| 无粘结部分预应力混凝土受弯构件短期刚度的试验研究 |
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| 引用本文： | 冯德刚.无粘结部分预应力混凝土受弯构件短期刚度的试验研究[J].东北电力学院学报,1996,16(4):36-43. |
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| 作者姓名： | 冯德刚 |
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| 作者单位： | 东北电业职工大学 |
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| 摘 要： | 对39根有不同的预应力无粘结筋、非预应力有粘结筋和跨高比的混凝土梁进行了试验和研究。分析了影响受弯构件开裂刚度的主要因素，提出了无粘结部分预应力混凝土受弯构件短期刚度的计算公式。经本次试验及其它文献共70根无粘结部分预应力混凝土梁的试验结果验证，该公式计算结果与试验结果吻合良好。文中还对无粘结部分预应力混凝土受弯构件其它弯曲性能进行了研究。
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| 关 键 词： | 无粘结部分 预应力混凝土 受弯构件 短期刚度 试验 |
Experimental Study of Short-Term Stiffness of Bending Members of Cohesionless Pre-stressed Concrete |
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| Feng Degang.Experimental Study of Short-Term Stiffness of Bending Members of Cohesionless Pre-stressed Concrete[J].Journal of Northeast China Institute of Electric Power Engineering,1996,16(4):36-43. |
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| Authors: | Feng Degang |
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| Abstract: | Emperical formulas to calculate short-term stiffness of bending members of cohesionless pre-stressed concrete are suggested in the paper through experimental study of thirty nine pieces of concrete beams.The formulas have been satisfactorily verified with seventy pieces of conrete beams of the same structure. |
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| Keywords: | cohesionless cohesive pre-stress stiffness |
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