科技(?)报导:最近,地处京郊明珠城——怀柔的第四工程处在基地新建职工住宅楼中,首创“空芯管填料高压射水”新方法,在普通土质上建六层楼房,条基开挖仅1m 深。这种新方法改变了传统新建楼基深挖基坑回填砂石料的施工工艺,沿新建楼条基轴线打成深6m、直 Technology (?) Report: Recently, the Fourth Engineering Department of Pearl City in the suburbs of Beijing-Huairou was the first one in the construction of new workers’ residences in the base. It was the first “new method of high-pressure hollow jetting hollow-core tube packing” to build six Floor, strip-based excavation only 1m deep. This new method has changed the traditional new building foundation excavation backfill sand aggregate construction technology, along the new building block base axis hit deep 6m, straight