Energy renovation of the multi-residential historic building after the Zagreb earthquake – Case study (CROSBI ID 312715)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Milovanović, Bojan ; Bagarić, Marina ; Gaši, Mergim ; Stepinac, Mislav
engleski
Energy renovation of the multi-residential historic building after the Zagreb earthquake – Case study
Historic buildings represent our cultural heritage and identity. Due to their age and building tradition, they are extremely vulnerable to seismic excitations, as confirmed by the recent earthquake in the city of Zagreb. In addition, historic buildings are among the buildings with the worst energy performance and very low indoor comfort. In the scope of this paper, the seismic and energy integrated approach is applied to a typical multi-residential building in Zagreb his- torical downtown. The main focus of the paper is on building envelope energy efficiency measures. Different variants of thermal insulation (external and internal), secondary windows (maintaining existing ones vs. new efficient ones) and ventilation (natural vs. mechanical with heat recovery) are analysed in terms of building energy performance (3D level). Furthermore, replacement of existing technical systems and installation of RES are also considered. Moreover, the acceptability of the proposed retrofitting solutions for opaque elements is evaluated in terms of thermal bridges (2D level) and long-term hygrothermal performance (1D level). Finally, the results show that it is possible even for a 100- year-old building to meet the current national primary energy requirements for new buildings and provide good indoor environmental quality for occupants while respecting the cultural heritage.
Earth quake damaged historic buildings, Energy renovation, Integrated retrofitting, Thermal bridges, Indoor comfort, Hygrothermal performance
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Podaci o izdanju
38 (October 2022)
2022.
1-24
objavljeno
2214-157X
10.1016/j.csite.2022.102300