The stress under different working modes is the key to the safe problem when erecting long span prestressed concrete box beam.
大型预制预应力混凝土箱梁架设中不同工况下的梁体应力满足设计要求是箱梁安全架设的关键。
The stress under different working modes is the key to the safe problem when erecting long span prestressed concrete box beam.
大型预制预应力混凝土箱梁架设中不同工况下的梁体应力满足设计要求是箱梁安全架设的关键。
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