“结构稳定性”常见的英文表达是 "structural stability"。
例如：
The structural stability of the bridge is of utmost importance for ensuring safe traffic. （这座桥的结构稳定性对于保障交通安全至关重要。）
Engineers need to calculate and assess the structural stability of buildings under various loads. （工程师需要计算和评估建筑物在不同荷载下的结构稳定性。）