[Retracted] Study on Thermal Performance Measurement and Construction of Passive Exterior Wall with Low Energy: Teaching and Laboratory Building of Shandong Jianzhu University

Table 4

Thermal insulation performance of main structural layers of exterior wall.

Structural hierarchy	Test point	Thermal resistance, R (m^2·k·w^−1)	Heat insulation performance, (°C)	Insulation performance, (°C)	Heat insulation performance of each unit of thermal resistance, (°C)	Insulation performance of each unit of thermal resistance, (°C)
Aerated concrete slabs	Point 1, 3	14.29	8.66	4.58	0.61	0.32
Inner graphite polystyrene plate	Point 3, 4	33.33	4.97	4.58	0.15	0.14
Outer graphite polystyrene plate	Point 4, 5	33.33	2.13	2.2	0.06	0.07