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BLASTING DEMOLITION CHALLENGES OF A TALL COOLING TOWER AND CHIMNEY

Robert László, Ciprian Jitea, Bogdan Garaliu, Bogdan Aurelian Nicola, Miklos Levente

First published: 2024-11-15https://doi.org/10.5593/sgem2024/1.1/s03.30View metrics

Abstract

The paper describes the practical solutions and safety conditions of realizing the demolition of an industrial chimney and a cooling tower located in a former thermal power plant, having in the very close vicinity several civil constructions. The chimney has a height of 208 m and consists of the outer tubular structure of reinforced concrete and as well as of the inner chimney made of refractory brick masonry. The cooling tower height was 108.0 m and the base diameter of 82.00 m. For chimney, the chosen solution of demolition was overturn in an intended direction and for the cooling tower was that of partial lateral collapse followed by a total crash of the tower on its position. Considering the location of civil constructions the challenge of the project was to find solutions to reduce the throwing distance of the concrete pieces under the action of the explosion, to mitigate vibrations through the collapse and sequential contact with the ground of the construction, to reduce the value of the overpressure of the air created due to the piston effect during the collapse the construction of the tower.

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Publication details

Title
BLASTING DEMOLITION CHALLENGES OF A TALL COOLING TOWER AND CHIMNEY
Authors
Robert László, Ciprian Jitea, Bogdan Garaliu, Bogdan Aurelian Nicola, Miklos Levente
Proceedings
24th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2024, Science and Technologies in Geology, Exploration And Mining, Vol 24, Issue 1.1
Publisher
STEF92 Technology
Year
2024
Pages
219-226
SWS Citekey
Laszlo20243219226
ISSN
1314-2704; 13142704
ISBN
9786197603675
Language
en
Publication type
Conference Paper
Proceedings contents
Open official contents
Keywords
demolitionexplosivesblasting parameterssafety.
References4

  1. Miklos L. & all, 2022 - Technical documentation for the demolition by blasting works combined with classical works - cooling tower and chimney from the premises of the former CTE Doicesti, Industrial Demolition Company, Dambau, Romania.

  2. Laszlo R, Ghicioi E., Jitea C., Nicola A. & Miklos L., 2022 - Technical and safety aspects for the demolition of a chimney with a height of 150 m in difficult location conditions, Proceedings of the 11th EFEE World Conference on Explosives and Blasting, Maastricht, Netherlands.

  3. Yi L., Feng L., Xianglin G. & Xiaoqin L., 2014 - Numerical research of a super-large cooling tower subjected to accidental loads, Nuclear Engineering and Design, Volume 269, DOI: 10.1016/j.nucengdes.2013.08.028.

    View DOICrossrefGoogle ScholarWeb of ScienceScopusOpenCitations

  4. Tat S., Zaporojan M.& Fisguss C.,1985 - Explosives and blasting techniques applied in industry, Petrosani, Romania.

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