Research Article

Sustainability Design Considerations for Timber-Concrete Composite Floor Systems

Table 3

TCC allowable floor spans with associated embodied carbon for 250 mm spaced connectors.

MTPMTP thickness (mm)Concrete thickness (mm)Effective stiffness ((106) Nm2)Span (m)STC (dB)Embodied carbon (kgCO2/m2 eq)
TotalTimber shareReinforced concrete share

GLT8900.082.623915.415.40.0
501.874.984939.023.6
753.035.395251.335.9
1004.95.925562.647.2
14000.614.264223.023.00.0
504.616.264946.623.6
756.076.445258.935.9
1008.226.755570.247.2
18602.095.734529.729.70.0
508.917.394953.323.6
7510.657.435265.635.9
10013.067.605576.947.2

CLT105 (3 ply)00.343.804011.911.90.0
502.75.474935.523.6
753.945.785247.835.9
1005.886.215559.147.2
175 (5 ply)01.735.504418.218.20.0
508.417.294941.823.6
7510.047.335254.135.9
10012.357.505565.547.2
245 (7 ply)04.756.884724.624.60.0
5019.659.014948.223.6
7521.738.925260.535.9
10024.438.935571.847.2
315 (9 ply)010.28.164931.031.00.0
5038.3510.634954.623.6
7540.9410.465266.935.9
10044.0710.375578.247.2