Experimental Heat Transfer Study on Green Roofs in a Semiarid Climate during Summer

Table 1

Properties of soils used in the study.

	Sand	Silt clay
Gravel %	0.0	11.9
Sand %	99.9	78.1
Fines (silt and clay) %	0.1	10.0
Specific gravity of solids	2.29	2.67
Bulk density (g/cm^3)	1.64	1.12
USCS soil type	SP	SW-SC