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Bukov PVP underground research laboratory - geotechnical conditions of construction
Souček, Kamil ; Vavro, Martin ; Staš, Lubomír ; Koníček, Petr ; Ptáček, Jiří ; Waclawik, Petr ; Vavro, Leona ; Lednická, Markéta ; Kaláb, Zdeněk ; Šňupárek, Richard ; Vondrovic, L.
Bukov PVP Underground Research Laboratory (Bukov URL) is designed to be a test site for the evaluation of properties and behavior of the rock mass which is of similar type as selected candidate sites in the Czech Republic. It is situated at a depth corresponding to the proposed storage depth of the final locality for the national deep repository of high-level radioactive waste. The Bukov URL, the construction of which has begun in 2013, is situated in the southern part of the Rožná uranium deposit, at the northeastern periphery of the Strážek Moldanubicum close to its contact with the Svratka Unit. The rock mass is composed of relatively monotonous rock sequences primarily of a volcanosedimentary origin. They are currently represented, due to the subsequent tectonometa-morphic development, by migmatized biotite paragneisses up to stromatitic and/or oftalmitic migmatites, amphibole-biotite to biotite-amphibole gneisses, and amphibolites. The workings of the Bukov URL are situated on the level 12 of the Bukov-1 shaft, at the depth of about 600 m below the earth’s surface. The Bukov URL is still under construction and the research works by the consortium of several organizations – ÚJV Řež, a.s., Czech Geological Survey, Institute of Geonics of the CAS, v.v.i., and Arcadis CZ, a.s. - are carried out simultaneously. The research activities focus on a complex geological and geotechnical characterization of the rock mass of interest, which is vital for the realization of further research in situ. This paper briefly describes the technical solution of the Bukov URL and the process of its construction.
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Evaluation of Power Efficiency of Radioactive Waste Management Technologies Used in the Czech Republic
Penzinger, Pavel ; Varmuža, Jan (referee) ; Katovský, Karel (advisor)
This thesis deals with the evaluation of power efficiency of technologies for the radioactive waste management used in the Czech Republic. Thesis is divided into two main parts – theoretical part and a practical part. Theoretical part of the thesis deals with a brief description of the organization connected with radioactive waste operating in the Czech Republic and storage of low and intermediate level waste in the Czech Republic. This is followed by various kinds of radioactive waste division according to Czech legislation and regulations of the International Atomic Energy Agency. There is also a description of the most used technologies and methods o of radioactive waste management technology used in the Czech Republic and world. Practical part contains specific evaluation of energy efficiency of each technology for the radioactive waste management. Each evaluation contains the energy efficiency of production use materials and transport. Evaluates are technologies used consistently and for sufficient quantities. Energy efficiency is describe from the place of origin of radioactive waste, which is the Nuclear power plant Dukovany, Nuclear power plant Temelín and ÚJV Řež, a.s. The end of description is the repository site of radioactive waste Dukovany for radioactive waste from nuclear power plants or disposal site Richard for institutional radioactive waste.
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Transmutation of spent nuclear fuel
Šajdler, Miroslav ; Foral, Štěpán (referee) ; Katovský, Karel (advisor)
This bachelor's thesis deals with spent nuclear fuel – its composition, disposal, reprocessing and transmutation. In the beginning, you can find the classification of radioactive waste, and then I am explaining the policy of the Czech Republic towards disposal of nuclear waste. This is followed by the comparison of the policy in other countries. The thesis also contains various methods used to reprocess spent nuclear waste, composition of spent nuclear waste – based on its radioactivity and radiotoxicity and future technologies for nuclear reprocessing. In the end, I tried to describe a simple model simulating transmutation in light water and fast reactor.
