澳大利亚一公司生产一种建筑耐火砌块。这种砌块对于外承重墙的使用宽度为250毫米,对内墙则为125毫米砌块分别有160毫米和75毫米宽的空洞,并有凸棱和凹槽以互锁墙体。在砌块垒砌到限定高度2500毫米或2750毫米时,別混凝土泵的摇臂把混凝土浇筑在孔洞内井一致填满,墙体无需设置钢筋,而跨度较大的开大 An Australian company produces a kind of building fireproof block. This block has a width of 250 mm for the outer bearing wall and 125 mm for the inner wall. The blocks are 160 mm and 75 mm wide, respectively, and have ribs and grooves to interlock the walls. When the block ramps up to a defined height of 2500 mm or 2750 mm, the rocker arm of the concrete pump is used to place the concrete in the hole and fill it in a consistent manner. The wall does not need to be provided with steel bars and the span is large and large.