我们都知道，是一个新的扬基体育场工程。
2008年北京奥运会的国家体育场工程钢结构工程量大，用钢量多，种类复杂，采取了多种措施保证钢材的质量。
The steel struture engineering work load of 2008 Olympic national gymnasium is big, and the steel usage and category are large. Many measures are adopted to ensure the material quality.
本文结合工程实例，分析某体育场看台观众席下滑原因，并提出为防止继续下滑所采取的加固措施。
Through combining engineering concrete, the paper analyzed reasons about sliding down of stadium bleachers, and put forwards some reinforcing measures to prevent from sliding down continually.
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