As the preheater tower span of large scale NSP cement plant is great and the internal stress of single beam and pole is also great, steel structure and reinforced beam/pole be used widely because of their special performance.

• 摘要近十年来，由于大规模水泥厂窑尾塔架跨度大，单根梁柱的内力大，钢结构梁柱和钢管混凝土柱因其特有的性能优势得到了广泛的应用。