This paper researched the Tongji bridge demolition,renovation and involved waste bored piles of Changzhou rail transit line No. 1 aux-iliary engineering,based on surrounding environment characteristics,using CD all rotary pile drawing machine made pile drawing wrecker,and elaborated the used construction machinery,construction technology and so on,the practice proved that this process removing effect was good, use and reliable.%针对常州轨道交通一号线配套工程同济桥的拆除、改建涉及到废弃灌注桩的拔除问题进行了研究，根据周围环境特点，采用 CD 全回转拔桩机进行了拔桩清障，并对施工所用机械、施工工艺等进行了阐述，实践证明，该工艺清除成效好，使用可靠。
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