denotes the length of the double-tube and denotes the : the maximum moment where the stiffness of inner is defined as the yield of the inner tube. Inequality (3) represents the hatched region (hereafter, safe region) in Figure 3. the cross point of

doi:10.1201/9781482271355-106

Chapter

denotes the length of the double-tube and denotes the

ABSTRACT

denotes the length of the double-tube and 1E 11 denotes the flexural stiffness of the inner tube. As 1Mn is required to be defined as the maximum moment where the stiffness of inner tube can be maintained, 1Mb is defined as the yield moment of the inner tube.