Excavation induced building damage

Authors

  • João Portugal Laboratório Nacional de Engenharia Civil
  • Alexandre Portugal COBA
  • Acácio Santo COBA

DOI:

https://doi.org/10.14195/2184-8394_107_7

Keywords:

Risk analysis, Damage to buildings, Excavations in urban areas

Abstract

Ground decompression is usually associated to underground excavation, generally leading to subsidence of the surface. Consequences of such movements on existing buildings must be evaluated especially in urban areas. In this paper the Building Risk Assessment (BRA) method proposed by Burland is presented, its usefulness being illustrated. Initially, estimation of surface movement induced by excavations (2) and subsequent effects on existing structures (3) are treated. A method for risk assessment (4) is presented and exemplified (5). The paper concludes with a discussion on its usefulness.

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References

Bowles, J. E. (1990). Foundation analysis and design. McGraw-Hill: International Student Edition, pp. 803-806.

Burland, J. B. (1997). Assessment of risk of damage to buildings due to tunnelling and excavation. Balkema: Earthquake Geotechnical Engineering, Ishihara (ed.), pp. 1189-1201. Burland, J. B.; Broms, B. B.; de Mello, V. F. (1977). Behaviour of foundations and structures. State of-the-art report, Proc. of the 9th ICSMFE, State of-the-art Volume, pp. 495-546, Tokyo. Burland, J. B.; Wroth, C. P. (1974). Settlement of buildings and associated damage. Proc. of the Conf. on Settlement of Structures, Review Paper: Session V, pp. 611-654, Cambridge. Geodata (2000). Metro do Porto. Sistema de metro ligeiro da área metropolitana do Porto. Linhas C, S e J. Interpretação dos resultados do levantamento estrutural e avaliação preliminar do risco. Memória metodológica para a avaliação do risco das edificações ao longo do traçado. Normetro - Transmetro, Relatório Técnico refª 3/06/C/DE/00.00/220/TM/RT/178702/A/01. Hsieh, P.; Ou, C. (1998). Shape of ground surface settlement profiles caused by excavation. Canadian Geotechnical Journal, Vol. 35, pp. 1014-1017.

Peck, R. B. (1969). Deep excavations and tunneling in soft ground. Proc. of the 7th International Conference on Soil Mechanics and Foundation Engineering, State of-the-art Volume, State of the-art report, pp. 225-290, México.

Rankin, W. J. (1988). Ground movements resulting from urban tunnelling: predictions and effects. Eng. Geol. of Underground Movements, pp. 79-92.

Published

2006-07-21

Issue

Section

Articles