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基于高性能工程结构的体育场馆绿色建造研究与实践

Research and Practice on Green Construction of Stadiums Based on High-performance Engineering Structures

作者:李久林
  • 学号
    2018******
  • 学位
    博士
  • 电子邮箱
    lij******com
  • 答辩日期
    2022.12.03
  • 导师
    聂建国
  • 学科名
    能源与环保
  • 页码
    212
  • 保密级别
    公开
  • 培养单位
    003 土木系
  • 中文关键词
    大型体育场馆,高性能结构,绿色建造,评价指标体系,平行施工
  • 英文关键词
    Large stadiums, High performance structure,Green construction,Evaluation index system,Parallel construction

摘要

为推动体育场馆建设的可持续发展,实现工程建设“安全、质量、功能、工期、成本”五统一,本文以大型体育场馆为研究对象,按照“高性能结构”和“绿色建造”的总体要求,围绕体育场馆的“结构性能评价指标体系与关键技术”和“绿色建造关键技术与管理”开展研究,取得的主要研究成果如下:(1)采用文献调研、专家访谈及理论分析相结合的方式构建了体育场馆结构性能评价指标体系,为我国体育场馆高性能结构的发展奠定了理论基础。提出了评价指标的构建原则,给出了构建流程、方法及各指标权重的确立依据,建议了用钢量等定量化指标。对国家速滑馆屋盖、看台板、看台斜柱结构及整体结构开展了系统评价研究,比选得到最优结构方案。(2)以国家速滑馆看台结构为例,提出看台高性能组合结构体系。针对其斜柱-环梁系统和首层外围巨柱-环梁-悬挑梁系统,提出优化的钢管混凝土柱和钢-混凝土组合梁构件形式,同时给出了关键复杂节点的优化构造方案。基于结构整体计算分析和关键构件的精细有限元数值模拟,论证了优化结构体系的安全性和受力性能优势。最后从全寿命周期角度对比研究了优化方案在工期效率、安全保障、质量控制、环保节能、回收价值等方面的优势。(3)基于国家体育场和国家速滑馆绿色建造案例,从屋盖结构、看台结构、围护结构和体育工艺结构四个方面系统研发了体育场馆绿色建造技术,包括高强高性能材料应用、大跨度钢结构和索网结构安装、矩形钢管永久模板混凝土斜(扭)柱、预制看台板高精度制作安装、看台高耐久性混凝土、柔性单元式屋面围护结构安装、膜结构安装、冰板混凝土抗裂、制冰排管形态高精度检测、地坪超高精度连续标高面快速测量等。(4)针对体育场馆项目自身特点,提出基于技术负责人制的PPP模式,结合国家速滑馆案例论证了本模式在绿色建造及其关键决策方面的优势;针对工期紧张的难点,提出了体育场馆平行施工方法,包括全过程统一BIM模型、建造全过程高精度仿真技术、基于模拟分析的高精度安装技术、动态高精度测控技术、施工偏差调整技术等系列关键保障技术。本论文获得国家重点研发计划项目(编号:2019YFF0301500)、住建部研发项目(K20210032)以及北京学者计划资助。

In order to promote the sustainable development of stadium construction and achieve the unification of the five requirements - "safety, quality, function, construction period and cost", this thesis takes the large stadiums as the research object and investigates their " structural performance evaluation index system and key technology" and "green construction key technology and management", based on the two general requirements - "high performance structure" and "green construction". The main research results are as follows: (1) The evaluation index system for structural performance of stadiums is established by the combination of literature research, expert interviews and mathematical analysis methods, which lays a theoretical foundation for the development of high-performance structures of stadiums in China. The principle, process and method for developing the evaluation indexes is put forward, as well as the basis for the weight of each index. Quantitative index such as steel consumption are also given. A systematic evaluation study is carried out on the roof structure, grandstand slab, grandstand inclined colum structure, and the whole structural system of the National Speed Skating Oval, to compare and propose the optimal structural scheme.(2) Taking the stand structure of the National Speed Skating Oval as an example, a high-performance composite structure system is proposed. For the inclined column-ring beam system and the outer giant column-ring beam-cantilever beam system on the first floor, the CFST column and the steel-concrete composite beam are proposed as the optimized component forms. In addition, the optimized structural scheme of the complex joints is proposed. Based on the overall calculation analysis of the structure and the fine finite element numerical simulation of key components, the safety and mechanical performance advantages of the optimized structural system are demonstrated. Finally, the advantages in terms of construction efficiency, safety assurance, quality control, environmental protection, energy saving, and recycling value are studied from the perspective of the whole life cycle.(3) Based on the green construction cases of the National Stadium and the National Speed Skating Oval, the green construction technology of the stadium is systematically developed from four aspects: roof structure, grandstand structure, enclosure structure and sports craft structure, including the application of high-strength and high-performance materials, the installation of large-span steel structure and cable-net structure, the inclined (twisted) column with rectangular steel tube permanent formworks, the high-precision production and installation of prefabricated grandstand plates, the high durability concrete of the grandstand, installation of flexible unit roof enclosure structure, installation of membrane structure, crack resistance of ice slab concrete, high-precision shape detection of ice making pipe array, rapid measurement of ultra-high precision continuous elevation of the floor, etc.(4) According to the characteristics of the stadium project, the PPP model based on the technical leader is proposed. The advantages of this model in green construction and its key decision-making are demonstrated based on the case of the National Speed ?​Skating Oval. The parallel construction method for sports venues is developed to solve the problem of limited construction period, which includes a series of key technologies such as unified BIM model in the whole process, high-precision simulation technology in the whole process of construction, high-precision component installation technology based on simulation and analysis, real-time high-precision measurement and control technology, and adjustment technology of construction deviations.This thesis is supported by the National Key Research and Development Program (No. 2019YFF0301500), the Research and Development Program of the Ministry of Housing and Urban-Rural Development (K20210032) and the Beijing Scholars Program.