Fig. 1 1 The sketch for forced lead shear damper mm 45 mm 4 mm 200 mm 25 mm 2 mm mm Table 2 The energy dissip

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1 * ABAQUS - DOI /j. gyjz EXPERIMENTAL STUDY AND THEORETICAL MODEL OF A NEW TYPE OF STEEL-LEAD DAMPING Shen Fei 1 Xue Suduo 1 Peng Lingyun 2 Ye Jihong 3 1. Spatial Structure Research Center Beijing University of Technology Beijing China 2. Beijing Key Lab of Earthquake Engineering and Structural Retrofit Beijing University of Technology Beijing China 3. Key Lab of Concrete and Prestressed Concrete Structure of Ministry of Education Southeast University Nanjing China Abstract According to the shear principle of the shear lead damper a new simple damping device laminated steellead damping device was put forward. The mechanical properties of the device under different loading displacement different loading frequency and different loading times were studied by experiments. The results showed that the hysteretic curve of the device was relatively full and the energy dissipation was also good. The numerical simulation of the damping device was carried out by ABAQUS software the results were in accord with the experimental results. According to the experimental results the theoretical model of the damping device was established and the formulas and values of the relevant parameters were given. Keywords laminated steel-lead shock absorption device experimental study theoretical model Robinson 3 1 Penguin Engineering * shenfei_47@ 163. com Industrial Construction Vol 45 No

2 Fig. 1 1 The sketch for forced lead shear damper mm 45 mm 4 mm 200 mm 25 mm 2 mm mm Table 2 The energy dissipation of laminated steel-lead damping device kn mm a b Fig Structural sketch of laminated steel-lead damping device ~ 10 MPa kn 10 MPa 200 mm 25 mm Table kn 1 The loading conditions of damping device /mm / /Hz / / / / / / / / / / / kn 2

3 10 MPa 3 a 1 b 2 c 3 d 4 e 5 f 6 g 7 h 8 i 9 j 10 k 11 Fig The test results of laminated steel-lead damping device ABAQUS Fig. 4 The 3D model of damping device 4-9 Bouc-Wen K 1 K 2 F 1 u 1 F y u y 3 K 1 = GA /l a Table 3 Energy dissipation comparison of damping K 2 = 0 device between test and simulation results F 1 = F y = τ y A 1 / / kn mm / / kn mm u 1 = F 1 /K 1 mm mm u y = τ y h /G τ y A G l a h

4 a 5 mm b 10 mm c 15 mm d 20 mm e 25 mm f 30 mm g 35 mm h 40 mm 5 Fig. 5 Comparison of the test results with simulation results of damping device 6 Fig. 6 Damping force model and experimental measurement 1 5 K 1 = GA /l a = 170 kn /mm K 2 = 0 K eq = - F y /u y ξ eq = 1 ΔW 4π( W ) 2 e W e = K eu ΔW W e K e K 1 u 40 mm mm kn mm kn mm Fig. 7 Results comparison between theore tical computation J J Robinson W H Greenbank L R. An Extrusion Energy Absorber Suitable for the Protection of Structures During an Earthquake J. Earthquake Engineering and Structural Dynamic

5 4 Monti M D Robinson W H. A Lead Shear Damper Suitable for Reducing the Motion Induced by Wind and Earthquake C / / Proceedings of the 11th WCEE J Monti M D Shaw I R Ferguson W G et al. The High Strain Cyclic Shear of Lead Under Imposed Hydrostatic Pressure C / / Institution of Professional Engineers of New Zealand D D J Wen Y K. Method for Random Vibration of Hysteretic Systems J. Journal of the Engineering Mechanics Division Bouc R. Forced Vibration of Mechanical System with Hysteresis C / /Proceedings of the 4th Conference on Nonlinear Oscillation J