Preprint Article Version 1 This version is not peer-reviewed

Nondestructive Testing of High Reinforced Concrete Chimneys

Version 1 : Received: 7 June 2019 / Approved: 10 June 2019 / Online: 10 June 2019 (08:15:14 CEST)

A peer-reviewed article of this Preprint also exists.

Maj, M.; Ubysz, A.; Hammadeh, H.; Askifi, F. Non-Destructive Testing of Technical Conditions of RC Industrial Tall Chimneys Subjected to High Temperature. Materials 2019, 12, 2027. Maj, M.; Ubysz, A.; Hammadeh, H.; Askifi, F. Non-Destructive Testing of Technical Conditions of RC Industrial Tall Chimneys Subjected to High Temperature. Materials 2019, 12, 2027.

Journal reference: Materials 2019, 12, 2027
DOI: 10.3390/ma12122027

Abstract

The nondestructive testing of reinforced concrete chimneys, especially the high ones, is an important element of the assessment of their condition, making it possible to forecast their safe service lifespan. Industrial chimneys are often exposed to the strong action of acidic substances – they are adversely affected by the flue gas condensate on the inside and by acid precipitation on the outside. Initially, this results in the corrosion of the shell concrete and then in the corrosion of the reinforcing steel. During the service life of such chimneys their condition should monitored in order to prevent structural failures and indicate the most endangered parts of the structure. Owing to thermographic surveys one can monitor the hazards leading to the degradation of the chimney structure, which is particularly vital when due to the character of the production process the chimney cannot be put out of operation. The methods for the interpretation of results from thermovision studies to determine the safety and durability of industrial chimneys are shown.

Subject Areas

nondestructive testing; thermographic surveys; monitoring of structures; reinforced concrete chimney; corrosion processes; service life of structure

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