Abstract
Construction and control principle of the new combined steel lead damper (NCSLD) were introduced, pseudo-static tests of NCSLD which would be used in the subsequent shaking table tests were carried out for the study of its mechanical properties using electro-hydraulic servo press-shear machine. Structural seismic design procedure using NCSLD is presented. An engineering example of seismic strengthening using NCSLD is provided. Results of tests and analyses indicate that NCSLD has full hysteresis loops which take on bilinearity; NCSLD is of strong energy dissipation ability and has obvious control effects for structural inter-story displacement and acceleration reactions.
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