The Development of a Fully Automated Pressuremeter
The Development of a Fully Automated Pressuremeter
A prototype fully automated small-diameter pressuremeter, called the SSMini, is developed to address the limitations of traditional analog pressuremeters. The SSMini integrates advanced automation features, including a data acquisition system, motorized operations, and a software interface. It produces a complete in-situ stress-strain curve with a single digital button operation. The strength and stiffness of the tested material are presented as the limit pressure (E0) and elastic moduli (pL). By controlling the probe inflation rate, both continuous and incremental inflation approaches are studied to finalize the optimal inflation rate and timing for the prototype. Hole preparation and probe placement techniques are optimized to minimize surface cracking in compacted sand soils, ensuring reliable and repeatable results.
Anuar Akchurin; Brhane Ygzaw; P. J. Cosentino
8th International Symposium on Pressuremeters (ISP2025)
Pressuremeter Testing Techniques and procedures
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