Research on law of stress increment of unbonded tendons in continuous prestressed concrete beam and slab;
比较了有粘结与无粘结力筋两种预应力混凝土结构的优缺点。
According to pretensioned prestressing concrete beam and slab construction in one express highway the master operations and controlling measures in the production are introduced.
结合某高速公路先张法预应力空心梁板的现场施工，介绍了在预应力先张法梁板生产过程中的主要工序及其控制方法。
According to the actual state of the supervision engineering, the characteristics of the crack on the concrete beam and slab was discussed by analyzing the nature attributes of the crack.
本文从混凝土梁板表面裂缝的自然属性切入，根据监理工程的实际状况论述裂缝的特征。
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