Page 117 - JCAU-6-3

Journal of Chinese
Architecture and Urbanism Sustainability of courtyard building

drying, sawing, and cutting, which consumes less energy. The Green star rating scorecard can be used to assess
At the end of its service life, wood building materials the sustainability of these materials. Green Star evaluates
can be recycled at a higher rate compared with concrete- four aspects of building materials: (i) life cycle impacts, (ii)
framed buildings, thereby reducing carbon emissions responsible building materials, (iii) sustainable products,
(Wei & Wang, 2024). and (iv) construction and demolition waste. In terms of life
cycle impact, although the project has not been assessed, it
meets the scoring requirements since no cement or steel
was used, and the first floor uses structural timber covering
100% of the gross floor area.

Considering the responsible building materials, the
300-year-old building does not have forest certification
for its timber but does not contain polyvinyl chloride. It
cannot be verified whether the criteria for the sustainable
products and construction and demolition waste categories
are satisfied.

5.2. IEQ
Here, IEQ is discussed across the aspects of thermal
comfort, ventilation, lighting, and noise. In terms of
thermal comfort, the dry bulb temperature, as evaluated
Figure 5. A building information modeling model of the Flag Stall by the software Sefaira, does not meet thermal comfort
courtyard building frame structure. Source: Drawing by Chuan He requirements. This is mainly because the building lacks

Table 3. Material lists. Source: Table by Chuan He
List of material Characteristics
Interior wall Width (mm) Area (sqm) Volume (m )
3
Wooden wall 210 235.61 49.48
Total: 14 235.61 49.48
3
Exterior wall Width (mm) Area (sqm) Volume (m )
Stonewall type 1 200 427.35 175.22
Stonewall type 2 400 152.26 30.45
Total: 37 579.61 205.67
Wooden door Height (mm) Width (mm) Door height (mm) Quantity
Door type 1 2000 1600 2400 3
Door type 2 1800 600 2200 16
Window Heat transfer coefficient (U) Visible light transmittance Solar heat gain coefficient Width (mm) Quantity
Window type 1 1.1 W/(m²·K) 0.42 0.23 800 14
Window type 2 1.1 W/(m²·K) 0.42 0.23 1,500 33
Window type 3 1.1 W/(m²·K) 0.42 0.23 4,000 5
Fixed glazing 1.1 W/(m²·K) 0.42 0.23 1,500 12
Floor Elevation Circumference (mm) Volume (m ) Area (sqm)
3
Stone: 300 mm Elevation1 126,240 114.53 381.77
Wood: 300 mm Elevation2 55,430 22.31 92.57
Wood: 300 mm Elevation2 25,610 8.82 36.59
Wood: 300 mm Elevation2 25,610 8.82 36.59
Wood: 300 mm Elevation2 63,430 44.84 186.04
Roof Area (sqm) Volume (m )
3
Tile roof 470.03 183.69

Volume 6 Issue 3 (2024) 9 https://doi.org/10.36922/jcau.3187