Research on the Reinforcement Mechanism and Safety Monitoring of Heavy-Duty Concrete-Encased CFST Columns

Table 2

Measured and calculated values of an increment in the stress of column 5 during the process of bearing capacity recovery.

Measuring point		Increment in stress (MPa)
		Measured	Calculated
Inner steel pipe	30	−10.02	−7.52
	31	−8.52	−7.53
Steel rebars of the outer reinforced concrete	33	−4.08	−7.65
	34	−3.24	−7.53