【正文】
題。本文通過以下幾個方面簡述了當今信息時代電子商務作用日益增進的環(huán)境下企業(yè)如何將自己的人力資源管理融入進去。其次針對企業(yè)的選人,用人,育人,留人四方面進行了電子商務條件下的人力資源管理的策略分析闡述。關鍵詞:電子商務 人力資源管理 EHR 企業(yè)管理Abstract:With the knowledge and information era, a full range of emerce has affected the daily life and the development of enterprises will be incorporated into ebusiness enterprise management system is inevitable choice, and human resources management as the core of enterprise management, the use of electronic Business means to improve human resources management system is the most should pay attention to each paper outlines the following aspects of today39。中文摘要如何選擇合適的工程結構抗震分析和設計方法一直是地震工程領域引人關注的重要問題。本文針對以往Pushover方法的研究中存在的缺點和不足,對Pushover方法進行了改進,主要包括對模態(tài)Pushover方法的改進、對鋼筋混凝土框架結構Pushover位移反應的修正、Pushover荷載模式與結構性態(tài)指標相關性的探討、基于模態(tài)Pushover分析方法確定結構滯回耗能計算四個方面的問題。本文提出將結構的第一振型荷載模式改進為兩階段加載模式,高階振型荷載模式保持固定不變,對結構進行改進的模態(tài)Pushover分析。通過對5個不同高度的鋼筋混凝土框架結構在四類場地上80條地震動作用下的動力和靜力彈塑性位移反應進行統計分析,給出了結構由靜力彈塑性方法得到的目標位移估計動力時程方法得到的目標位移的修正公式。,分別進行了中等硬度場地上15條地震動作用下的非線性動力時程分析和不同荷載模式下的靜力彈塑性分析,求解了結構的幾個重要反應指標,包括能力曲線、頂端位移角及層間位移角、以及塑性鉸分布,探討了不同荷載模式對鋼筋混凝土低層和高層結構反應指標的影響程度,建議了適用于鋼筋混凝土低層和高層結構的Pushover荷載模式。首先采用模態(tài)Pushover分析計算結構各階模態(tài)單自由度體系的特征參數,然后計算結構各階模態(tài)單自由度體系對應的滯回耗能,并將其進行線性組合進而確定結構的滯回耗能,并與結構通過動力時程分析計算得到的滯回耗能進行比較,從而給出一種物理概念簡單、計算操作方便的確定結構滯回耗能的方法。關鍵詞:Pushover方法;能力譜方法;模態(tài)Pushover分析;水平荷載模式;滯回耗能Improvements on Pushover Analysis ProcedureMao JianmengABSTRACTHow to select the adequate procedure for seismic analysis and design of structures is an essential problem in earthquake engineering the development of Performancebased Seismic Design, Pushover Analysis procedure has attracted many scientists’ and engineers’ attentions and been widely used for its conceptual simplicity and putational overe the limitation of Pushover Analysis procedure, some improvements on this procedure were performed in this paper, including the improvement on Modal Pushover Analysis, the revision of target displacement from the pushover analysis for reinforced concrete frame, the correlation of structural response parameters with different lateral load patterns, and the putation of the structural hysteretic energy based on Modal Pushover Analysis main contents of this dissertation are as is an important assumption that the pushover load patterns keep unchanged even after the structure yields in Modal Pushover Analysis the adoption of invariable lateral force distributions in the Modal Pushover Analysis procedure, an improved modal pushover analysis procedure is presented in this paper to estimate the seismic demands