1. The type of steel structure grid structure is unrestrained and stretched. It contains both the rhythmic beauty of classical architecture and the romance of modern plastic arts. Therefore, more and more architects use its solidity and artistry to design and build large-scale roof skeleton. This novel and beautiful grid structure. It has built a new object image for modern buildings.

2、钢结构是一种多次超安稳的空间结构。正是因为这种结构的多重超安稳特性，以及与其他结构比较所具有的独特建模灵活性。矩阵位移法通常用于核算结构的内力。矩阵度视工程状况而定，简单工程的矩阵度要达到上万倍。对于一些杂乱的项目，矩阵度很难核算。也就是说，即便核算机运用高斯迭代法，核算一次也需要几个小时。因为结构内力核算工作量大，施工图设计难度高，在核算机辅助设计程度未完成之前，很大地限制了网架结构的推行应用。

2. Steel structure is a kind of space structure with multiple super stability. It is precisely because of the multiple super stability characteristics of this structure and its unique modeling flexibility compared with other structures. Matrix displacement method is usually used to calculate the internal force of structures. The matrix degree depends on the engineering condition, and the matrix degree of simple engineering should reach tens of thousands of times. For some messy projects, the matrix degree is difficult to calculate. In other words, even if the accounting machine uses the Gaussian iterative method, it will take several hours at a time. Because of the large workload of structural internal force accounting and the high difficulty of construction drawing design, the implementation and application of grid structure is greatly limited before the degree of computer-aided design is completed.

钢结构网架结构在今天许多的大型场馆中得以施用，从修建学的视点讲，这是修建结构和修建资料上的一场革命。从修建物体的艺术观感上讲，网架结构的多样性造型改变。为人民群众的出产、生活空间，增添了艺术感。空间网架结构，还有施工资料轻，安装便利等优点。一起，因为修建资料是组合受力，它还有抗震性能好的成效。

Steel grid structure is used in many large stadiums today. From the perspective of architecture, it is a revolution in building structure and building materials. From the artistic perception of the building object, the diversity of the grid structure and the change of the shape. It adds a sense of art to the production and living space of the people. Space grid structure also has the advantages of light construction data and convenient installation. Together, because the construction data is combined stress, it also has the effect of good seismic performance.

钢结构网架是现代修建科学百花园中的一支奇花。近十多年来，它在我国得以大面积的应用和推行，放眼望去，这道亮丽的城市风景线，正向着愈加广阔的地域伸延。

Steel structure grid is a wonderful flower in the modern construction science garden. In recent ten years, it has been applied and implemented in a large area in China. Looking at it, this beautiful urban landscape is extending to an even wider area.

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