J. Nurkowski
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View article: Comparison of the Water Absorbability of Rocks and Composite-Cement Stones for Optimal Characterization of Sustainable Building Materials
Comparison of the Water Absorbability of Rocks and Composite-Cement Stones for Optimal Characterization of Sustainable Building Materials Open
The aim of this study was to analyze properties of natural and waste-containing porous materials intended for use in construction. Experiments using the hydrostatic buoyancy method were conducted to assess the fundamental characteristics o…
Inductive Displacement Sensor Operating in an LC Oscillator System Under High Pressure Conditions—Basic Design Principles Open
The paper presents some design principles of an inductive displacement transducer for measuring the displacement of rock specimens under high hydrostatic pressure. It consists of a single-layer, coreless solenoid mounted directly onto the …
Inductive sensor for measuring linear displacement and velocity – Version with stationary magnetic core Open
The article describes a displacement sensor designed and manufactured in the Rock Deformation Laboratory of the Strata Mechanics Institute of the Polish Academy of Sciences for cooperation with the GTA-10 triaxial cell. This sensor measure…
About Some Problems Related to Determination of the E.G. Biot Coefficient for Rocks Open
About Some ProblemS relAted to determinAtionof the e.G. biot CoeffiCient for roCkS use of the poroelasticity theory by Biot in the description of rock behaviour requires the value of the e.g.Biot coefficient α to be determined.The α coeffi…
Thermally compensated inductive deformation sensor – Mathematical background and practical implementation Open
The article presents theoretical background and experimental verification of thermal compensation method of inductive displacement sensor. This sensor has the form of single-layer, coreless coil which is the inductance of a resonant LC cir…