冬期施工水泥楼地面时,为了使施工环境温度达到要求,避免发生冻害,常采用煤火保温养护的方法。一些人为了不让室内放走热量,将各处的门窗和孔洞关闭堵严,也不装排气烟囱,认为这样做保护效果会更好。其实,这种做法是不对的。这是因为: 由于炉火的煤炭在空气中燃烧,室内增加了大量的二氧化碳和其它成分的气体,这些气体随着高 When constructing cement floor in winter, in order to meet the requirements of construction environment temperature and avoid freezing damage, coal fire insulation and conservation methods are often used. Some people do not let the heat in the room, close the doors and windows and holes in various places, and do not install exhaust chimneys. They think that this will have better protection effect. In fact, this practice is wrong. This is because: As the coal of the fire burns in the air, the indoor increases the amount of carbon dioxide and other components of the gas, and these gases increase with the