Design and development of an innovative pressuremeter for improved soil characterization
Design and development of an innovative pressuremeter for improved soil characterization
The analysis of the behaviour of soils in deformation, at the origin of many pathologies affecting structures subjected to static or dynamic loads, constitutes a major challenge for society. The maintenance of these infrastructures at a sufficient level of service is essential for strategic sectors such as the economy, energy production, industry and tourism in many countries and territories. However, the precise characterization of these phenomena remains a challenge, due to the lack of appropriate experimental tools to correctly define the evolution of the mechanical properties of soils, in particular the degradation of the shear modulus. In this context, this paper proposes a significant advance by presenting the development of a new pressuremeter device, designed to integrate major technological advances compared to existing equipment. This type of pressuremeter enables in-situ measurement of the shear modulus G at small strains. The design, development, and calibration of this device is the subject of the research work described in this paper.
Soufyane Aissaoui; Philippe Reiffsteck; Zadjaoui Abdeldjalil
8th International Symposium on Pressuremeters (ISP2025)
Pressuremeter Testing Techniques and procedures
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