Research On Coordinated Working Performance Of Multi-functional Vibration-absorption Enclosure Walls Structures

In the paper the Multi-functional vibration-absorption enclosure walls structure would be researched. In the structure the main load-bearing structure is isolated with enclosure walls, through the brittle compressive and shear components, enclosure walls are connected with the main load-bearing structure. In minor earthquakes enclosure walls must work together with the main load-bearing structure, both of them will bear the horizontal force. In the paper the cooperation of enclosure walls with the main load-bearing structure under the horizontal force would be researched, and by the experiment, nonlinear FEM calculation, theory analysis, performance of cooperation work and the scale of bearing force of the wall have been detailed study.The main research contents and achievements are summarized as follows:(1)Through theory analysis, the calculating cooperation mode of the main load-bearing structure and enclosure walls had been building. And using the calculating mode to analysis one layer structure, the proportion relation of bearing the vertical of the walls was detailed, and theses influencing factors are analyzed.(2) In the test, ten group concrete brittleness compression elements with different effective thickness and different concrete intensity were made and the compressing bearing forces of different disks were tested. The results of the experiment are analyzed. Then the calculating formula of brittleness compression element is obtained. Results of the theory analysis and comparing experience show that the calculation formula obtained by the paper adapt to analyzing brittleness compression element, and the calculation result is very exact. The result will offer basis for subsequent experiments.(3)By test of one one-ribbed two layer Multi-functional vibration-absorption enclosure walls structure, the stress feature, the deformation of the structure and the bearing force of the brittle compressive components is analyzed. On the basis of experiment, the paper studies the strain mechanism of the wall on the horizontal load. The enclosure walls can raise the resist-horizontal force capacity, and the proportion relation of bearing the vertical of the walls was detailed, the proportion relation was influenced by the number of story and the stiffness of walls and the main structure.(4)The FEM model is established for the wall, and the analysis results of the FEM were obtained and the experimental researches are contrast verification. By using the FEM model, the stress and deformation characteristics of enclosure walls and the main structure is analyzed in lateral load, and the analysis results of the FEM were contrast with the results with experimental research. The FEM model can be used to analysis the Multi-functional vibration-absorption enclosure walls structure.