ralio meaning in English

拉利奥

The contents include as follows : the influencing factors of the displacement ductility factor of the unbonded partially prestressed concrete frame structures , such as stirrup reinforcement characteristic value , nominal shear span ratio , axial compression ratio , the appearing order of plastic hinges and partial prestressing ralio ( ppr ) are discussed . the formula of displacement ductility factor of the unbonded partially prestressed concrete frame structures is suggested by regression analysis . with regard to the aseismic design and the request of ductility and energy dissipation , the restriction of the flat - beam / column sectional size and aseismic reinforced design are discussed
本文主要包括以下内容：讨论了配箍特征值、名义剪跨比、轴压比、塑性铰出现顺序、预应力度等因素对无粘结部分预应力混凝土框架位移延性系数的影响，回归了考虑影响因素的位移延性系数计算公式；对无粘结部分预应力混凝土扁梁框架结构，阐述了抗震设计对扁梁、柱截面尺寸的要求与限制；对满足延性和耗能要求的无粘结部分预应力混凝土扁梁控制截面抗震配筋进行了探讨；通过对无粘结部分预应力混凝土扁梁梁端的受力分析，改进了以往扁梁梁端扭矩设计值计算公式。