National Repository of Grey Literature 40 records found  beginprevious21 - 30next  jump to record: Search took 0.00 seconds. 
The issue of water infiltration into the soil monitored by the EIS method
Bartoněk, Dominik ; Novotná, Jitka (referee) ; Pařílková, Jana (advisor)
The bachelor thesis is focused on the issue of water infiltration into soils and acquaintance with methods and procedures for monitoring the infiltration process in field conditions, including the assessment of the suitability of the method of electrical impedance spectrometry for the monitored issues. Infiltration ability of soil are involved in the formation of the landscape due to its resistance to extreme hydrological situations (floods, drought). Infiltration is process in which at exact time and at the certain rate is water absorbed from the earth´s surface into depth of the soil. Infiltration process is based on locality conditions and influenced by natural influences and by human activities. The measurement was performed at two selected localities of the School Forest Enterprise, which is an organizational part of Mendel University in Brno, in particular, of its Faculty of Forestry and Wood Technology. The conception and realization of measuring of rain water infiltration into soil was performed in permanent forest stands located in the cadastre of the municipalities of Útěchov and Kanice. Both localities differ in the structure of the forest stands (species, age, spatial), and therefore the comparison of measured data was performed. In the case of the electrical impedance spectrometry method and the used measuring apparatus, this is a pilot work leading to the acquisition of knowledge, which factors can have a significant impact on soil infiltration and whether it is appropriate to apply the method and the measuring apparatus in this environment.
Monitoring of the earth-fill dam of the Karolinka waterworks
Svoboda, Vojtěch ; Novotná, Jitka (referee) ; Pařílková, Jana (advisor)
The bachelor‘s thesis is focused on selected parameters monitoring of the earth dam of hydraulic structure Karolinka. The first outflow areas on the Karolinka dam air face were already observed and the seepages were measured after the first filling. As a result, in addition to standard monitoring, monitoring of the dam by electrical impedance spectrometry was started in 2011. During the reconstruction of the dam in 2013 was realized the construction of the sealing wall for minimalized of seepages. The selected data were compared before and after reconstruction of the hydraulic structure Karolinka. The bachelor‘s thesis was realized within the sustainability of the international project E!7614 of EUREKA program.
Estimating soil effective grain size by EIS apparatus
Chládová, Zuzana ; Novotná, Jitka (referee) ; Pařílková, Jana (advisor)
The bachelor thesis is focused on the use of electrical impedance spectrometry and its possible application in the estimation of effective particle size of soil. The grain size curve of each soil sample was obtained by using the sieve analysis and aerometric method after which the effective particle size for each sample was determined. Thereafter the frequency analyzes of samples were performed under laboratory conditions using Z-meter. The results showed that it is possible to infer effective particle size when the frequency analysis is performed for example during field measurement. This research was carried out as part of the project E!7614 of the EUREKA program.
Detection of water infiltration into soils injected by clays using EIS method
Marek, Ondřej ; Novotná, Jitka (referee) ; Pařílková, Jana (advisor)
The diploma thesis deals with the study of water infiltration into soil samples with various types of clay. The soil matrix was represented by homogeneous sand; clay samples were supplied by LB Minerals, Ltd. Soil analysis with injected clays was focused on sealing ability of examined clays for possible use in construction practice for the construction of sealing objects. Electric impedance spectrometry (EIS) measuring system was used to monitor the infiltration process. The measurement was carried out by a measuring apparatus made by the solution of the international project E! 7614 of applied research in the EUREKA program within its sustainability.
Analysis of the earth dam monitoring of the water structure Karolinka
Koudelková, Eva ; Novotná, Jitka (referee) ; Pařílková, Jana (advisor)
This diploma thesis deals with the analysis of the monitoring of the Karolinka water reservoir earth dam. For the reason of seepage detected on the downstream face of the dam, the water reservoir was operated in a limited regime practically from its beginning. One of the most significant interventions aimed at reducing them was the installation of a sealing wall realized in 2013. Since 2011, the earth dam has been pilot-monitored by probes of the electrical impedance spectrometry method. The thesis deals with the processing of the data obtained by this method and with the comparison of the determined electrical conductivity of the dam soil with the data measured on the earth dam (temperature, water level in the reservoir, seepage) before and after installation of the sealing wall.
Monitoring of the spread of pollution on the physical model of the watercourse
Marek, Ondřej ; Novotná, Jitka (referee) ; Pařílková, Jana (advisor)
On the built physical model of the watercourse, a bachelor's thesis is looking for a suitable substance that would allow simulating and monitoring the pollution transport by the method of electrical impedance spectrometry. Physical model based on the similarity of physical phenomena allowed the application of tracers and measurement of their concentration in selected flow profiles at a defined flow. The measurements were made by measuring apparatus made by the solution of the international project E! 7614 applied research in the EUREKA program as part of its sustainability.
Evaluation of the sanation of the earth-fill dam of the Hornice
Králíková, Štěpánka ; Novotná, Jitka (referee) ; Pařílková, Jana (advisor)
The bachelor thesis deals with evaluation of monitoring and remediation measures implemented on the earth dam of Hornice water structure. In 2014, tracking was initiated using the EIS method. Monitoring is carried out in the EUREKA Applied Research Program and is linked to Project E! 7614. The research is also focused on a new method of seepage remediation, BioSealing. To the application of which in Czech Republic has the exclusive right the company GEOtest, a.s. The processed data used in this work is measured by Z-meter IV and others data are provided by GEOtest, a.s.
Evaluations of the durability EIS probes installed in an earth dams
Koudelková, Eva ; Novotná, Jitka (referee) ; Pařílková, Jana (advisor)
This thesis deals with the assesment of the durability of electrical impedance spectrometry method (EIS) probes installed in earth dam. The chosen earth dam is called Bezedník III and the main reason for choosing this particular dam was the longest period of monitoring this dam. The measuring was carried out by the Z-meter II device during the years 2006–2012 and Z-meter IV device in the year 2016. The recorded data are processed and assessed in this bachelor’s thesis.
Verification technology BioSealing by EIS method
Fránková, Hana ; Novotná, Jitka (referee) ; Pařílková, Jana (advisor)
Diploma thesis is dealing with recognition of Biosealing technology using electrical impedance spektrometry method. BioSealing is an innovative method of soil body reconstruction, which uses stimulation of soil bacterial activity to seal the leakage. The method was developed in the Netherlands and it was used in conditions of the Czech Republic in years 2015 and 2016 on the Hornice water work. This earth dam was monitored by electrical impedance spectrometry by apparatus with device Z-meter IV in this period and the data are processed and assessed in this diploma thesis.
Determination of geotechnical properties of soils with using method of Electrical Impedance Spectrometry
Líšková, Ivana ; Erbenová, Alexandra (referee) ; Pavlík, Jiří (advisor)
This diploma thesis deals with determination of geotechnical properties of soils with using method of electrical impedance spectrometry (EIS). For measurement was used device Z-meter of 3rd generation, which was developed with projects of international program of applied research EUREKA. Experiment was realized in Laboratory of soil mechanics in GEOtest a.s. in Brno.

National Repository of Grey Literature : 40 records found   beginprevious21 - 30next  jump to record:
Interested in being notified about new results for this query?
Subscribe to the RSS feed.