Factors Considered in Joint Design Method

Table 1 shows the factors evaluated in this study in order to propose the design method providing adequate sealed joint performance. These factors affect the fatigue resistance of sealed joints when relative story displacement occurs at sealed joints. First, the previously utilized types of sealants were evaluated. Sec­ond, the effects of the cross-sectional size and shape of sealants were evaluated [6-8]. Third, the members of building sealed joints were evaluated. The present sealed joint method has mainly focused on the fatigue resistance of the linear sections of sealed joints. However, there are intersections of sealed joints that occur in actual buildings. Therefore, it is necessary to study the fatigue resistance of both sealed joint types (linear sections and intersections). Moreover, movements in the intersections of sealed joints are affected by the behavior of the adjacent curtain wall panels. The typical attachment methods for curtain wall panels are of the sliding motion and rocking motion types [9,10].