Study on mechanicalpropertiesandtheirdeteriorationof woodengrid wall with smallsize thinned lumbers

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In this research, the lateral loading tests of some type of wooden grid walls were carried out to clarify the mechanical properties and their deterioration of grid walls with small size lumbers. The experimental results show that the mechanical properties of grid wall don't change a lot until 24 months after manufactured. It was also proved that few different exists between the mechanical properties grid walls made from thinned lumber and that made from normal lumber. Moreover, a new model of restoring force characteristics for grid wall was proposed