【摘要】：隨著我國經(jīng)濟的蓬勃發(fā)展，重大工程項目的建設日益增多，結(jié)構(gòu)形式也越來越多樣化，其中包括高聳結(jié)構(gòu)、大跨結(jié)構(gòu)、超高層結(jié)構(gòu)、大型復雜結(jié)構(gòu)等。目前，設計和施工人員對大型復雜結(jié)構(gòu)的施工技術(shù)及在施工過程中表現(xiàn)出的諸多力學問題已經(jīng)越來越重視。工程規(guī)模的擴大化、結(jié)構(gòu)體系的復雜化也對結(jié)構(gòu)的施工控制提出了更高的要求，然而傳統(tǒng)的施工控制方法已經(jīng)不能很好的滿足大型復雜結(jié)構(gòu)施工建造的現(xiàn)實需求。應用施工過程仿真分析技術(shù)開展施工方案比選和結(jié)構(gòu)線型控制研究是實現(xiàn)大型復雜結(jié)構(gòu)施工控制的重要手段，對研究大型復雜結(jié)構(gòu)的施工問題具有重大意義。 廣東興業(yè)倉儲科研主樓這一大型復雜結(jié)構(gòu)，造型獨特，建筑立面為立放的巨型玉璧，結(jié)構(gòu)形式新穎，將大懸挑結(jié)構(gòu)、鋼框架結(jié)構(gòu)、空間大跨度結(jié)構(gòu)、桁架結(jié)構(gòu)融為一體。其結(jié)構(gòu)組成包含：核心筒、外斜撐框架、內(nèi)鋼框架、轉(zhuǎn)換桁架、外伸剛臂和組合樓板。該結(jié)構(gòu)的施工工序復雜、施工技術(shù)難點多，節(jié)點和構(gòu)件的空間定位、制作安裝精度要求高，結(jié)構(gòu)施工控制難度大。 本文基于“廣東興業(yè)倉儲科研主樓”這一工程背景，介紹了大型復雜結(jié)構(gòu)施工控制研究的技術(shù)基礎——“施工過程仿真分析方法”的基本原理與實現(xiàn)步驟。為解決施工控制中的“安全控制、造價控制、工期控制、環(huán)境保護控制及結(jié)構(gòu)線型控制”問題，本文開展了基于仿真分析技術(shù)的施工方案比選與結(jié)構(gòu)線型控制研究。通過理論分析數(shù)據(jù)和現(xiàn)場實測數(shù)據(jù)的對比，檢驗了施工過程是否達到“安全控制”與“結(jié)構(gòu)線型控制”目標。 本文的主要工作和結(jié)論包括： (1)總結(jié)了國內(nèi)外大型復雜結(jié)構(gòu)施工控制研究的進展。針對工程實際，介紹了興業(yè)倉儲科研主樓的結(jié)構(gòu)體系組成特點，提出了施工中亟需解決的主要問題。 (2)總結(jié)了施工過程仿真分析的基本原理與大型復雜結(jié)構(gòu)進行施工過程仿真分析的必要性。概括了施工過程仿真分析方法在通用有限元軟件Midas/gen中的實現(xiàn)方法。廣東興業(yè)倉儲科研主樓有限元模型的建立、施工階段荷載的定義和施工階段的劃分，為后續(xù)開展施工方案比選和結(jié)構(gòu)線型控制工作奠定了基礎。 (3)基于施工過程仿真分析技術(shù)，為實現(xiàn)結(jié)構(gòu)施工的“安全控制、造價控制、工期控制和環(huán)境保護控制”，對興業(yè)倉儲科研主樓不同施工方案的“安全可行、經(jīng)濟合理、節(jié)省工期、保護環(huán)境”四個指標進行了對比分析，比選出了綜合效益高的施工方案。具體對比分析了大懸挑子結(jié)構(gòu)、平面桁架子結(jié)構(gòu)、大跨度轉(zhuǎn)換桁架子結(jié)構(gòu)、核心筒較外框架提前施工層數(shù)、伸臂桁架固結(jié)順序、樓板澆筑順序和后澆帶設置的不同施工方案。 (4)基于施工過程仿真分析技術(shù)，為實現(xiàn)結(jié)構(gòu)施工的“結(jié)構(gòu)線型控制”，對興業(yè)倉儲科研主樓不同子結(jié)構(gòu)的“關(guān)鍵節(jié)點位移變化歷程”進行了分析，提出了施工過程中結(jié)構(gòu)線型控制的預拋（預偏）值和控制措施。具體分析了外環(huán)和內(nèi)環(huán)大圓子結(jié)構(gòu)、大懸挑子結(jié)構(gòu)、平面桁架子結(jié)構(gòu)、大跨度轉(zhuǎn)換桁架子結(jié)構(gòu)。 (5)從施工監(jiān)測的目的、方法、內(nèi)容三個方面介紹了廣東興業(yè)倉儲科研主樓的監(jiān)測工作。對各施工階段結(jié)構(gòu)的關(guān)鍵節(jié)點和構(gòu)件的位移（沉降）、應力進行了跟蹤監(jiān)測，并對相關(guān)測量數(shù)據(jù)及誤差進行了處理�，F(xiàn)場監(jiān)測數(shù)據(jù)和仿真分析數(shù)據(jù)的對比分析表明，施工過程仿真分析是合理的，比選后的結(jié)構(gòu)施工方案能夠?qū)崿F(xiàn)安全控制的目標，，結(jié)構(gòu)的竣工線型能夠?qū)崿F(xiàn)標準圓的線型控制目標。
[Abstract]:With the vigorous development of our country's economy, the construction of the major engineering projects has become more and more diverse, including the high-rise structure, the large-span structure, the super-high-rise structure, the large complex structure and so on. At present, the design and construction personnel have paid more and more attention to the construction technology of the large complex structure and the many mechanical problems that have been shown in the construction process. The expansion of the scale of the project and the complication of the structural system have raised higher requirements for the construction control of the structure. However, the traditional construction control method can not meet the realistic demand of the construction of the large complex structure. It is of great significance to study the construction of large complex structure by using the construction process simulation and analysis technology to carry out the selection of construction scheme and structure line control. The large-scale complex structure of the main building of the storage and scientific research of Xingye in Guangdong is unique in shape, and the building facade is a giant jade wall which is vertically arranged, the structure is novel, the large-cantilever structure, the steel frame structure, the space large-span structure and the frame structure are fused to The structure comprises a core barrel, an outer inclined support frame, an inner steel frame, a conversion rotating frame, an outward extending rigid arm and a combination, The construction process of the structure is complicated, the construction technology is difficult, the space of the nodes and the components is positioned, the manufacturing and installation precision is high, and the structural construction control is difficult Based on the "Guangdong Xingye storage and scientific research main building" of this project, this paper introduces