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预应力混凝土T梁锚固区受力分析与验算

Stress analysis and checking calculation of anchorage zone of prestressed concrete T-beam
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摘要 根据《公路钢筋混凝土及预应力混凝土桥涵设计规范》(JTG 3362-2018)新增的后张预应力混凝土锚固区验算规定,对广泛使用的T梁锚固区进行分析和验算,以某30 m预应力混凝土T梁为例验算梁端和三角齿块的截面和配筋。计算结果表明:原有T梁端部锚固区截面配筋满足规范要求,负弯矩区三角齿块锚后牵拉和局部弯曲不满足规范要求,需要增加配筋、改善构造。
作者 王倩 朱自萍 谢玉萌 刘婉玥 WANG Qian;ZHU Zi-ping;XIE Yu-meng;LIU Wan-yue
出处 《工程与建设》 2020年第6期1109-1111,1124,共4页 Engineering and Construction
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