[Tool][软件][Update] PPPSP V2020: Pushover Performance Point Solution Program [Pushover 分析性能点求解程序][Based on FEMA 440]

坚持实干、坚持实践、坚持积累、坚持思考,坚持创新。


7月拖到现在11月,终于可以更新了......

  • 程序图标 ( Program Icon )

      

  • 程序介绍 ( Program Introduction)

基于FEMA 440等效线性化法 Pushover分析方法 的性能点求解程序。( A program for the Solution of Pushover Performance Point based on FEMA 440 Equivalent Linearization Method. )

旧版软件:[Tool][软件][性能设计] PPPSP v2017: Pushover Performance Point Solution Program [Pushover 分析性能点求解程序][Based on FEMA 440]

在小伙伴的建议下,主要进行了以下更新:

(1)增加了导入自定义能力谱的功能

(2)增加了导入自定义需求谱的功能

(3)增加了初始刚度T0的评估方法,可通过初始刚度计算,也可通过规范建议的二折线等效法计算

(4)基于FEMA 440 规范,增加了Teff及ßeff的计算方法(可基于规范建议的简化公式计算,也可以基于规范建议的按模型类型 通过确定 A B C D  E F G H I j  k L 参数的方法来计算。)

(5)增加了性能点迭代过程记录与显示功能,程序可以记录性能点迭代过程中各个参数的变化过程,同时显示性能点迭代轨迹。

  • FEMA 440等效线性化方法介绍 ( Introduction of FEMA 440 Equivalent Linearization Method )

FEMA 440等效线性化方法是众多Pushover分析方法中的一种,是ATC-40能力谱法(Capacity-Spectrum Method )的一种改进,其基本原理如下图所示。( Equivalent linearization procedure of FEMA 440  is a modification to the Capacity-Spectrum Method (CSM) of ATC-40. )

When equivalent linearization is used as a part of a nonlinear static procedure that models the nonlinear response of a building with a SDOF oscillator, the objective is to estimate the maximum displacement response of the nonlinear system with an “equivalent” linear system using an effective period, Teff, and effective damping, βeff (see Figure above). The global force-deformation relationship shown in the above figure for a SDOF oscillator in acceleration-displacement response spectrum (ADRS) format is termed a capacity curve. The capacity curve shown in the above figure is developed using the conventional procedures of FEMA 356 or ATC-40. The effective linear parameters are functions of the characteristics of the capacity curve, the corresponding initial period and damping, and the ductility demand, µ

——— from FEMA 440

  • 程序界面 ( Program Interface )

  • 实例 ( Example )

(1) 导入pushover数据, Import Push Over Data

(2)生成能力谱, Generate Capacity Curve

(3)设置需求普参数, Set Demand Curve

(4)求解性能点, Solution of Performance Point

(5)查看性能点迭代路径,Performance Point Iteration Path

  • 迭代动画 ( Iteration Animation)

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  • 注释 ( Comments )

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  • 地震工程、地震波相关的研究博文 ( Related Topics about Earthquake Engineering and Ground Motion )

[01]. [Tool] SPECTR – A program for Response Spectra Analysis [反应谱计算程序]

[02]. [程序][Tool] Ground Motion Selection [强震记录选取]

[03]. [程序][软件]Ground Motion Library [强震记录管理]

[04]. Artificial ground motion generator [人工模拟地震动]

[05]. ATC-63 Ground Motion Record Sets [ATC-63推荐的地震动记录集]

[06]. [Tool][软件]PEER NGA Ground Motion Convertor [PEER地震波数据格式转换器]

[07]. Frequency Analysis of Ground Motion by MATLAB [MATLAB地震动频域分析]

[08]. [Tool] [程序] GB18306-2015《地震动参数区划图》地震动参数计算

[09]. [Tool]水电工程水工建筑物标准设计反应谱计算程序(NB 35047-2015)

[10]. GB18306-2015地震动参数确定步骤与实例

[11]. 设计基本地震加速度与水平地震影响系数最大值

[12]. Tripartite Plot of Response Spectra [三联反应谱的基本概念与绘制]

[13]. Earthquake Response Spectra Analysis by MATLAB [MATLAB地震反应谱分析]

[14]. YJK地震波反应谱分析与地震波选取注意事项

[15]. 地震反应谱的特性(The Characteristics of Earthquake Response Spectrum)

[16]. Basics of Earthquake Response Spectra[地震反应谱的基本概念]

[17]. [Tool]中国规范反应谱生成程序 [Chinese Code’s Design Response Spectrum]

[18]. ETABS 2015人工波功能初步测试(一)

[19]. ETABS 2015人工波功能初步测试(二)

[20]. [Tool]Nonlinear Dynamic Analysis of SDOF system (SDOF系统动力非线性分析)

[21]. Dynamic Analysis of SDOF System by MATLAB [MATLAB单自由度系统动力响应分析]

[22]. 地震波基线是否修正对结构分析结果的影响(一)

[23]. [科研][工具][Research] 反应谱拟合及反应谱特征参数提取工具 [A tool for fitting response spectrum and extracting response spectrum parameters]

[24]. [Software][科研小工具] 力-位移累积耗能计算[Force-Displacement Cumulative Dissipated Energy Calculator ]

[25]. [Tool][更新][Updates] SPECTR (v1.1) – A program for Response Spectra Analysis [SPECTR反应谱计算程序更新]

[26]. GMS Converter: 通用格式转换器 [General Formats Transformer for Earthquake Records]

[27]. [编程][软件] PERFORM-3D 地震波时程转换工具

[28]. [软件][工具][地震][Tool] 结构抗震分析地震动强度指标计算工具 ( A tool for Calculating Earthquake Intensities for Seismic Analysis of Structures)

[29]. [软件][地震动][Tool] 地震动参数计算软件GMP:补充介绍及说明

[30]. [地震工程][科研]地震动能量反应谱 (Earthquake Energy Demand Spectra)

[31]. [地震动][软件][研究][Tool] 反应谱阻尼效应系数Dh计算工具 (A Tool for Calculating Damping Correction Factor of Earthquake Spectrum)

[32]. [减隔震][地震工程][软件][Tool] 软钢·摩擦阻尼器减震结构的性能曲线计算

[33]. [地震工程][科研][软件][Tool] 等延性反应谱计算工具 (Construction of Constant-Ductility Response Spectrum)

[34]. [选波][地震波][Tool] GMS: Ground Motion Selection Program Updates (GMS选波软件更新)

[35]. [选波][地震波] 记录一个实际工程有趣的选波问题

[36]. [PEER][地震波] 关于PEER强震数据库地震波的单位及数据格

[37]. [科研][更新][Update] 地震动参数计算软件(GMP)更新 (支持更多数据导入格式)

[38]. YJK1.7人工波功能测试

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