钢筋混凝土桥梁可视化及信息管理研究
发布时间：2018-08-07 15:38
【摘要】：近些年来,随着国家交通基础建设的迅速发展,对于桥梁建设也与日俱增,通过运用桥梁的可视化设计和桥梁信息管理系统可以提高设计、施工和管理的效率。本文的主要研究内容包括了以下几个方面:了解桥梁可视化及桥梁信息管理国内外的发展动态;学习图形学的基本知识、参数化绘图及一些编程知识;分析钢筋混凝土桥梁的结构和构造,确定适合的建模方法。三维实体模型是建立三维可视化信息系统的基础,通过对几何造型及图形处理基本理论和方法的研究,基于构造实体几何法的理论,用ObjectARX工具进行二次开发,实现了三维实体自动建模、图形变换和布尔运算等操作方法。桥梁的上部结构主要有简支梁、连续梁等,梁的截面主要有矩形、T形、箱形等形式,桥梁的下部结构主要有基础、墩身、托盘、顶帽和支撑垫石等结构。通过分析桥梁的上、下部结构构造的特点,用拉伸建模、扫掠、放样、旋转等方法创建桥梁各部分结构的模型。探讨Auto LISP和ObjectARX工具对AutoCAD进行二次开发的方法,在AutoCAD绘图环境下,创建图层,进行颜色、线型、比例、文字样式等设置,建立基本绘图接口,进行二维参数化绘图和立体建模。以箱梁和桥墩为例,进行了二维参数化绘图和三维建模的研究。通过探讨变截面梁沿导向线进行放样建模,以各截面对应顶点的样条曲线为导向线,实现连续箱梁的三维建模。通过绘制墩身上、下两个截面,然后沿高度方向放样建立桥墩模型。最后对桥梁管理信息系统开发进行了研究。通过研究桥梁信息管理系统所需要的可视化模块、运营状态模块、数据分析和维护等模块的组成和功能,初步建立桥梁管理信息系统。本文所研究的钢筋混凝土桥梁可视化及信息管理系统,可给相关管理部门提供了一个可视化的、直观的三维的桥梁信息管理平台。通过桥梁的参数化绘图,可以极大地提高桥梁设计的效率,避免传统绘图时所产生的人为错误。桥梁的可视化为设计方案的比较和选择以及工程量的概预算奠定基础。桥梁的信息管理系统也为桥梁的后期运营、检测、维护提供了必要的保障。
[Abstract]:In recent years, with the rapid development of national transportation infrastructure, the bridge construction is also increasing, through the use of visual bridge design and bridge information management system can improve the efficiency of design, construction and management. The main contents of this paper include the following aspects: understanding the development of bridge visualization and bridge information management at home and abroad, learning the basic knowledge of graphics, parametric drawing and some programming knowledge; The structure and structure of reinforced concrete bridge are analyzed, and the suitable modeling method is determined. The 3D solid model is the foundation of the 3D visualization information system. Through the research of the basic theory and method of geometric modeling and graphics processing, based on the theory of constructing entity geometry method, the secondary development is carried out with ObjectARX tool. Three-dimensional entity automatic modeling, graphic transformation and Boolean operation are realized. The superstructure of the bridge is mainly composed of simply supported beam, continuous beam and so on. The section of the beam is mainly rectangular T shape, box shape and so on. The substructure of the bridge mainly has foundation, pier body, tray, top cap and support cushion stone and so on. Based on the analysis of the characteristics of the upper and lower structure of the bridge, the models of each part of the bridge are created by drawing modeling, sweeping, lofting and rotating. This paper discusses the method of secondary development of AutoCAD by Auto LISP and ObjectARX tools. Under the environment of AutoCAD drawing, creating layer, setting up color, line, proportion and character style, establishing basic drawing interface, carrying out two-dimensional parametric drawing and stereoscopic modeling are discussed. Taking box girder and piers as examples, two-dimensional parametric drawing and three-dimensional modeling are studied. In this paper, the 3D modeling of continuous box girder is realized by using the spline curve of the corresponding vertices of each section as the guide line through discussing the layout modeling of the beam with variable section along the guide line. The pier model is built by drawing the body of the pier, the next two sections, and then lofting along the height direction. Finally, the development of bridge management information system is studied. The bridge management information system is established by studying the components and functions of the visual module, the operation state module, the data analysis and maintenance module, which are needed for the bridge information management system. The visualization and information management system of reinforced concrete bridges studied in this paper can provide a visual and intuitive three-dimensional bridge information management platform for relevant management departments. Through parametric drawing of bridges, the efficiency of bridge design can be greatly improved, and human error caused by traditional drawing can be avoided. The visualization of the bridge lays the foundation for the comparison and selection of the design scheme and the estimate of the engineering quantity. The information management system of the bridge also provides the necessary guarantee for the later operation, detection and maintenance of the bridge.
【学位授予单位】：兰州交通大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：U445
本文编号：2170494
[Abstract]:In recent years, with the rapid development of national transportation infrastructure, the bridge construction is also increasing, through the use of visual bridge design and bridge information management system can improve the efficiency of design, construction and management. The main contents of this paper include the following aspects: understanding the development of bridge visualization and bridge information management at home and abroad, learning the basic knowledge of graphics, parametric drawing and some programming knowledge; The structure and structure of reinforced concrete bridge are analyzed, and the suitable modeling method is determined. The 3D solid model is the foundation of the 3D visualization information system. Through the research of the basic theory and method of geometric modeling and graphics processing, based on the theory of constructing entity geometry method, the secondary development is carried out with ObjectARX tool. Three-dimensional entity automatic modeling, graphic transformation and Boolean operation are realized. The superstructure of the bridge is mainly composed of simply supported beam, continuous beam and so on. The section of the beam is mainly rectangular T shape, box shape and so on. The substructure of the bridge mainly has foundation, pier body, tray, top cap and support cushion stone and so on. Based on the analysis of the characteristics of the upper and lower structure of the bridge, the models of each part of the bridge are created by drawing modeling, sweeping, lofting and rotating. This paper discusses the method of secondary development of AutoCAD by Auto LISP and ObjectARX tools. Under the environment of AutoCAD drawing, creating layer, setting up color, line, proportion and character style, establishing basic drawing interface, carrying out two-dimensional parametric drawing and stereoscopic modeling are discussed. Taking box girder and piers as examples, two-dimensional parametric drawing and three-dimensional modeling are studied. In this paper, the 3D modeling of continuous box girder is realized by using the spline curve of the corresponding vertices of each section as the guide line through discussing the layout modeling of the beam with variable section along the guide line. The pier model is built by drawing the body of the pier, the next two sections, and then lofting along the height direction. Finally, the development of bridge management information system is studied. The bridge management information system is established by studying the components and functions of the visual module, the operation state module, the data analysis and maintenance module, which are needed for the bridge information management system. The visualization and information management system of reinforced concrete bridges studied in this paper can provide a visual and intuitive three-dimensional bridge information management platform for relevant management departments. Through parametric drawing of bridges, the efficiency of bridge design can be greatly improved, and human error caused by traditional drawing can be avoided. The visualization of the bridge lays the foundation for the comparison and selection of the design scheme and the estimate of the engineering quantity. The information management system of the bridge also provides the necessary guarantee for the later operation, detection and maintenance of the bridge.
【学位授予单位】：兰州交通大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：U445
【参考文献】
相关期刊论文 前1条
1 戴学臻;邢磊;张维昕;赵勇;;我国桥梁管理系统软件开发合理性构建的思考与建议[J];中外公路;2008年06期
，本文编号：2170494
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