In fact, he said, Roman structures that rely on the arch for strength can far outlast modern concrete buildings that rely on steel reinforcement bars, which eventually corrode.
实际上，他说，罗马结构依赖于高强度的拱，寿命远长于现代的依靠钢强化的混凝土建筑，而钢结构最终被腐蚀。
Based on comparison of strength, ductility, anchorage property and construction adaptation of steel bars in reinforcement concrete, the proposal of optimization for steel bars has been proposed.
从钢筋强度、延性、锚固性能以及施工适应性等几方面，比较了我国现有各种钢筋的特点，并提出了优化我国混凝土用钢筋的建议。
应用推荐