摘要
实验观察了锚固钢筋的咬合机理,并由应力状态分析和多轴强度的Ottosen准则推导了特征粘结锚固强度。建立了粘结锚固应力—滑移(τ—S)曲线并给出了相应的位置函数,从而确定了粘结锚固本构关系。在此基础上,利用数值叠代方法和递推计算,实现了计算机模拟试验。
The interlocking mechanism between bar and concrete was studied experimentally. By means of the Ottosen criteria of triaxial compressive strength of concrete and the stress state analysis, the varied characteristic strength of bond-anchorage has been derived. The stress-slip (τ-s) curve of bond-anchorage with a position fuction modifying the curve has been presented and the bond-anchorage constitutive relationship has been eastablished. Based on the above-mentioned results, by using interactive method and recursive calculation, a computer simulation test has been developed finally.
出处
《建筑科学》
1992年第4期18-24,30,共8页
Building Science
