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Environmental degradation factors, their characterisation and effects on sealed building joints



Title: Environmental degradation factors, their characterisation and effects on sealed building joints
Author(s): A.T. Wolf
Paper category : book
Book title: Durability of Building Sealants - State-of-the-Art Report of RILEM TC 139-DBS
Editor(s): A. T. Wolf
Print-ISBN: 2-912143-12-8
e-ISBN: 2351580419
Publisher: RILEM Publications SARL
Publication year: 1999
Pages: 41 - 71
Total Pages: 31
Nb references: 76
Language: English


Abstract: 
This chapter outlines important features of the environmental degradation factors, methods for their characterisation, and their effects on the degradation of the performance of sealed joints. The review follows the classification suggested earlier in this report, i.e. weathering and biological factors are discussed separately. The weathering factors responsible for the degradation of sealants are solar radiation; water in its various physical forms; normal air constituents; air contaminants; temperature and its cycles; and wind. Biological degradation is caused by micro-biological factors, such as bacteria, fungi, and algae, and by macro-biological factors, such as plants, animals and humans.


Online publication: 2009-12-07
Publication type : full_text
Public price (Euros): 0.00


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