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北京市音乐堂改扩建工程采用“两桩托一柱”的方法，转换结构传力体系，实现了基础整体托换，并增设了地下室，充分利用地下空间资源。该工程实践表明，为开发城市地下空间资源，利用该方法是进行城市建筑改造的一条新途径。
The reconstruction and expansion project of the Beijing Concert Hall adopts the method of “two piles and one column” to convert the structural transmission system, realize the overall underpinning of the foundation, and add a basement to make full use of underground space resources. The engineering practice shows that, in order to develop urban underground space resources, the use of this method is a new way of transforming urban buildings.