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我国人民自古以来就十分推崇“土”这种东西,称之“万物土中生”、“五行之内,土为万物之母”。远在四、五千年到一万年以前,在新石器时代的仰韶文化、大汶口文化、龙山文化等遗址中发现的“白灰面”地面,主要就是用黄土中的钙质结核—姜石墁平的。到了商代,夯土版筑盛行。到了周代已开始使用石灰胶凝材料。秦代采用掺糯米汁的灰浆筑成了万里长城。后来在许多重要的砖石结构工程中广泛应用了掺糯米汁的复合胶凝材科。到公元五世纪南北朝
Since the ancient times, our people have highly praised the “earth” of this kind of thing, calling it “the birth of all things,” and “within the five elements, earth is the mother of all things.” As far back as 4,000 to 10,000 years ago, the “white-gray surface” found in the sites of Yangshao culture, Dawenkou culture, and Longshan culture in the Neolithic Age was mainly made of calcareous nodules in the loess. Shi Weiping. In the Shang Dynasty, the soil version was built up. By the Zhou Dynasty, lime cement was used. The Qin Dynasty used a mortar containing glutinous rice juice to build a Great Wall. Later, in a number of important masonry structures, a composite gelling material containing glutinous rice juice was widely used. To the 5th century AD