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  本文選題：交通工程項目　切入點：模糊綜合優(yōu)化　出處：《石家莊鐵道大學》2013年碩士論文　論文類型：學位論文

【摘要】：交通工程項目建設(shè)施工是一項復雜的系統(tǒng)工程,其內(nèi)部各組成部分之間相互聯(lián)系又相互制約,關(guān)系錯綜復雜。其施工方案的優(yōu)劣直接影響到項目的質(zhì)量、安全、環(huán)境、進度、成本等目標的實現(xiàn),工程項目施工方案在工程施工中占有重要地位。對交通工程施工方案的優(yōu)選涉及面廣,是一個包含有定性和定量指標的多因素和多目標的復雜系統(tǒng)的決策問題。針對具體的交通工程項目的特點,建立科學的施工方案優(yōu)選決策模型,從眾多可行的施工方案中選擇適合工程項目的最優(yōu)施工方案,具有重要的理論研究和實際應用價值。 本文的主要關(guān)鍵技術(shù)是網(wǎng)絡計劃技術(shù)與虛擬技術(shù)、模糊綜合優(yōu)化、遺傳算法的求解在交通工程建設(shè)施工方案比選的綜合運用,根據(jù)交通工程施工方案的特點,采用定性和定量相結(jié)合的指標,利用多目標決策方法來進行方案優(yōu)選的決策,建立了基于工期-成本-質(zhì)量-安全-環(huán)保的模糊群決策模型；將施工網(wǎng)絡計劃技術(shù)、模糊綜合優(yōu)化和遺傳算法的方法理論應用到交通工程建設(shè)項目施工方案比選優(yōu)化中,以排梁埡隧道為例,考慮施工工期、成本、質(zhì)量、安全、環(huán)保指標五個施工重要目標,定義模糊多屬性優(yōu)屬度,并利用直覺模糊集進行評價,建立綜合工期-成本-質(zhì)量-安全-環(huán)保的模糊優(yōu)化群決策模型,并用遺傳算法進行求解,得出最滿意作業(yè)模式組合下,從而對排梁埡隧道的施工方案進行決策。最后應用虛擬可視化仿真技術(shù),對排梁埡隧道施工的重點工序進行虛擬可視化仿真研究,可以得到合理可行的施工方案,為施工方案的優(yōu)選提供了依據(jù),實現(xiàn)了工期、質(zhì)量、成本、安全、環(huán)保等目標的均衡優(yōu)化,有效提高了工程項目的經(jīng)濟效益和社會效益。
[Abstract]:The construction and construction of traffic engineering project is a complex system engineering, and its internal components are interrelated and restrict each other, and the relationship is complicated. The quality, safety, environment and progress of the project are directly affected by the merits and demerits of the construction scheme. With the realization of cost and other objectives, the construction scheme of engineering project plays an important role in the construction of the project, and the optimal selection of the construction scheme of traffic engineering involves a wide range of aspects. It is a decision problem of a complex system with qualitative and quantitative indexes. According to the characteristics of specific traffic engineering projects, a scientific decision model for optimal selection of construction schemes is established. It has important theoretical research and practical application value to choose the optimal construction scheme from many feasible construction schemes. The main key technologies of this paper are network planning technology and virtual technology, fuzzy comprehensive optimization, and the comprehensive application of genetic algorithm in the comparison and selection of construction schemes for traffic engineering construction, according to the characteristics of traffic engineering construction schemes. The fuzzy group decision model based on time limit, cost, quality, safety and environmental protection is established by using qualitative and quantitative indexes and multi-objective decision making method. Fuzzy comprehensive optimization and genetic algorithm method theory are applied to the comparison and optimization of construction schemes of traffic engineering construction projects. Taking Pailiangya Tunnel as an example, five important construction objectives are considered, such as construction period, cost, quality, safety and environmental protection index. The fuzzy multi-attribute optimal degree is defined and evaluated by intuitionistic fuzzy set, and a fuzzy optimization group decision model is established, which integrates duration, cost, quality, safety and environmental protection, and is solved by genetic algorithm. Finally, the virtual visual simulation technology is used to study the key construction process of Pailiangya tunnel, and the reasonable and feasible construction scheme can be obtained. It provides the basis for the optimal selection of the construction scheme, realizes the balanced optimization of the objectives of time limit, quality, cost, safety and environmental protection, and effectively improves the economic and social benefits of the project.
【學位授予單位】：石家莊鐵道大學
【學位級別】：碩士
【學位授予年份】：2013
【分類號】：F426.92;TP18

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本文編號：1591645