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改善型波形钢腹板PC组合梁抗弯强度试验研究

DOI: 10.3969/j.issn.1006-7043.201306019

Keywords: 组合结构, 波形钢腹板, 剪力连接件, PBL, 改善型波形钢腹板组合梁, 力学性能

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Abstract:

传统的波形钢腹板PC组合梁,在荷载长期作用下,易产生挠度过大的问题,从而影响桥梁安全。为了改善这一情况,提出了一种新型的波形钢腹板PC组合梁――改善型波形钢腹板PC组合梁,并依据传统力学理论,采用实验结合有限元方法,对改善型波形钢腹板PC组合梁的抗弯性能进行研究。研究结果表明:改善型波形钢腹板PC组合梁较传统波形钢腹板PC组合梁具有更大的抗弯极限承载力、更大的抗弯刚度、更好的抗裂性等等,并且能较大程度地改善传统波形钢腹板PC组合梁挠度过大问题。

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