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Interface Influence on Moisture Transport in Building Components

The Wetting Process

  • João M. P. Q. Delgado
  • António C. Azevedo
  • Ana S. Guimarães
Book

Part of the SpringerBriefs in Applied Sciences and Technology book series (BRIEFSAPPLSCIENCES)

Table of contents

  1. Front Matter
    Pages i-viii
  2. João M. P. Q. Delgado, António C. Azevedo, Ana S. Guimarães
    Pages 1-4
  3. João M. P. Q. Delgado, António C. Azevedo, Ana S. Guimarães
    Pages 5-15
  4. João M. P. Q. Delgado, António C. Azevedo, Ana S. Guimarães
    Pages 17-29
  5. João M. P. Q. Delgado, António C. Azevedo, Ana S. Guimarães
    Pages 31-60
  6. João M. P. Q. Delgado, António C. Azevedo, Ana S. Guimarães
    Pages 61-62

About this book

Introduction

The knowledge of moisture migration inside building materials and construction building components is decisive for the way they behave when in use. The durability, waterproofing, degrading aspect and thermal behaviour of these materials are strongly influenced by the existence of moisture within their interior, which provoke changes in their normal performance, something that is normally hard to predict. Due to the awareness of this problem, the scientific community have per-formed various studies about the existence of moisture inside porous materials. The complex aspects of moisture migration phenomenon tended to encompass monolithic building elements, since the existence of joints or layers contributes to the change of moisture transfer along the respective building element that contribute to the change of mass transfer law. The presentation of an experimental analyses concerning moisture transfer in the interface of material that makes up masonry is described in such a way as to evaluate the durability and/or avoid building damages.

In this work it was analysed, during the wetting process, the influence of different types of interface, commonly observed in masonry, such as: perfect con-tact, joints of cement mortar, lime mortar, and the air space interface. The results allow the calculation of the hygric resistance. With these results, it is possible to use any advanced hygrothermal simulation program to study the water transport in building elements, considering different interfaces and their hygric resistance.

Keywords

Building Components Moisture Transport Metal Support Structure Interface Influence Wetting Process Historical Buildings Gamma Rays

Authors and affiliations

  • João M. P. Q. Delgado
    • 1
  • António C. Azevedo
    • 2
  • Ana S. Guimarães
    • 3
  1. 1.Department of Civil Engineering, Faculty of EngineeringUniversity of PortoPortoPortugal
  2. 2.CONSTRUCT-LFCUniversity of PortoPortoPortugal
  3. 3.CONSTRUCT-LFCUniversity of PortoPortoPortugal

Bibliographic information

  • DOI https://doi.org/10.1007/978-3-030-30803-2
  • Copyright Information The Author(s), under exclusive license to Springer Nature Switzerland AG 2020
  • Publisher Name Springer, Cham
  • eBook Packages Chemistry and Materials Science
  • Print ISBN 978-3-030-30802-5
  • Online ISBN 978-3-030-30803-2
  • Series Print ISSN 2191-530X
  • Series Online ISSN 2191-5318
  • Buy this book on publisher's site
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