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SCIENTIFIC AND TECHNICAL UNION OF MINING, GEOLOGY AND METALLURGY

FEDERATION OF THE SCIENTIFIC ENGINEERING UNIONS IN BULGARIA

Co-organizers

• University of Mining and Geology “St. Ivan Rilski”
• University of Architecture, Civil Engineering and Geodesy
• University of Chemical Technology and Metallurgy
• Geological Institute, Bulgarian Academy of Sciences
• Todor Kableshkov University of Transport
• Lyuben Karavelov Higher School of Construction
• Bulgarian Mining and Geological Chamber
• Motorways EAD
• Antech TFA Ltd.
• Assarel-Medet AD
• Bulgarian Coal Mining Association
• Bulgarian Society for Soil Mechanics and Geotechnical Engineering
• Videx engineering EAD
• Geostroy AD
• Geotechmin Ltd.
• Geotrading AD
• DPM Krumovgrad EAD
• DPM Chelopech EAD
• Ellatzite-Med AD
• YODA Ltd.
• Kaolin EAD
• Metropolitan EAD
• Mini Maritsa-Iztok EAD
• Minproekt EAD
• Minstroy Holding AD
• NIPRORUDA AD

With media partners

• Journal Mining and Geology
• Journal Geology and Mineral Resources
• Newspaper Rudnicar
• Newspaper Science and Society

Chairman:

• Assoc. Prof. Dr. Eng. Kremena Dedelyanova Chairperson, Scientific and Technical Union of Mining,Geology and Metallurgy

Honorary Chairmen:

• Prof. DSc. Eng. Tzolo Voutov Honorary Chairman, Scientific and Technical Union of Mining, Geology and Metallurgy
• Prof. DSc. Eng. Nikolay Nikolaev Chairman, National Committee of Rock Mechanics

Deputy Chairmen:

• M.Sc. Eng. Dragomir Draganov Chairman, Bulgarian Chamber of Mining and Geology
• Prof. Dr. Eng. Ivaylo Koprev Rector, University of Mining and Geology "St. Ivan Rilski"
• Assoc. Prof. Dr. Arch. Gichka KutovaKamenova Rector, University of Architecture, Civil Engineering and Geodesy
• Dr. Eng. Vladimir Vutov Vice Chairman, Scientific and Technical Union of Mining, Geology and Metallurgy
• M.Sc. Eng. Shteryo Shterev Vice Chairman, Scientific and Technical Union of Mining, Geology and Metallurgy

Scientific Secretaries:

• Assoc. Prof. Dr. Eng. Nikolay Milev University of Architecture, Civil Engineering and Geodesy
• Dr. Eng. Georgi Dachev Ministry of Energy
• Dr. Krassimira Arsova Scientific and Technical Union of Mining, Geology and Metallurgy

Members:

• M.Sc Eng. Dimitar Angelov Executive Director, Kaolin JSCo.
• Dr. Eng. Nevena Babunska University of Transport "Todor Kableshkov"
• Prof. Dr. Eng. Stoyan Bratoev Metropolitan JSCo.
• Dr. Eng. Ivan Vutov Chairman of the Board of Directors, Geotrading JSCo.
• Prof. DSc. Eng. Nikolay Valkanov Chairman of the Board of Directors, Minstroy holding JSCo.
• Prof. Dr. Eng. Iliya Garkov Executive Vice President and Chief Operating Officer, DPM Metals
• M.Sc. Eng. Ivan Kozhuharov Executive Director, Eurotest-Control JSCo.
• Assoc. Prof. Dr. Eng. Ivan Mitev Executive Director, Bulgarian Chamber of Mining and Geology
• Prof. DSc Eng. Valeri Mitkov Dean MTF, University of Mining and Geology St. Ivan Rilski
• Prof. Dr. Eng. Pavel Pavlov University of Mining and Geology St. Ivan Rilski
• M.Sc. Eng. Nikolay Peltekov Executive Director, Assarel-Medet JSCo
• M.Sc. Eng. Georgi Petrov Deputy General Director, Ellatzite-Med JSCo.
• Assoc. Prof. Dr. Eng. Dimitar Peshev Vice-Rector, University of Chemical Technology and Metallurgy
• M.Sc. Eng. Dancho Todorov Executive Director, Niproruda JSCo.
• Todor Todorov Executive Director, Maritza-Iztok Mines JSCo.
• Prof. Dr. Eng. Stanislav Topalov Chairman, Association Bulgarian Coal Mining
• M.Sc. Eng. Kostadin Hristov Executive director, Minproekt JSCo.
• M.Sc. Eng. Yasen Chaushev Maritza-Iztok Mines JSCo.

