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1974年初,膨珠及其制品研制组利用首钢膨渣池的副产品——膨珠,在北京市第三建筑构件厂制成了墙板试件,经室内存放一年后,于1975年3月在我所墙体保温试验室内,进行了连续84小时的稳定传热试验。试验结果表明:容重为2000公斤/米~3左右,厚度为28厘米的膨珠混凝土墙板已能满足北京地区保温要求。
At the beginning of 1974, the development group of expanded beads and its products made use of expanded beads, a by-product of Shougang’s expanded slag pool, to make wall plate specimens in the third building component factory in Beijing, and after one year of indoor storage, in March 1975. In our wall insulation test room, a continuous heat transfer test for 84 hours was conducted. The test results show that the bulk concrete wallboard with a bulk density of about 2000 kg/m~3 and a thickness of 28 cm can meet the insulation requirements in Beijing.