Effect of Atmospheric Pressure on Performance of AEA and Air Entraining Concrete

Table 9

Calculated results of bubble radius of AEA.

Location	Atmospheric pressure (kPa)	Surface tension (mN·m^−1)		Bubble radius (μm)
		AEA A	AEA B	AEA A	AEA B
Wuhan of Hubei	100	29.4	31.9	58.8	63.8
Shannan of Tibet	66	32.9	34.2	99.7	103.6
Naqu of Tibet	57	34.6	36.3	121.4	127.4