根据构件最大允许转角限值,验证了挠度曲线近似微分方程求解形状函数在抗爆设计中的适用性;采用《Introduction to Structural Dynamics》中荷载和质量传递系数的计算原理,对两端刚接梁在两个集中载荷对称布置、三个集中载荷均匀布置以...根据构件最大允许转角限值,验证了挠度曲线近似微分方程求解形状函数在抗爆设计中的适用性;采用《Introduction to Structural Dynamics》中荷载和质量传递系数的计算原理,对两端刚接梁在两个集中载荷对称布置、三个集中载荷均匀布置以及对称三角形载荷布置三种不同工况的传递系数进行推导分析,并对GB 50779—2012《石油化工控制室抗爆设计规范》附录B中的部分数据进行纠正和补充。展开更多
This paper presents a single-degree-of-freedom(SDOF)constitutive model for assessing the performance of freestanding block contents of buildings.The model incorporates a bespoke damper to account for energy dissipatio...This paper presents a single-degree-of-freedom(SDOF)constitutive model for assessing the performance of freestanding block contents of buildings.The model incorporates a bespoke damper to account for energy dissipation associated with rocking.It is advantageous in its direct correlation,via energy conservation,to the restitution coefficient for impact during rocking.A comparative study with the existing SDOF rocking models shows that the proposed model significantly improves the accuracy of free-rocking simulations,in which inherent damping predominantly affects response.It provides a promising and efficient tool for computationally intensive performance evaluation of nonstructural components.展开更多
文摘根据构件最大允许转角限值,验证了挠度曲线近似微分方程求解形状函数在抗爆设计中的适用性;采用《Introduction to Structural Dynamics》中荷载和质量传递系数的计算原理,对两端刚接梁在两个集中载荷对称布置、三个集中载荷均匀布置以及对称三角形载荷布置三种不同工况的传递系数进行推导分析,并对GB 50779—2012《石油化工控制室抗爆设计规范》附录B中的部分数据进行纠正和补充。
基金Supported by:The Key Program of the CEA Key Laboratory for Earthquake Engineering and Engineering Vibration under Grant No.2019EEEVL0304the Heilongjiang Touyan Innovation Team Program,China。
文摘This paper presents a single-degree-of-freedom(SDOF)constitutive model for assessing the performance of freestanding block contents of buildings.The model incorporates a bespoke damper to account for energy dissipation associated with rocking.It is advantageous in its direct correlation,via energy conservation,to the restitution coefficient for impact during rocking.A comparative study with the existing SDOF rocking models shows that the proposed model significantly improves the accuracy of free-rocking simulations,in which inherent damping predominantly affects response.It provides a promising and efficient tool for computationally intensive performance evaluation of nonstructural components.
