發(fā)布時間：2018-03-18 06:03

  本文選題：機械化施工　切入點：機群作業(yè)模式　出處：《重慶交通大學》2014年碩士論文　論文類型：學位論文

【摘要】：隨著我國交通建設事業(yè)的不斷的發(fā)展，公路隧道建設也逐漸發(fā)生著變化，其建設方式迫切需要向機械化施工模式轉變。近年來隨著對隧道機械化施工技術的深入研究，已開始推出了一些新設備和新工藝。 在我國，機械化施工中的機械產(chǎn)品研發(fā)、技術理論創(chuàng)新、設備應用等方面還處于初級階段，對隧道機械性能配置和新產(chǎn)品、新技術的研究并不深入。為促進新設備的使用、新工藝的研究和推廣，提高隧道建設機械化水平，有必要對新設備的作業(yè)模式、隧道機械的性能配置和施工工藝進行深入研究。 本論文針對這一問題，以國內(nèi)某山嶺公路隧道建設工程為試驗對象，對以采用電腦鑿巖臺車和大型濕噴機組為基礎的隧道機群施工作業(yè)模式、機群施工系統(tǒng)特性、機械性能配置等方面展開探索和研究。 以目前常用的隧道新奧法施工技術和施工機械為基礎，確定了公路隧道洞身開挖與支護機械化施工工藝過程。根據(jù)隧道設備選型原則和施工技術要求，對機械選型方法和影響因素進行了分析；結合隧道施工中常用主要機械的結構特點和使用性能，提出了以電腦鑿巖臺車和濕噴機為主要施工機械的單機施工作業(yè)模式。對隧道洞身開挖與支護機群施工系統(tǒng)進行劃分，經(jīng)分析得出存在包容制約關系的各施工子系統(tǒng)之間互相影響。 通過對施工現(xiàn)場的數(shù)據(jù)統(tǒng)計分析，運用數(shù)理統(tǒng)計和隨機服務理論對單機作業(yè)特性和機群施工系統(tǒng)工作特性進行研究，發(fā)現(xiàn)各單機作業(yè)特性分別符合特定的某種概率分布，并可以分析各機群施工子系統(tǒng)的運行狀態(tài)。 根據(jù)隧道洞身開挖與支護機群施工過程和機械化作業(yè)模式中的主要影響控制因素，建立了以施工系統(tǒng)運行狀態(tài)、機械效率、進度、質(zhì)量和成本作為評價機群作業(yè)模式指標的評價體系。通過對隧道洞身開挖與支護施工機群組成和機群施工配置原則的分析，得出了機群施工靜態(tài)配置和動態(tài)配置方法，，靜態(tài)配置主要是施工機械的初始配置，動態(tài)配置是用于指導隧道施工技術、環(huán)境條件發(fā)生變化時機械配置的動態(tài)調(diào)整。進而可以以機群配置方法來指導隧道機械化施工作業(yè)。
[Abstract]:With the continuous development of traffic construction in our country, highway tunnel construction is gradually changing, and its construction mode needs to be changed to mechanized construction mode urgently. In recent years, with the in-depth study of tunnel mechanized construction technology, Some new equipment and new processes have been introduced. In China, the research and development of mechanical products in mechanized construction, the innovation of technology theory, the application of equipment and so on are still in the initial stage. The research on the mechanical performance configuration and new products of tunnel is not deep in depth. In order to promote the use of new equipment, In order to improve the mechanization level of tunnel construction, it is necessary to study the operation mode of new equipment, the performance configuration of tunnel machinery and the construction technology. Aiming at this problem, taking a mountain highway tunnel construction project in China as the experimental object, this paper analyzes the construction mode of tunnel machinery group based on computer drilling platform and large wet jet unit, and the characteristics of the construction system of the tunnel cluster. Mechanical performance configuration and other aspects of exploration and research. Based on the construction technology and construction machinery commonly used at present, this paper determines the mechanized construction process of tunnel excavation and support, according to the principles of tunnel equipment selection and construction technology requirements. The methods and influencing factors of mechanical selection are analyzed, and the structural characteristics and performance of the main machinery commonly used in tunnel construction are analyzed. This paper puts forward a single machine construction mode, which takes computer drilling rig and wet jet machine as the main construction machinery. The construction system of tunnel excavation and support machinery group is divided. Through analysis, it is concluded that each construction subsystem with containment and restriction relationship affects each other. Based on the statistical analysis of the data of the construction site, the characteristics of the single machine and the construction system of the cluster are studied by using mathematical statistics and random service theory. It is found that the characteristics of the single machine accord with a certain probability distribution respectively. The operation state of construction subsystem of each cluster can be analyzed. According to the main control factors in the construction process of tunnel excavation and support machinery group and the mechanized operation mode, the operating state, mechanical efficiency and progress of the construction system are established. Quality and cost are the evaluation system for evaluating the operation mode of the cluster. Through the analysis of the composition of the construction machinery group and the construction configuration principle of the tunnel tunnel excavation and support, the static and dynamic configuration methods for the construction of the cluster are obtained. The static configuration is mainly the initial configuration of the construction machinery, the dynamic configuration is used to guide the tunnel construction technology, and the dynamic adjustment of the mechanical configuration can be used to guide the tunnel mechanized construction operation with the cluster configuration method.
【學位授予單位】：重慶交通大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：U455.3

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