plastic theory of reinforced concrete

例句：

1. 1.The engineer used the plastic theory of reinforced concrete to design the new bridge.
   工程师利用塑性混凝土理论设计了这座新桥。
2. 2.The construction team applied the plastic theory of reinforced concrete during the building process.
   施工团队在建筑过程中应用了塑性混凝土理论。
3. 3.The researcher proposed a new model based on the plastic theory of reinforced concrete.
   研究者基于塑性混凝土理论提出了一个新的模型。