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对预应力混凝土空心板旧桥板梁的受压区和受拉区采用了不同的加固方案,并对加固后的空心板梁进行了荷载破坏试验,对旧桥加固方案提供了试验依据。
Different reinforcement schemes are adopted for the compression zone and the tension zone of the prestressed concrete hollow slab beam and the load failure test is conducted on the strengthened hollow slab beam. The experimental evidence is provided for the reinforcement scheme of the old bridge.