ZEMCH 2012 International Conference Proceedings - page 377

S p o n t a n e o u s A r c h i t e c t u r e a n d E n e r g e t i c S u s t a i n a b i l i t y
367
COVERING ROOF
STRATIGRAFY (from bottom) Thickness cm 26
Surface weight kg/m² 380,300
Plaster of lime Thermal capacity kJ/(m²·K) 77,82
Cane Thermal resistance m²·K/W 1,425
Dry sand Thermal trasmittance W/(m²·K) 0,702
Cast of lime, water and volcanic inert Periodic thermal trasmittance W/(m²·K) 0,116
Insulation Attenuation 0,165
Exterior finish temperature offset [h] -8,53
MASONRY VOULT
STRATIGRAFY (from bottom) Thickness cm 35
Surface weight kg/m² 617,400
Plaster of lime Thermal capacity kJ/(m²·K) 78,00
Lavic stones Thermal resistance m²·K/W 1,236
Cast of lime, water and volcanic inert Thermal trasmittance W/(m²·K) 0,809
Insulation Periodic thermal trasmittance W/(m²·K) 0,145
Exterior finish Attenuation 0,179
temperature offset [h] -9,3
EXTERNAL VERTICAL MASONRY
STRATIGRAFY (from extern) Thickness cm 70
Surface weight kg/m² 1320,000
Plaster of lime Thermal capacity kJ/(m²·K) 115,08
Lavic stones and lime Thermal resistance m²·K/W 0,502
Plaster of lime Thermal trasmittance W/(m²·K) 1,992
Periodic thermal trasmittance W/(m²·K) 0,105
Attenuation 0,053
temperature offset [h] -15,25
Figure 7: thermotecnical parameters.
Thanks
A special thanks to Fiorenza D’Urso, Aldo Siragusa, Walter Pettinato and Agatino
Bonanno who have made the drawings, under my guidance and to Ing. Massimo De
Tommaso, who helped me to calculate the Thermotechnical parameters.
References
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