1) cross-section curvature ductility
截面曲率延性
1.
Based on nonlinear analysis method of complete response process,this paper calculates and analyses the cross-section curvature ductility of RC equi-limb L-shaped,T-shaped and cross-shaped columns with different concrete casing thickness under different load conditions.
采用非线性全过程数值计算方法,计算并分析了不同保护层厚度的L形、T形和十字形钢筋混凝土等肢异形柱在多种工况下的截面曲率延性值,发现了保护层厚度对混凝土等肢异形柱的截面曲率延性有重要的影响,进而提出了不同保护层厚度的混凝土等肢异形柱在各抗震等级下的轴压比限值的调整及其保护层厚度的控制标准的建议。
2) section ductility ratio
截面曲率延性系数
3) sectional curvature
截面曲率
1.
On pinching problem of sectional curvature on minimal submanifolds in a symmetric space;
局部对称黎曼流形中极小子流形的截面曲率的pinching问题
2.
Let Mmbe a compact submanifold with positive sectional curvature of a space form Nn(c).
设Mm是空间形式Nn(c)中具有正截面曲率的紧致子流形,证明了如果n-m≥2,Mm的平均曲率向量关于法联络平行且不为零,则在Mm中不存在稳定积分流,且Mm的同调群消没。
3.
By using an inequality relation between a scalar curvature and the length of the second fundamental form,it is proved that sectional curvatures of a submanifold must be nonnegative (or positive).
利用数量曲率与第二基本形式长度之间的一个不等式关系,证明了其子流形的截面曲率一定非负(或者为正),并将此应用到紧致子流形上,得到一些结果。
5) curvature ductility
曲率延性
1.
Effects of rebar corrosion ratio and concrete degradation ratio on the curvature ductility of beam were analyzed.
研究了受腐蚀钢筋混凝土梁的延性特性,分析了受腐蚀梁截面曲率延性系数随钢筋锈蚀率及混凝土劣化系数的演变规律,推导了钢筋与混凝土间粘结退化时受腐蚀梁截面曲率延性计算模型。
2.
According to the characteristic of shear wall cross section,a type of new piecewise confining stirrup is adopted to improve the curvature ductility of high performance concrete shear wall.
根据剪力墙截面的特点,提出采用分段约束箍筋改善高性能混凝土剪力墙截面的延性,针对剪力墙截面的受力特点和配筋形式,研究了分段约束箍筋对高性能混凝土剪力墙截面延性的影响;提出剪力墙截面屈服曲率和极限曲率的简化计算公式,分析了剪力墙截面相对受压区高度与曲率延性之间的关系,推导了剪力墙截面曲率延性与约束箍筋数量之间的关系。
3.
The influence of steel fiber volume ratio,the range of steel fiber added in the joints and axial compression ratio on the beam sectional curvature ductility and hysteretic curve of the steel fiber reinforced high-strength concrete frame joints are investigated through measuring the load-deflection hysteretic curve on the beam end and the transverse deformation of the beam sections near column.
通过测试钢纤维高强混凝土框架边节点梁端的荷载-变形滞回曲线和梁相关截面的横向变形,研究了钢纤维体积率、掺加范围和轴压比等因素对高强混凝土框架边节点梁截面曲率延性和滞回曲线的影响。
6) φ-sectional curvature
φ-截面曲率
补充资料：截面曲率
截面曲率
sectional curvature
截面曲率汇，犯柱佣目~撅;ee料。o。”曲冲加朋3.a]，亦称截曲率 可微R正仃以nn流形M在一点p沿一个二维平面“的方向(沿在P任M确定“的二重向量的方向)的RIOm.”n曲率(Rlenlannlan cun忍tLu℃). JI .A.C朋opoa撰[补注]
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参考词条