Baseline-Free Detection Method for Change of Lateral Stiffness of High-Rise Building Based on Statistical Moment Curvature

Table 3

Comparison and analysis of recognition results of different detection methods.

Method	Whether the stiffness reduction position can be judged	Is it easy to misjudge	Whether to refer to the initial state data of the structure	The sensitivity coefficients
Modal curvature difference method	Yes	Yes	Yes	7.12
Flexibility curvature difference method	Yes	Yes	Yes	7.75
Proposed method	Yes	No	No	579.36