摘要 关键词］预应力混凝土管桩;轴心受压承载力;残留预压应力 [gap=1018]Keywords:prestressed concrete piles; axial compression bearing capacity; residual compressive prestress
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Based on the experimental study and elastic-plastic FEM analysis of composite masonry walls, a simplified formular for axial compression bearing capacity is suggested.
在组合墙体试验和弹塑性有限元计算分析的基础上，建议了组合墙体轴心受压极限承载力简化计算公式，公式具有较好的精度，可供设计时参考。
On the condition that same axial compression ratio, bearing capacity and stiffness of RC frame columns increases with concrete strength grade after the construction member achieve yield strength.
相同轴压比条件下，构件达到屈服荷载后，构件的承载力和刚度都随混凝土强度等级的增大而提高。
Then, the calculational method on the bearing capacity of split columns under axial compression is brought up.
最后提出了分体柱轴心受压承载力的简易计算方法。
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