Borehole expansion tests refer to various equipment and procedures. Their implementation is now covered by four international ISO standards, allowing a distinction between Ménard pressuremeter tests and other expansion tests, whether prebored, self-bored or performed with a full displacement pressuremeter. Especially, standards covering pre-bored tests have recently evolved to provide a coherent framework for their execution for any type of grounds (soils and rocks), with specific loading programme dedicated to parameter identification for reliable ground model, making borehole expansion tests a recognized technique for ground characterization, in line with the ongoing revisions of Eurocode 7.
8th International Symposium on Pressuremeters (ISP2025)
Standards and Guidelines