本文还给出了钢纤维混凝土节点开裂强度的简化计算公式，计算结果与试验结果吻合良好。
A simplified cracking strength formula for steel fiber reinforced concrete joint has been presented, and the calculation results are in good agreement with the test results.
在计算节点强度的塑性铰线模型的基础上，建立了不等宽t型方管节点在支杆轴压荷载作用下的刚度模型，推出了刚度简化计算公式。
From a yield line model used for calculating RHS-joint strength, a stiffness model is developed for a stepped T-type RHS joint, and a stiffness formulas is established.
最后，提出粘结强度的简化计算公式和粘结应力-相对滑移关系的简化模型。
Finally, the simplified formulas for the bond strength and the simplified model for bond stress versus relative slip relationship are suggested based on the analysis of the test results.
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