...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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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 effects of repeated loading on the fatigue shear strength of partially prestressed concrete beams are studied.
部分预应力混凝土梁中的非预应力钢筋在反复运行荷载作用下承受交变应力。
The non—prestressed steel bars in ppc beams endure alternate stress under the repeated service loading.
在试验和理论分析的墓础上，提出了无粘结部分预应力混凝土梁裂缝宽度的计算方法。
According to the test results and theoretical analyses, a method of calculating the crack width of unbonded partially prestressed concrete beams is presented.
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