the basic principle of the technology base _ "Simulation and analysis method for construction process" for large-scale complex structure construction control research. In order to solve the "Safety control, cost control, construction period control, environmental protection control and structural line control" problem in the construction control, the construction scheme selection and construction line based on the simulation analysis technology are carried out in this paper. Based on the comparison of the theoretical analysis data and the on-site measured data, it is verified whether the construction process has reached the "safety control" and the "construction line control" target. The master of this article The work and conclusions are as follows: (1) It is a summary of the large and complex problems at home and abroad In view of the actual situation of the project, the structural system composition of the main building of the storage and scientific research of Xingye is introduced, and the application of the construction system is put forward. (2) The basic principle and the large complex structure of the simulation and analysis of the construction process are summarized. The necessity of the simulation and analysis of the construction process is carried out. The simulation analysis method of the construction process is summarized in the general finite element software M The realization method in idas/ gen. The establishment of the finite element model of the main building of the storage and scientific research main building of Xingye, Guangdong, the definition of the load at the construction stage and the division of the construction stage, and the comparison and selection of the subsequent construction scheme and based on the simulation and analysis technology of the construction process, the "It is safe and feasible, the economy is reasonable, the construction period is saved, the environment is protected," of the "Safety control, cost control, construction period control and environmental protection control" of different construction schemes of the building and scientific research main building is compared According to the analysis, the construction scheme with high comprehensive benefit is selected, the large-cantilever sub-structure, the flat-span frame sub-structure, the large-span switching frame-frame sub-structure, the outer frame of the core barrel and the outer frame of the outer frame are compared and analyzed in advance, the number of layers, the consolidation sequence of the extension arm and the support frame, the floor slab, (4) Based on the simulation and analysis technology of the construction process, to realize the safe and feasible construction of the structure, the economy is reasonable, the construction period is saved, the environment is protected, and the structure line control of the different sub-structures of the building and scientific research main building is analyzed, and the construction process is put forward. In this paper, the pre-polishing (pre-bias) value and control measures of the linear control of the medium structure are analyzed. The large-circle sub-structure of the outer ring and the inner ring and the large-cantilever sub-junction are analyzed. The sub-structure of the frame, the flat-span frame and the large-span switch-frame structure. (5) The purpose, the method, the inside and the outside of the construction monitoring, The paper introduces the monitoring of the main building of the storage and research of Xingye in Guangdong, and the displacement (settlement) and the stress of the key nodes and components in the construction stage. The tracking and monitoring are carried out, and the related measurement data and the error are processed. The comparison of the on-site monitoring data and the simulation analysis data shows that the simulation and analysis of the construction process is reasonable, which can achieve the purpose of safety control compared with the selected construction scheme.
【學位授予單位】：華南理工大學
【學位級別】：碩士
【學位授予年份】：2013
【分類號】：TU765

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