• Prof. DSc. Nikolay Nikolaev
• Prof. Dr. Krastyo Dermendzhiev
• M.Sc. Eng. Tzvetan Dilov
• Prof. Dr. Chavdar Kolev
• Assoc. Prof. Dr. Nikolay Milev
• Prof. Dr. Georgi Mihaylov
• Assoc. Prof. Dr. Veliko Parushev
• M.Sc. Eng. Georgi Petrov
• Dr. Eng. Maria Topalska
• Prof. Dr. Andrey Totsev

• Academician Victor Prushak - Belarus
• Prof. Ivan Vrkljan - Croatia
• Assoc. Prof. Petr Konicek - Czech Republic
• Prof. Lumir Mica - Czech Republic
• Prof. Conrad Boley - Germany
• Dr. Michael Bardanis - Greece
• Prof. Ákos Török - Hungary
• Prof. Takashi Kiyota - Japan
• Assoc. Prof. Jovan Papic - North Macedonia
• Prof. Milorad Jovanovski - North Macedonia
• Prof. Wojciech Sas - Poland
• Prof. Loretta Batali - Romania
• Prof. Vassilii Barishnikov - Russia
• Prof. Vladimir Čebašek - Serbia
• Prof. Vladimir Sedlak - Slovakia
• Prof. Jana Frankovska - Slovakia
• Assoc. Prof. Joze Kortnik - Slovenia
• Prof. Vojkan Jovičić - Slovenia
• Prof. Ersin Arioglu - Turkey
• Prof. Resat Ulusay - Turkey

1. Physical and mechanical properties of rocks and soils.
2. Stress and strain state of rock massifs and soils. Interaction between massifs and structures.
3. Measurements in geomechanics. Contact and remote methods. Monitoring.
4. Stability assessment. Dynamic impacts. Manifestations of rock pressure. Probabilistic approach. Hazard and risk in geomechanics. Artificial intelligence.
5. Environmental protection. Sustainable development. Geotechnical aspects of cultural heritage.

Abstracts

• Abstracts must be in English and limited to 100 words. The text must be in Arial Narrow, 12 pt, Italic.

Deadline for submission of abstracts – 30 April 2026

Papers

• Length – up to 8 standard pages, A4 format (210 × 297 mm), including figures, tables, and references, with margins: top – 30 mm, bottom, left, and right – 20 mm. Papers may be in one of the official languages – Bulgarian, English, or Russian;
• Font of the main text – Arial Narrow, 12 pt, line spacing single.
• Title – centered, bold, capital letters, 12 pt. Below the title follow the names of the author(s), address, affiliation, position, and e-mail address;
• Subtitles in text – centered and underlined;
• Figures – black-and-white computer graphics, placed in the respective position within the text field.
• Color figures and pictures are not accepted.
• Tables – numbered on the right (font size 10 pt, Italic);
• Formulae – numbered on the right of the formula (in brackets);
• Measurement units – according to the International System of Units (SI);
• Notes – marked by stars (*) in the text and placed at the bottom of the respective page;
• References – in the text of the paper, references must be in brackets. At the end of the paper, the references are arranged in alphabetical order and numbered.

Deadline for submission of papers – 1 July 2026

Up to two papers per author are allowed.

Duration of Paper Presentation:

- Plenary paper – 20 min.

- Oral presentation – 15 min.

Please send the papers by e-mail in DOC format!

Authors may publish their papers (up to two papers per author) in IOP Conference Series: Earth and Environmental Science, indexed in Scopus. All papers must be within the scope of IOP EES (https://iopscience.iop.org/journal/1755-1315/page/scope). Papers intended for IOP publication must follow the journal guidelines (https://publishingsupport.iopscience.iop.org/author-guidelines-forconference-proceedings/) and must follow IOP ethical guidelines: https://publishingsupport.iopscience.iop.org/ethical-policy-journals/. All IOP papers must be presented at the conference. IOP papers are not published in the conference proceedings.