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1990年4月开始生效的新建筑法对中空玻璃工业的规定是具有划时代意义的。修改后的条文为中空玻璃工业提供了充分的可利用机会,这也是十年来建筑业期待从经济低谷中兴起的最重要机会。新的建筑法带来的主要变化是,窗子的最大充许面积由原来占墙壁面积的12％提高到了占地面积的15％,对所有建筑物的墙壁、地板和屋面都提出了更高的保温要求。外墙和地板的要求从0.6w/m~2k降到0.45w/m~2k,屋面的要求从0.35w/m~2k降到0.25w/m~2k,部分暴露的墙壁和地板的新要求为0.6w/m~2k。单项改进是充许的,建筑业可以用密封窗取代单层玻璃窗,不提高墙壁、屋面和地板的保温值。具体来
The new construction law, which came into force in April 1990, has epoch-making significance for the regulations of the insulating glass industry. The revised article provides sufficient opportunities for the insulating glass industry. This is also the most important opportunity for the construction industry to emerge from the economic downturn in the past decade. The main change brought about by the new construction law is that the maximum allowable area of the window has been increased from 12% of the original wall area to 15% of the floor area, and the height of the walls, floors and roofs of all buildings has been higher. Insulation requirements. The requirements for exterior walls and floors have been reduced from 0.6w/m~2k to 0.45w/m~2k. The roofing requirements have been reduced from 0.35w/m~2k to 0.25w/m~2k. The new requirements for partially exposed walls and floors have been reduced. 0.6w/m~2k. The individual improvement is sufficient, and the construction industry can replace single-glazed windows with sealed windows, without increasing the insulation value of walls, roofs and floors. Specific