Hubei;
Key;
Laboratory;
for;
Engineering;
Structrual;
Analysis;
and;
Safety;
Assessment,;
School;
of;
Civil;
Engineering;
and;
Mechanics,;
Huazhong;
University;
of;
Science;
and;
Technology,;
Wuhan;
430074,;
China;
Department;
of;
Industrial;
and;
Systems;
Engineering,;
The;
Hong;
Kong;
Polytechnic;
University,;
Hong;
Kong,;
China;
计算复杂度; 可靠性指标; 半解析法; 非概率; 改性; 极限状态方程; 优化算法; 区间变量;