绳锯切割技术在混凝土支撑拆除中的应用

Application of Wire Saw Cutting Technology in Concrete Support to Dismantle

通过海安中医院基坑支护工程三轴SMW工法桩+工法桩内插H型钢+两道钢筋混凝土支撑相结合的围护结构形式的支撑拆除的总结,针对所遇到的环境和技术因素的难题,采用几种方案的比选,确定了绳锯切割技术方案。介绍在医院区域的特殊环境下支撑拆除的绳锯切割技术特点和操作流程。实践证明,该技术成熟可行,并达到预期效果,对环境和噪音要求高的拆除工程,该技术有较明显的优势和推广价值。

Through the summary of the demolition of the support structure in the foundation pit support project of Hai’an middle school hospital,which is composed of three axis SMW construction pile+constr uction pile inter polation H-bea m+two reinforced concrete supports. According to the difficult problems of environ ment and technical factors,the cutting technology scheme of rope saw is d etermined b y c omparing s everal s chemes. T his p aper i ntroduces t he c haracteristics a nd o peration flow of the rope saw cutting technology which supports the demolition in the special environment of the h ospital a rea.