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A platform for research: civil engineering, architecture and urbanism
Joint design method for lateral force resisting system of self-resetting steel frame
The invention discloses a node design method of a self-resetting steel frame lateral force resisting system, and relates to the technical field of civil engineering earthquake resistance, and the node design method comprises the following steps: determining the basic size and performance parameters of a steel frame; determining a node design load; determining a performance target of the node; determining an inter-layer displacement angle limit value and calculating an inter-layer lateral displacement limit value; calculating the rotational stiffness of a column-column joint and a column base joint; calculating a corner displacement limit value of a beam column node and a column base node; designing the section size of the energy dissipation steel plate; calculating a column bottom allowable bending moment and a beam-column joint allowable bending moment; calculating the axial force of the anchor rod; calculating the axial force of the beam column and the local pressure of each flange when the column bottom reaches a corner displacement limit value; carrying out strength checking calculation, stability checking calculation and local pressure-bearing checking calculation; and checking the self-resetting capability. According to the method, on the basis that the small earthquake requirement is met, checking calculation of the bearing capacity, the stability and the like under the large earthquake effect is carried out, the calculation method is simple and feasible, it can be ensured that an accurate result is obtained, and the good application and popularization value is achieved.
本发明公开了一种自复位钢框架抗侧力体系的节点设计方法，涉及土木工程抗震技术领域，包括以下步骤：确定钢框架的基本尺寸及性能参数；确定节点设计荷载；确定节点的性能目标；确定层间位移角限值并计算层间侧移限值；计算柱梁柱节点和柱脚节点的转动刚度；计算梁柱节点与柱脚节点转角位移限值；设计消能钢板的截面尺寸；计算柱底容许弯矩及梁柱节点容许弯矩；计算锚杆轴力；计算柱底达到转角位移限值时梁柱轴力及各翼缘局部压力；进行强度验算、稳定性验算和局部承压验算；自复位能力验算。本发明提供在满足小震要求的基础上，进行大震作用下的承载力，稳定性等验算，计算方法简单可行，可确保得出较为准确的结果，具有很好的推广应用价值。
Joint design method for lateral force resisting system of self-resetting steel frame
The invention discloses a node design method of a self-resetting steel frame lateral force resisting system, and relates to the technical field of civil engineering earthquake resistance, and the node design method comprises the following steps: determining the basic size and performance parameters of a steel frame; determining a node design load; determining a performance target of the node; determining an inter-layer displacement angle limit value and calculating an inter-layer lateral displacement limit value; calculating the rotational stiffness of a column-column joint and a column base joint; calculating a corner displacement limit value of a beam column node and a column base node; designing the section size of the energy dissipation steel plate; calculating a column bottom allowable bending moment and a beam-column joint allowable bending moment; calculating the axial force of the anchor rod; calculating the axial force of the beam column and the local pressure of each flange when the column bottom reaches a corner displacement limit value; carrying out strength checking calculation, stability checking calculation and local pressure-bearing checking calculation; and checking the self-resetting capability. According to the method, on the basis that the small earthquake requirement is met, checking calculation of the bearing capacity, the stability and the like under the large earthquake effect is carried out, the calculation method is simple and feasible, it can be ensured that an accurate result is obtained, and the good application and popularization value is achieved.
本发明公开了一种自复位钢框架抗侧力体系的节点设计方法，涉及土木工程抗震技术领域，包括以下步骤：确定钢框架的基本尺寸及性能参数；确定节点设计荷载；确定节点的性能目标；确定层间位移角限值并计算层间侧移限值；计算柱梁柱节点和柱脚节点的转动刚度；计算梁柱节点与柱脚节点转角位移限值；设计消能钢板的截面尺寸；计算柱底容许弯矩及梁柱节点容许弯矩；计算锚杆轴力；计算柱底达到转角位移限值时梁柱轴力及各翼缘局部压力；进行强度验算、稳定性验算和局部承压验算；自复位能力验算。本发明提供在满足小震要求的基础上，进行大震作用下的承载力，稳定性等验算，计算方法简单可行，可确保得出较为准确的结果，具有很好的推广应用价值。
Joint design method for lateral force resisting system of self-resetting steel frame
一种自复位钢框架抗侧力体系的节点设计方法
CHEN YUN (author) / ZHOU BICHENG (author) / ZHANG HAILIANG (author) / WANG BAOPING (author) / ZHANG FENGCHAO (author) / XIONG HUABING (author) / YANG DONGLEI (author) / LEI LONGGANG (author)
2023-09-01
Patent
Electronic Resource
Chinese
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