Daylighting Calculations for Living Rooms with Glazed Balconies (Loggias)

Currently, outdoor balcony glazing is widely used for glazing multi-storey residential buildings. However, the current method analysis for calculating daylighting of rooms used in the territory of the Russian Federation shows that it does not take into account the shading effect of balcony glazing. This is one of the reasons for the decrease in daylight in rooms that open to a glazed balcony (loggia). The paper considers approaches to improving the existing methodology for calculating daylighting in rooms with glazed balconies (loggias). To do this, we analyzed the factors that influence the lighting characteristics of modern types of balcony glazing. The daylighting geometric coefficient calculations a residential space with a glazed balcony were made for various variants of balcony glazing and using different approaches. The calculation results show that the application of the current calculation method for residential rooms with glazed balconies (loggias) gives inflated calculation results, since this method does not allow taking into account the design features of the balcony glazing (the shading effect of its profile elements and elements of the balcony railing). It is possible to increase the accuracy of the daylighting calculations of rooms with glazed balconies by taking into account the actual size and light transmission of each individual cell of translucent filling, through which the sky will be visible at the calculated point of the room. However, this method of calculation is time-consuming. In engineering practice, it is rational to use the calculating method the daylighting of rooms with glazed balconies, taking into account the actual geometry of the light openings of the balcony and the outer wall and using the coefficient light transmission of balcony glazing and windows.

A.P. KONSTANTINOV, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.)

National Research Moscow State University of Civil Engineering (26, Yaroslavskoe Highway, Moscow, 129337, Russian Federation)

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