随着桥梁设计、施工技术和预应力混凝土技术的飞速发展，悬臂施工的工艺越来越成熟。

With the rapid development of the bridge design, technology and prestressed concrete technology, the cantilever construction process is more and more mature.

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这类桥梁在设计计算过程中均是按照全预应力混凝土结构进行设计的，施工和运营中任何截面混凝土拉应力均不允许超过允许应力值。

Bridges of this kind are designed according to fully prestressed concrete theory, and tensile stress is allowed to exceed allowable stress during construction and service.

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预应力混凝土连续箱梁的悬臂施工作为大跨径桥梁的主要建设方式日渐成熟，但此类桥梁设计、施工中仍然存在着某些关键问题其处理方式比较含糊。

Now cantilever construction of prestressed concrete continuous box girder as the chief construct methord in engineering has gone intio the rang of mature.

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