Through the introduction of formulating standard and the use of external iron chill in cast steel, the paper pointed out a way for saving cost, simplifying working processes and improving quality.
通过对铸钢件外冷铁标准的制定和应用情况的介绍，提出了节约成本、简化工艺、提高质量的一条重要途径。
2
The paper introduce one kind of external formwork system design of cast-in-place continuous box beam.