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Publications (16)
This paper attempts to relate the parameters obtained from CPTu static sounding and DPH dynamic test conducted in non-cohesive alluvial deposits of the Vistula River. The investigation was carried out in eight test stations located on the left bank of the Vistula River in Warsaw. The presented theses were based on the results of static CPTU and dyn...
Soil stiffness degradation due to dynamic loading may result in damage to engineering structures. Therefore, dynamic soil properties gained importance in recent years in the areas where vibrations of different origins are transmitted to the ground. The aim of the study was to determine the stiffness properties of the Warsaw varved clay (central Pol...
Petroleum products influence the engineering behaviour of the soil. Neogene clays and glacial tills from Central Poland were tested under laboratory conditions to evaluate the changes of selected physical and mechanical parameters: particle size distribution, particle density, swelling, shear strength and permeability. Four petroleum products were...
Engineering activity may lead to uncontrolled changes in the geological environment. This paper presents an example
of structural changes in fluvial sand of the Praski terrace (in Warsaw) caused by the activity of a temporary
concrete batching plant. Our investigations made it possible to identify the material responsible for the structural
anomali...
![Fig. 1. Location of measurement line [mapy.geoportal.gov.pl]](publication/333317825/figure/fig1/AS:761709597843460@1558617128587/Location-of-measurement-line-mapygeoportalgovpl_Q320.jpg)
In this study, the issue of intensity of cargo train-induced soil vibrations is presented. Oscillations were measured in Warsaw-Rembertow location with application of set of seismic receivers. The analysis concerns the ground vibration differentiation issue, depending on considered direction of oscillation propagation plane. Statistic distribution...
The paper presents the results of field studies testing the reaction of Eemian peats on the mechanical effect of standard measurement tools (CPT/CPTU, Marchetti dilatometer). Based on the collected undisturbed samples, macroscopic observations were made and SEM observations were conducted to identify the microstructural features. A fibrous structur...
An analysis of cation-exchange capacity(CEC) variability of peats is presented in vertical pro files from eastern and central Po land. CEC values were com pared with ash con tent (Ac), pH and CaCO3 content. Eight peatlands were selected for re search in the fol lowingareas: War saw Plateau (2 objects), Siedlce Plateau (2 objects), Lubartów Plateau...
The selected parameters of the Wartanian and Odranian tills, with relation to their spatial occurrence, grain size distribution, mineralogical composition, matric suction and other physical characteristics, are presented. The assessment of the lithogenesis and stress history on the microstructure is attempted. The comparison of the compression and...
This paper presents the test results of horizontal hydraulic conductivity (k) of fen peats from eastern Poland. Three fen peatlands in the Lubartów Plateau (3 objects marked as LP1, LP2 and LP3) and two in the Siedlce Plateau (2 objects marked as SP1 and SP2) have been selected. The objects represent a valley bog type and are similar in peat thickn...
Preliminary results of GPR field prospection carried out in the area of the prehistoric mining field Borownia (Ćmielów, Ostrowiec Świętokrzyski District) are presented. This mining field forms a belt (30-50 m wide and 700 m long), starting from the valley edge of the Kamienna River southeastwards. Southeastern and western parts of the site have pre...
This paper addresses the problem of assessing the leakproofness of the bottom of a deep foundation trench, secured by cavity wall, using geophysical methods of electrical resistivity tomography. The study was conducted on a large construction project in Lublin, in a place where there are complicated soil-water conditions: the groundwater level is a...
PL Przedstawiono wpływ obciążeń dynamicznych na zmianę wytrzymałości glin lodowcowych zlodowacenia warty z poletka Nowoursynowska z Warszawy. Badania laboratoryjne w warunkach obciążeń statycznych i dynamicznych wykonano na próbkach o strukturze nienaruszonej w dynamicznym aparacie trójosiowego ściskania DYNTTS (electromechanical dynamic triaxial t...
The stress-strain behaviour of tills under static and dynamic loadings were analyzed in the paper. Test results conducted on the tills from Ursynów area in Warsaw are presented. Extensive spectrum of advanced laboratory testing (including SEM, Row-Barden consolidometer, ring-shear apparatus, dynamic triaxial testing system) was used to determine ph...
W pracy przedstawiono warunki geologiczno-inżynierskie w rejonie kościoła Św. Katarzyny w Warszawie. Na podstawie analizy materiałów archiwalnych, badań terenowych (wiercenia, CPT, DMT, CSWS, BAT) oraz badań laboratoryjnych właściwości gruntów (próbki NNS, NU, NW) określono budowę geologiczną i warunku hydrogeologiczne oraz dokonano ilościowej i ja...
Przedmiotem pracy jest analiza stateczności zbocza wysoczyzny gliny lodowcowej w rejonie kościoła Św. Katarzyny w Warszawie. W pracy porównano wyniki analizy stateczności skarpy metodami równowagi granicznej z metodą redukcji wytrzymałości na ścinanie. Wykonano obliczenia najczęściej stosowanymi metodami równowagi granicznej: Felleniusa, Janbu oraz...
