求翻译：当一座桥、一座建筑物或其他类似结构物正处于施工中，混凝土一般只用于承担所产生的压应力，而配置于结构内的加强钢筋用于抵抗拉应力。是什么意思？

When a bridge, a building, or other similar structures are in construction, concrete generally used only to bear the pressure of stress, while in the structure of concrete reinforcing bars and rods for resistance to tensile stress.