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Design modification of the collimator for RAW measuring system
Svoboda, Štěpán ; Lisý, Martin (referee) ; Šen, Hugo (advisor)
This thesis deals with structural design of collimator. Collimator is important component of radioactivity measuring device. This apparatus is made by Envinet. Collimator is part of device, which makes good conditions for measuring radioactivity, protects detector and tries avoid overload detector. In this thesis is dealt simplification of collimator. It supposed, that simplified collimator will be more reliable. This proposal saves more money, because company will not have to send employee of Envinet to service their measuring devices in a very distant countries, such as Russia, Ukraine etc.
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Ways of radioactive materials saving in the Czech Republic and in the world
Polák, Luboš ; Šen, Hugo (referee) ; Nerud, Pavel (advisor)
Management of spent nuclear fuel and radioactive waste are many. The aim of this thesis was to summarize the attitude of the Czech Republic and the other major countries on this issue. First is given the classification of radioactive waste according to various criteria. Consequently, it is defined and described the fuel cycle, as the largest producer of all types of radioactive waste. Then is analyzed approach of the Czech Republic to the management of all type radioactive waste and the attitude to deep geological repository. At the end are some, in this respect, major countries and their attitude to deal with spent nuclear fuel, radioactive waste and the method of final disposal.
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A Guide to Communication and Participation in Decision-Making about the Deep Geological Repository of Spent Nuclear Fuel and High-Level Waste in the Czech Republic
Ďurďovič, Martin
This guide is the outcome of a qualitative and quantitative empirical research that examined the social embeddedness of decisions about the deep geological repository (DGR) of spent nuclear fuel and high-level waste in the Czech Republic. The findings from this research were collected and systematised into an applicable set of principles and procedures for communicating with the public and for participatory decision-making in an effort to promote conflict-free negotiations on DGR. The guide describes the social embeddedness of the decision-making process, distinguishes between the opinion outlooks of different stakeholders, identifies various aspects involved in the implementation of the DGR project and their social dimension, and highlights the need to relate the technical acceptability of the DGR project to its social acceptability. The backbone of the guide is the idea of dialogue, wherein the principles and procedures are elaborated both with a view to dialogue as a decision-making process and with a view to the subjects of the dialogue. The guide seeks to accord balanced weight to the opinion outlooks of all stakeholders, so that it is beneficial both to state system and for affected local communities. The recommendations outlined in the guide draw on the activities of the Working Group for Dialogue on the DGR.
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Radioactive wastes and the release of radioactive substances into the environment (learning program)
NOVÁK, Jan
This bachelor thesis, "Radioactive waste and the release of radioactive substances into the environment", is concerned (among others) with nuclear fuel and the biological effects of ionizing radiation. First, it briefly describes the history of this branch in the Czech Republic. Then the work is focused on the effects of ionizing radiation, divided into deterministic and stochastic effects. The work also contains a list of legislative norms regarding the handling of radioactive waste in the Czech Republic and the European Union. Protection of the environment and health against hazardous radioactive waste is at present regulated by several guidelines. The primary objective of this work was to compile a comprehensive basis for presentation to university students on the subject of radioactive waste and its impact on the environment. The concluding discussion presents the author's views on another possible application of e-learning in dealing with this branch of study at the University of South Bohemia.
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Komplexní geochemický výzkum interakcí a migrací organických a anorganických látek v horninovém prostředí: Průběh hydrodynamických zkoušek na vrtech PTP3 a PTP4 na lokalitě Potůčky - Podlesí
Stavební geologie Geotechnika, a.s. ; Český ekologický ústav, Praha ; Klepáč, L. ; Záruba, J. ; Rukavičková, L
Popis terénních prací na obou vrtech - dokončení vodních tlakových zkoušek v průběhu vrtání na vrtu PTP-3, instalace multipakrového systému a následný monitoring tlaků v jednotlivých etážích na vrtu PTP-3, vodní tlakové zkoušky v průběhu vrtání na později zhavarovaném vrtu PTP-4, hydrodynamické zkoušky v průběhu vrtání, dlouhodobé hydrodynamické zkoušky, stopovací zkoušky.
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