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目前做白色干粘石都是采用白水泥素浆做干粘石粘结层,虽然刚做完的成品洁净、清晰、感观好。但是,白水泥做白色干粘石也存在许多缺点,从总体上看弊大于利。主要表现在:①易受污染、成本较高;②粘结力较差、石子易脱落;③白水泥生产厂家少,产量也不大,有时紧缺不易采购,常常因此而影响工期;④常因储存超期,水泥掉号影响施工质量,等等。 鉴于这种情况,我们从1993年开始在长春市新开发的永春和至善两个小区试用普通(425号)水泥做白色干粘石,做法与用白水泥做白色干粘石
At present, the white dry sticky stone is made of white cement paste as dry sticky stone adhesive layer, although the finished product just finished is clean, clear, and good-looking. However, there are also many shortcomings of white cement as white dry sticky stone. Generally speaking, the disadvantages outweigh the benefits. Mainly manifested in: 1 vulnerable to pollution, high cost; 2 poor adhesion, stone easy to fall off; 3 white cement manufacturers, production is not large, and sometimes shortcomings difficult to purchase, often affect the duration; 4 often cause The storage period expired, the cement number affected the construction quality, and so on. In view of this situation, since 1993, we have been experimenting with ordinary (425#) cement as white dry sticky stone in the newly developed Yongchun and Zhishan communities in Changchun City. This is done by using white cement as a white dry sticky stone.