Fields underwater blasting were carried out in the rock, concrete and reinforced concrete structures.
爆破介质有岩石、混凝土或钢筋混凝土。
The main contents of this thesis are the aseismatic performance and design theory of steel reinforced concrete structures and unbonded prestressed concrete structures.
本文的主要研究内容是型钢混凝土结构和无粘结预应力混凝土结构的抗震性能和设计理论。
Reinforced concrete structures have been widely used, for rc structures can make the best use of both concrete and steel bars.
钢筋混凝土结构由于其结合了钢筋与混凝土的优点，是土木工程结构设计中的首选形式，应用非常广泛。
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