【摘要】：電網(wǎng)是城市現(xiàn)代化建設(shè)的一項(xiàng)重要基礎(chǔ)設(shè)施,堅(jiān)強(qiáng)的電網(wǎng)為國(guó)民經(jīng)濟(jì)的發(fā)展提供強(qiáng)有力的保障。電網(wǎng)的投資建設(shè)規(guī)模大、覆蓋廣,對(duì)電網(wǎng)建設(shè)進(jìn)行合理規(guī)劃,對(duì)電網(wǎng)的建設(shè)工程項(xiàng)目進(jìn)行有效的管控,將獲得巨大的經(jīng)濟(jì)效益和社會(huì)效益;否則,如果城市電網(wǎng)規(guī)劃不合理、投資建設(shè)控制不到位,將會(huì)給國(guó)家的經(jīng)濟(jì)建設(shè)和人民生活帶來(lái)不可彌補(bǔ)的損失。工程進(jìn)度控制是項(xiàng)目工程施工管理中的重要環(huán)節(jié),對(duì)整個(gè)工程的實(shí)施與質(zhì)量保障有著舉足輕重的作用。項(xiàng)目進(jìn)度作為衡量工程項(xiàng)目管理水平高低的重要經(jīng)濟(jì)指標(biāo)之一,項(xiàng)目能否發(fā)揮其經(jīng)濟(jì)效益,與其是否能在指定的時(shí)間內(nèi)交付使用密切相關(guān),因此做好項(xiàng)目進(jìn)度管理工作十分必要。本論文結(jié)合國(guó)內(nèi)外項(xiàng)目管理研究現(xiàn)狀,在傳統(tǒng)項(xiàng)目施工進(jìn)度控制理論研究的基礎(chǔ)之上,對(duì)配電網(wǎng)架空線路工程施工進(jìn)度管理現(xiàn)狀及問(wèn)題進(jìn)行闡述,從解決管理機(jī)制落后、項(xiàng)目進(jìn)度動(dòng)態(tài)控制和優(yōu)化意識(shí)不高、溝通協(xié)調(diào)不夠等問(wèn)題入手,突出關(guān)鍵鏈項(xiàng)目管理的必要性。本論文以“李營(yíng)110kV配電網(wǎng)架空線路施工項(xiàng)目”為例,基于關(guān)鍵鏈項(xiàng)目管理,在對(duì)工程項(xiàng)目的工程特點(diǎn)、線路路徑、施工方案認(rèn)真分析的基礎(chǔ)上,基于關(guān)鍵鏈理論對(duì)施工項(xiàng)目進(jìn)行WBS分解,確定關(guān)鍵路徑;采用最樂(lè)觀完成時(shí)間的50%概率時(shí)間作為削減安全時(shí)間的工序時(shí)間;分析約束瓶頸,運(yùn)用平行算法優(yōu)先準(zhǔn)則確定工程關(guān)鍵鏈;運(yùn)用彈性系數(shù)法確定緩沖區(qū)大小,最終確定本工程的項(xiàng)目進(jìn)度計(jì)劃。通過(guò)上述關(guān)鍵鏈法,對(duì)其進(jìn)度控制,通過(guò)在緩沖區(qū)設(shè)置綠、黃、紅三色區(qū)間,通過(guò)項(xiàng)目風(fēng)險(xiǎn)預(yù)估、項(xiàng)目多層管理、調(diào)度管理、對(duì)項(xiàng)目管理人員進(jìn)行績(jī)效考核等方式,對(duì)工程項(xiàng)目進(jìn)度進(jìn)行控制。通過(guò)構(gòu)建的控制管理模型,運(yùn)用關(guān)鍵鏈法對(duì)李營(yíng)110 kV配電網(wǎng)架空線路施工項(xiàng)目進(jìn)度進(jìn)行控制,為本工程的順利完工提供保障,證明運(yùn)用關(guān)鍵鏈技術(shù)進(jìn)行項(xiàng)目進(jìn)度控制在理論和實(shí)踐上是可行的,今后可以在其他同類型的工程上推廣應(yīng)用。
[Abstract]:Power grid is an important infrastructure in urban modernization construction. Strong power grid provides a strong guarantee for the development of national economy. The scale of investment and construction of power grid is large and the coverage is wide. It will obtain enormous economic and social benefits to plan the construction of power grid reasonably and to control the construction project of power grid effectively. Otherwise, if the urban power network planning is unreasonable and the investment construction control is not in place, it will bring irreparable losses to the national economic construction and people's life. Project schedule control is an important link in project construction management, which plays an important role in the implementation and quality assurance of the whole project. As one of the important economic indicators to measure the level of project management, whether the project can bring its economic benefits into full play is closely related to whether the project can be delivered within a specified time. Therefore, it is necessary to do the project schedule management well. Based on the research of traditional project construction schedule control theory, this paper expatiates on the current situation and problems of construction schedule management of overhead transmission line project in distribution network, which is backward in solving the problem of management mechanism, combining the current situation of project management research at home and abroad, and on the basis of traditional project construction schedule control theory research. The project progress dynamic control and optimization consciousness is not high, the communication and coordination is not enough, and the necessity of key chain project management is highlighted. This paper takes "Li Ying 110kV distribution network overhead line construction project" as an example, based on the key chain project management, on the basis of careful analysis of the engineering characteristics, route path and construction scheme of the project, the paper takes "Li Ying 110kV distribution network overhead line construction project" as an example, based on the key chain project management. Based on the theory of critical chain, the WBS decomposition of construction project is carried out, and the critical path is determined. The 50% probability time of the most optimistic completion time is used as the working procedure time to reduce the safe time, the constraint bottleneck is analyzed, and the engineering key chain is determined by using the priority criterion of parallel algorithm. The size of buffer zone is determined by elastic coefficient method, and the project schedule is finally determined. Through the key chain method mentioned above, the progress of the project is controlled, by setting green, yellow and red areas in the buffer zone, through the project risk estimation, the project multi-layer management, the scheduling management, the performance appraisal of the project manager, etc. Control the progress of the project. Through the control management model constructed, the progress of the overhead line construction project of Li Ying 110 kV distribution network is controlled by using the key chain method, which provides the guarantee for the successful completion of the project. It is proved that it is feasible to use the key chain technology to control the project schedule in theory and practice, and it can be popularized and applied in other projects of the same type in the future.
【學(xué)位授予單位】：華北電力大學(xué)(北京)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TM752

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