袁凤林
    （公安部四川消防科学研究所 都江堰 611830）

[提要]  全面阐述了建筑钢构件的主要防火措施，重点介绍了GF-1100超级硅酸钙防火板的生产工艺、主要技术性能、钢结构防火保护构造和施工要求。用该板保护钢构件，耐火极限可达4h。
[关键词]  钢结构  防火保护  硅酸钙防火板

The paper in a overall view describes the main fireproof measures for building steel elements, emphatically introduces the technological production, main technical performance, fireprotective constructions of steel elements and the construction requirements of GF-1100 super fire board of calcium silicate. The fire rate can reach 4h, when this kind of board is used to protect the steel elements.
Keywords:  fireprotective structure; steel elements; fire board; calcium silicate