the requested edition and material scope for the selected apparatus.

Select a cone drop test configuration

Material and test method

Specify woven or nonwoven geotextile, composite construction, thickness and the required standard edition. Check applicability for grids, barriers and other geosynthetics.

Drop and clamping geometry

Confirm cone mass and angle, drop height measured from the tip, clamp opening and specimen retention.

Measurement and verification

Specify the measuring cone, dimensional and mass verification records, release arrangement and operator protection.

Frequently Asked Questions

It measures the size of the hole produced when a defined cone falls onto a clamped specimen. Compare results only under the same preparation, conditioning, apparatus and method conditions.

No. Cone drop evaluates dynamic perforation using a falling cone. CBR static puncture uses a driven plunger and measures force; it requires a separate loading system and fixtures.

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