Research on Construction Technology of Super-thickness and Mass Concrete of Medical Accelerator Engine Room

The Medical Accelerator Engine is is a kind of particle accelerator device for radiotherapy of tumor in medicine,the room is designed in order to shield the harm of particle radiation to the surrounding,the wall and roof are designed to be thick;at the same time, in order to prevent particle leakage,there shall be no horizontal or vertical construction joints during the concrete construction of wall and roof,and no cracks in the concrete.