A self-adaptive real-time hybrid simulation test loading method for a space framework model. In the method, by means of a dual initial time lag compensation strategy of initial time lag compensation and a self-adaptive loading section, an initial time lag of a system can be ensured to be close to 0 before seismic waves are formally loaded, and a problem of insufficient estimation and compensation of the initial time lag in a real-time hybrid simulation test is solved. Moreover, in the test, a space framework test substructure is equivalent to a test unit, and a signal conversion module is used for converting overall displacement corresponding to the test substructure in an overall model into test substructure loading relative displacement actually fixed on a base so that real-time loading of a large-scale space framework model having higher rigidity is achieved.
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