Study of Physical-Mechanical Properties of Soil with Drilling of Trial Hole without Core Sampling

Number of journal: 9-2018

Malinin A.G.

УДК: 624.15


AbstractAbout AuthorsReferences
A study of properties of soils that makes up the foundations of buildings and structures is the most important design stage, determining further design decisions, and ultimately, the technical and economic indicators of the object under construction (permissible load on the base, structural concept of the building, terms and cost of construction, etc.). Either drilling of trial holes on construction site with core sampling, or examination of the ground base with a special cone which is pressed with a certain force into the soil are traditionally used. In the first case, due to the complexity of the core sampling, there is a significant reduction in the strength and deformation properties of the sample, and in the second case it is impossible to apply it due to the limitation of the crushing force on the face. A method of sounding the ground base directly in the process of drilling trial holes without core sampling is proposed. The method is based on measurement of pressure and oil consumption in the circuits of the hydraulic system. The advantages of this method are a high speed of drilling trial holes (up to several meters per minute); sounding of the ground base to almost any depth; the ability to perform work under confined conditions, as opposed to static sensing in this case, it is possible to use hydraulic drilling rigs of small size; high speed of results obtained.
A.G. MALININ, Candidate of Sciences (Engineering), Director (This email address is being protected from spambots. You need JavaScript enabled to view it.)

“Construction Company “InzhProektStroy” (34, off. 105, Komsomolsky Avenue, Perm, 614000, Russian Federation)

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For citation: Malinin A.G. Study of physical-mechanical properties of soil with drilling of trial hole without core sampling. Zhilishchnoe Stroitel’stvo [Housing Construction]. 2018. No. 9, pp. 3–6. (In Russian).DOI:

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