基于統(tǒng)計(jì)控制圖的建設(shè)項(xiàng)目掙值管理研究
發(fā)布時(shí)間:2018-05-01 12:39
本文選題:掙值法 + 控制圖 ; 參考:《河北工業(yè)大學(xué)》2015年碩士論文
【摘要】:中國(guó)經(jīng)濟(jì)的高速發(fā)展帶來(lái)了建筑業(yè)市場(chǎng)的興盛繁榮,而施工企業(yè)良好的進(jìn)度和成本控制成為其占領(lǐng)市場(chǎng)的制勝法寶。傳統(tǒng)的掙值管理方法可以對(duì)項(xiàng)目成本和進(jìn)度進(jìn)行監(jiān)控,反映項(xiàng)目的執(zhí)行效果,但是無(wú)法準(zhǔn)確識(shí)別項(xiàng)目實(shí)施過(guò)程中出現(xiàn)的異常變化及偏差的可接受水平,判斷項(xiàng)目是否處于可控范圍內(nèi)。利用統(tǒng)計(jì)過(guò)程控制理論中的控制圖方法可以有效監(jiān)控項(xiàng)目實(shí)施過(guò)程掙值指數(shù)的波動(dòng)情況,監(jiān)測(cè)引起波動(dòng)的偏差是否處于可接受水平,保證項(xiàng)目在穩(wěn)定狀態(tài)下的實(shí)施。本文將統(tǒng)計(jì)過(guò)程控制圖與傳統(tǒng)的掙值管理方法相結(jié)合,通過(guò)對(duì)掙值理論和統(tǒng)計(jì)過(guò)程控制理論等相關(guān)基礎(chǔ)的梳理,選定單值-移動(dòng)極差控制圖(I-MR控制圖)進(jìn)行建設(shè)項(xiàng)目掙值指數(shù)的監(jiān)控,計(jì)算I-MR控制圖的控制界限,并對(duì)獲得的數(shù)據(jù)進(jìn)行正態(tài)性檢驗(yàn),給出非正態(tài)分布的樣本數(shù)據(jù)的正態(tài)性轉(zhuǎn)換方法,提出I-MR控制圖在掙值方法中的實(shí)施步驟以及成本、進(jìn)度偏差的控制方法。最后對(duì)某棚戶區(qū)改造工程進(jìn)行實(shí)例研究,驗(yàn)證基于I-MR控制圖進(jìn)行項(xiàng)目掙值績(jī)效(進(jìn)度績(jī)效指數(shù)SPI和成本績(jī)效指數(shù)CPI)管理的可能性。這種方法能夠?yàn)轫?xiàng)目成本、進(jìn)度提供實(shí)時(shí)監(jiān)控和及時(shí)預(yù)警,改善傳統(tǒng)掙值方法無(wú)法識(shí)別項(xiàng)目實(shí)施過(guò)程中微小變化的缺陷,提高項(xiàng)目掙值指數(shù)的監(jiān)控能力,為項(xiàng)目管理人員及時(shí)提供準(zhǔn)確信息,采取措施使項(xiàng)目維持在穩(wěn)定狀態(tài)內(nèi),保證項(xiàng)目的順利完成。
[Abstract]:The rapid development of Chinese economy has brought about the prosperity of the construction market, and the good progress and cost control of the construction enterprises have become the magic weapon to occupy the market. The traditional earned value management method can monitor the project cost and progress and reflect the effect of the project implementation, but it can not accurately identify the abnormal changes and the acceptable level of deviation in the process of project implementation. Determine whether the item is under control. By using the control chart method in the statistical process control theory, the fluctuation of earned value index in the project implementation process can be effectively monitored, the deviation caused by the fluctuation can be monitored at an acceptable level, and the implementation of the project in a stable state can be ensured. This paper combines the statistical process control chart with the traditional earned value management method and combs the relevant foundation of earned value theory and statistical process control theory. Single value-moving range control chart (I-MR control chart) is selected to monitor the earning value index of construction project, calculate the control limit of I-MR control chart, and test the normality of the obtained data. In this paper, the normality transformation method of non-normal distribution sample data is given, and the implementation steps of I-MR control chart in earned value method as well as the control method of cost and schedule deviation are presented. Finally, a case study of a shantytown renovation project is carried out to verify the possibility of project earning performance (progress performance index SPI and cost performance index SPI) management based on I-MR control chart. This method can provide real-time monitoring and timely warning for project cost and progress, improve the traditional earned value method can not identify the defects of small changes in the implementation of the project, and improve the monitoring ability of project earned value index. Provide timely and accurate information for the project manager, take measures to keep the project in a stable state and ensure the smooth completion of the project.
【學(xué)位授予單位】:河北工業(yè)大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2015
【分類號(hào)】:TU722;TU723.3
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