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以空心粘土砖、加气混凝土砌块、灰沙砖、混凝土复合墙板等新型墙体材料取代实心粘土砖,有利于缓和农业用地矛盾,节约能源和建设投资。利用工业废渣,也是发展新型建材的途径。这一政策虽倡导多年,但推广应用缓慢。直到现在,实心粘土砖仍占墙体材料的95%。究其原因,国家调控市场、创造需求不力是一个方面。需求是供给的对象,产品通过市场检验才能进入消费领域。为此,推动新型墙体材料的发展宜采取以下措施。一、引导消费。市场竞争不会自然而然推动社会资源最佳组合,尤其在目前我国价格体系扭曲的情况下,适当的行政干预是必需的。
Replacement of solid clay bricks with new wall materials such as hollow clay bricks, aerated concrete blocks, ash sand bricks, and concrete composite wallboards will help ease the contradiction of agricultural land, save energy and build investment. The use of industrial waste residue is also a way to develop new types of building materials. Although this policy was promoted for many years, it was slow to promote and apply. Until now, solid clay bricks still account for 95% of the wall material. The reason is that the state regulates the market and creates weak demand is one aspect. Demand is the object of supply. Products can only enter the consumption field through market inspection. To this end, the following measures should be taken to promote the development of new wall materials. First, guide consumption. Market competition will not naturally promote the optimal combination of social resources. Especially in the current situation where our country’s price system is distorted, proper administrative intervention is necessary.