Numerical moisture simulation of redeveloped structures using active materials based on cement composite

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27350%2F16%3A86097477" target="_blank" >RIV/61989100:27350/16:86097477 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/61989100:27360/16:86097477 RIV/61989100:27740/16:86097477

Výsledek na webu

<a href="http://onlinelibrary.wiley.com/doi/10.1002/mawe.201600525/full" target="_blank" >http://onlinelibrary.wiley.com/doi/10.1002/mawe.201600525/full</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1002/mawe.201600525" target="_blank" >10.1002/mawe.201600525</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Numerical moisture simulation of redeveloped structures using active materials based on cement composite

Popis výsledku v původním jazyce

This article describes a non-destructive solution of these problems using a concrete real case in an existing building with long-term signs of moisture in the window connecting joints. The elimination of this problem lies in the application of the developed calcium silicate material designed for moisture and thermal redevelopment of buildings. This article describes the properties of the newly developed material based on cement composite containing alumina silicate filler. The final material uses the same principles of moisture transport as the widely used autoclaved calcium silicate insulations. In comparison with these normally used materials, the developed material is unique by omitting hydrothermal curing in an autoclave. The new material, with a defined capillary structure, also utilizes waste heating plant fly ash, which improves the mixture rheology and decreases the amount of cement, thanks to its latent hydraulic properties. Materials with similar properties using waste raw material are used, for example, in the form of plasters [1-3]. The aim of this research was to develop a material belonging to the segment of the energy redevelopment of buildings, moisture redevelopment and interior insulation. Materials compliant with these segments must meet the requirements for a low value of diffusion resistance, high value of capillary activity and low value of thermal conductivity coefficient. The measured thermal and technical parameters of the developed material were transferred into the numerical Delphin software, where the moisture behaviour of the structural detail of the connecting joints of window construction was simulated. The developed recipes were further modified on the basis of these calculations, and boards with the best combination of thermal and technical variables were compared as well.

Název v anglickém jazyce

Numerical moisture simulation of redeveloped structures using active materials based on cement composite

Popis výsledku anglicky

This article describes a non-destructive solution of these problems using a concrete real case in an existing building with long-term signs of moisture in the window connecting joints. The elimination of this problem lies in the application of the developed calcium silicate material designed for moisture and thermal redevelopment of buildings. This article describes the properties of the newly developed material based on cement composite containing alumina silicate filler. The final material uses the same principles of moisture transport as the widely used autoclaved calcium silicate insulations. In comparison with these normally used materials, the developed material is unique by omitting hydrothermal curing in an autoclave. The new material, with a defined capillary structure, also utilizes waste heating plant fly ash, which improves the mixture rheology and decreases the amount of cement, thanks to its latent hydraulic properties. Materials with similar properties using waste raw material are used, for example, in the form of plasters [1-3]. The aim of this research was to develop a material belonging to the segment of the energy redevelopment of buildings, moisture redevelopment and interior insulation. Materials compliant with these segments must meet the requirements for a low value of diffusion resistance, high value of capillary activity and low value of thermal conductivity coefficient. The measured thermal and technical parameters of the developed material were transferred into the numerical Delphin software, where the moisture behaviour of the structural detail of the connecting joints of window construction was simulated. The developed recipes were further modified on the basis of these calculations, and boards with the best combination of thermal and technical variables were compared as well.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

JN - Stavebnictví

OECD FORD obor

—

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2016

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Materialwissenschaft und Werkstofftechnik

ISSN

0933-5137

e-ISSN

—

Svazek periodika

47

Číslo periodika v rámci svazku

5-6

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

8

Strana od-do

495-502

Kód UT WoS článku

000377275500014

EID výsledku v databázi Scopus

2-s2.0-84971379255