AN EXPERIMENTAL STUDY ON HORIZONTAL RESISTANT MECHANISM OF SANDWICHED PANEL STRUCTURE OF INSERTED METHOD

Recently, in Japan, there are some discussions to promote the use of timber resource in the field of architectural buildings. For examples, some latest mid-rise buildings are constructed using wooden material, such as the facilities of Tokyo Olympic 2020. We can experiment the dairy life and architectural space with timber materials, which often has attracted attention. In Japan, the demand of low-rise prefabricated steel building is recently increasing. However, to satisfy the seismic resistant performance of building, they are required to have lots of seismic resistant wall which restrict layout of wall and opening. The object of this study is to develop low-rise prefabricated steel building with high seismic resistance performance using hybrid structural system using wooden materials. We suggest the method of sandwich panel structures, which steel column is sandwiched by structural plywood connected by bolt joints. To improve productivity and seismic resistance, this paper suggests the construction process using inserted wall sliding construction method. To clarify the resistant mechanism and structural performance, a horizontal loading test is conducted. From the results, the resistant mechanism in the diagonal direction is appeared; it means that the effective resistant system can be obtained. Also, the composite effect of steel and plywood is presented to give the high strength and rigidity. From the observation of test results, the analysis model is assumed. And also, it is confirmed that the proposed model can evaluate the strength of test results.