<abstract xmlns="http://www.w3.org/1999/xhtml"><p>When observing the stability of suspended ceilings during operation, sometimes smaller failures are observed, up to disasters, even a few of considerable sizes and serious consequences. The aim of the article is to analyse the causes of damage to a suspended ceiling, with an area of approximately 500 m<sup>2</sup>, as well as testing and checking the applied construction elements. In situ destructive tests as well as tests at the AGH laboratory were carried out. The analyses were carried out in accordance with PN/EN 13964: 2014 (E). It was found that the designed ceiling system solution was correct. Whereas in the performance, an improper spacing of hangers, even by more than 70% of the permissible spacing, and forbidden lengths of brackets from C60 profiles, were applied. Also, about 55% of the connectors had too small diameters of the ends of the mandrels, which allowed for the sliding of broken head and a sudden loss of carrying capacity of the hanger.</p></abstract>

When observing the stability of suspended ceilings during operation, sometimes smaller failures are observed, up to disasters, even a few of considerable sizes and serious consequences. The aim of the article is to analyse the causes of damage to a suspended ceiling, with an area of approximately 500 m2, as well as testing and checking the applied construction elements. In situ destructive tests as well as tests at the AGH laboratory were carried out. The analyses were carried out in accordance with PN/EN 13964: 2014 (E). It was found that the designed ceiling system solution was correct. Whereas in the performance, an improper spacing of hangers, even by more than 70% of the permissible spacing, and forbidden lengths of brackets from C60 profiles, were applied. Also, about 55% of the connectors had too small diameters of the ends of the mandrels, which allowed for the sliding of broken head and a sudden loss of carrying capacity of the hanger.

Failures of suspended ceilings and execution errors

Department of Geomechanics, Civil Engineering and Geotechnics

Technical Transactions

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

{"article-title":"Failures of suspended ceilings and execution errors"}

When observing the stability of suspended ceilings during operation, sometimes smaller failures are observed, up to disasters, even a few of considerable sizes...

Failures of suspended ceilings and execution errors

Publié en ligne: 23 mai 2020

Pages: 107 - 116

Reçu: 23 nov. 2018

DOI: https://doi.org/10.4467/2353737XCT.18.181.9669

Mots clés
failures, suspended ceilings, metal expansion anchors

© 2018 Andrzej Więckowski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

Failures of suspended ceilings and execution errors

Publié en ligne: 23 mai 2020

Pages: 107 - 116

Reçu: 23 nov. 2018

DOI: https://doi.org/10.4467/2353737XCT.18.181.9669

Mots clésfailures, suspended ceilings, metal expansion anchors

© 2018 Andrzej Więckowski et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

Mots clés
failures, suspended ceilings, metal expansion anchors