The Study on Early-Age Expansion and Shrinkage Model of Massive Self-Compacting Concrete Pumped in Steel Tube Column

Table 5

Maximum values of expansion and shrinkage strains of the core concrete.

Type of steel tube column	Expansion and shrinkage directions	Expansion strains	Shrinkage strains
SYZ-1	Vertical	30.295 με	−414.518 με
		23.792 με	−402.060 με
	Horizontal	70.580 με	−365.370 με
		87.019 με	−335.686 με
SYZ-2	Vertical	6.824 με	−323.532 με
		8.777 με	−302.180 με
	Horizontal	31.654 με	−268.006 με
		38.513 με	−269.299 με