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北京市建筑工程研究所承担建设部下达的《预制构件钢底模实用变形计算方法》科研课题于1989年8月15日通过了部级技术鉴定。鉴定委员会由由清华大学张良铎教授任主任委员,北京市建筑设计院高级工程师胡庆昌、中国建筑东北设计院高级工程师唐明贤任副主任委员。鉴定委员们经过认真讨论,得出鉴定结论如下: 1.菱形格构钢底模自由角挠度计算方法、组合式结构钢底模自由角挠度计算方法和等腰三点支承合理结构钢底模变形计算方法,理论联系实际,论证清晰、合理,实验数据充分,方法简捷、实用,易于掌握,计算值与电算精确值和实测值吻合比较好,并具有独创性。
The Beijing Institute of Civil Engineering and Engineering undertook the Ministry of Construction’s “Calculation Method for Practical Deformation of Prefabricated Steel Bottom Forms” research project and passed the ministerial technical appraisal on August 15, 1989. The appraisal committee was chaired by Professor Zhang Liangyi of Tsinghua University, Hu Qingchang, a senior engineer of the Beijing Architectural Design Institute, and Tang Mingxian, a senior engineer of the Northeast China Architectural Design Institute, as the deputy director. After careful discussion, the appraisal committees came to the following conclusions: 1. Calculation method for free-angle deflection of bottom mold of diamond lattice steel, calculation method for free-angle deflection of bottom wall of modular structural steel and reasonable deformation of isobaric three-point support steel bottom mold The calculation method, the theory is linked to the reality, the argument is clear and reasonable, the experimental data is sufficient, the method is simple, practical, and easy to grasp. The calculated value is in good agreement with the exact value of the calculation and the measured value, and it is original.