Service life prediction model applied to natural stone wall claddings (directly adhered to the substrate)

被引:65
|
作者
Silva, A.
de Brito, J. [1 ]
Gaspar, P. L. [2 ]
机构
[1] Univ Tecn Lisboa, Dept Civil Engn & Architecture, IST, P-1049001 Lisbon, Portugal
[2] Univ Tecn Lisboa, Fac Architecture, P-1300 Lisbon, Portugal
关键词
Service life prediction; Natural stone cladding; Degradation state;
D O I
10.1016/j.conbuildmat.2011.03.064
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
This paper aims at establishing a model for the service life prediction of natural stone wall claddings directly adhered to the substrate, based on a survey of the degradation state of 142 buildings in the Lisbon area. The state of degradation is evaluated through visual inspections that allow the description of the extent of the cladding area affected by the different anomalies, thereby enabling the level of severity of the anomalies detected to be established. A numerical index of the degradation severity of stone claddings (S,) is established; this is intended to express the global degradation level of these claddings, thus allowing the study of the evolution of their degradation with time in order to estimate a reference service life for this type of cladding. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码:3674 / 3684
页数:11
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