...部分预应力混凝土梁；裂缝宽度；疲劳黏结应力-滑移关系；钢筋应力；模型[gap=1740]Key words: partially prestressed concrete beams; crack width; fatigue bond stress-slip relationship; steel stress; model..
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unbonded partially prestressed concrete beams 无粘结部分预应力混凝土梁
partially prestressed concrete continuous beams 部分预应力混凝土连续梁
The effects of repeated loading on the fatigue shear strength of partially prestressed concrete beams are studied.
本文探讨重复荷载对部分预应力混凝土梁疲劳抗剪强度的影响。
The study was both experimental and analytical. 22 partially prestressed concrete beams with unbonded tendons and 4 with bonded tendons were tested.
试验研究了22根无粘结和4根有粘结部分预应力梁在三分点荷载作用下的抗弯性能。
Test results show that th'e additional nonprestressed reinforcement significantly affects the crack widths of unbonded partially prestressed concrete beams.
试验表明，在无粘结预应力砼梁中配置普通有粘结筋对梁在开裂后的裂缝分布有重要影响。
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