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Publications (19)
A hajlékony útpályaszerkezetek tervezésekor célunk a fáradási repedéseket és a túlzott nyomvályúképződést elkerülni. Az útpályaszerkezet-méretezés jelenlegi gyakorlata azonban a talaj eredetű nyomvályúképződésre nem fektet kellő hangsúlyt. A legtöbb nemzeti műszaki előírás megelégszik azzal, hogy ha a kivitelezéskor betartják az előírt minőségi és...
The use of glass waste in the construction industry has a high potential of leading to a higher recycling percentage. Foam glass aggregate (FGA) is around 98% recycled glass waste of various origins and has good insulation properties with big grain size distributions ranging between 10 mm and 60 mm. FGA has a wide range of applicability in the cons...
In this study, two groups of foam glass aggregate (FGA) samples were prepared with four different compaction ratios (10%, 20%, 30%, and 40%) and subjected to a series of static compressional loads from 50kPa to 300kPa with 50kPa interval. In first group of the test (changed load samples, ChLS), for each static load value, a new sample was prepared...
This paper is devoted to the experimental and numerical investigation of the effect of temperature on the volumetric behaviour of silty sandy clay. A temperature-controlled oedometer is developed to study thermally induced volume change. In this system, an electrical ring heater is placed around the conventional oedometer cell, which accommodates t...
New geotechnical applications such as nuclear waste disposal, geothermal structure, thermally active landfills, and other structures dealing with temperature fluctuations in the short-term and long-term, have made it almost impossible to neglect the effect of temperature on the mechanical behavior of soils such as in conventional geotechnical desig...
Nowadays, the development of technology and industry such as nuclear waste disposal, landfill and geothermal structures has given the temperature change in soils a high priority among research topics. It is essential to have suitable knowledge of thermal effects on soils to make efficient design of these structures. Indeed, the lack of this informa...
Temperature change in soils and its possible effects date back to 20th century where temperature difference between laboratory and field for sampling made researchers interested in this topic. Due to development of technology and industry nowadays, new engineering applications such as nuclear waste disposal, oil extraction and pipelines, geothermal...
Az üveghab granulátum hazánkban még kevéssé ismert anyag, amit üveghulladékból állítanak elő. Az üveghabot táblásított formában hőszigetelő anyagként használják, azonban granulátum formában földműanyagként is alkalmazható. A skandináv országokban utak alatti átfagyás elleni hőszigetelésre használják, hazánkban eddig épületek padlója alatti hősziget...
In the construction industry, the adequacy of foundation and earthwork construction is most important in terms of the stability and service life of the structure. After the load bearing capacity and compactness have been determined, the measurement results depending on the given water content in the field shall be compared with the limit values spe...
In the forthcoming years intensive renovation and reconstruction works can be expected on the banks’ freshwaters of Hungary. For the rehabilitation of the shores of Lake Velence works are starting in 2020. To support these investments there has been a demand for prefabricated reinforced concrete sheet pile walls. Realizing the opportunity, a major...
The resilient modulus is a deformation modulus of the soil under cyclic loading. The determination of the resilient modulus is necessary for the detailed calculations of road pavements, railways or industrial floors. The modulus determined by dynamic triaxial test in the laboratory whit its limitation as grain size, long time, difficult measuring,...
In recent years, pollution and Global warming related issues and the proven effect of fossil energy on that have lead the attention toward finding a renewable and sustainable source of energy such as Geothermal Energy. An important challenge is to determine the maximum thermal energy accurately that the geothermal system can provide. Lack of suitab...
In recent years, pollution and Global warming related issues and the proven effect of fossil energy on that have lead the attention toward finding a renewable and sustainable source of energy such as Geothermal Energy. Ground-source heat pump (GSHP) is a well-known type of geothermal structures commonly used for space heating and cooling. The water...
The paper focuses on the numerical back analysis of the monitored deep excavation of II. János Pál pápa square of Budapest Metro Line 4. Inclinometric measurement of diaphragm wall deformations has been compared to numerical results derived by PLAXIS using HSsmall soil model. Considering the influence of small strain stiffness of plastic soils, goo...
Various simplified design procedures can be found in the literature, intended for the design of shallow foundations of lower importance buildings and pre-dimensioning. In most cases, these design procedures are based on vaguely defined soil types and parameters, and are not compatible with Eurocode. The aim of this paper is to establish a „design p...
The grading entropy concept can be adapted to the field of geotechnics, to establish criteria for phenomena such as particle packing, particle migration and filtering, through a quantified expression of the order/disorder in the grain size distribution, in terms of two entropy-based parameters. In this paper, the grading entropy theory is applied i...
Hungarian experience about the correlation of CPT and DPH results is summarized. A historical review of CPT-DPH and CPT-SPT correlations is presented, and the reliability of the published CPT-DPH correlations is analyzed using recent data from Hungarian geotechnical practice. Based on these data the paper defines soil types where reliable correlati...
This study summarizes the Hungarian experiences related to correlation of CPT and DPH results. A historical review of CPT-DPH and CPT-SPT correlations is presented, and the reliability of the published CPT-DPH correlations is analyzed using recent data from Hungarian geotechnical practice. Based on these data the paper proposes formulas describing...
