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

Table 4

Maximum values of pouring pressure and expansion stress at each measuring point of the core concrete.

Type of steel tube column	Types of force	Measuring points
		1	2	3	4
SYZ-1	Pouring pressure	0.025 MPa	0.094 MPa	0.197 MPa	0.283 MPa
	Expansion stress	0.407 MPa	0.505 MPa	0.530 MPa	0.370 MPa
SYZ-2	Pouring pressure	0.208 MPa	0.282 MPa	0.370 MPa	—
	Expansion stress	0.657 MPa	0.712 MPa	0.686 MPa	—