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进行了 5根简支体外预应力钢与混凝土组合梁在竖向荷载下的试验研究。对比分析了普通钢与混凝土组合梁、预应力钢与混凝土组合梁和预应力加固钢与混凝土组合梁的受力性能与破坏形态。
The experimental research on 5 simple supported externally prestressed steel-concrete composite beams under vertical load was carried out. The mechanical properties and failure modes of composite steel-concrete beam, prestressed steel-concrete composite beam and prestressed steel-concrete composite beam are compared and analyzed.