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【问】我们在戈壁滩上施工。这里民用住宅的水泥地面作法是素土夯实,上做6厘米厚75号混凝土垫层,面层抹2厘米厚1:2水泥砂浆。所用的水泥是不是一定要用普通水泥?如果用火山灰质硅酸盐水泥,会不会影响地面质量?望能得到指导和解答。(新疆库尔勒市石磊)【答】戈壁滩地处西北边疆,多风干燥,气候严酷,全年气候变化极大,经历严寒酷暑。在这样地区进行混凝土施工时,除去对施工操作要有严格的要求外,还必须认真选用好原
[Q] We are constructing on the Gobi Desert. Here, the cement floor method for civil residences is compacted with prime soil, and a 6 cm thick 75th concrete cushion is to be used. The surface layer is to be wiped with 2 cm thick 1:2 cement mortar. Is it necessary to use ordinary cement for the cement used? If using pozzolanic Portland cement, will it affect the quality of the ground? Hope to get guidance and answers. (Xilei, Korla, Xinjiang) [Answer] The Gobi Desert is located in the northwestern frontier. It is windy, dry, and has a harsh climate. The weather changes greatly throughout the year and it is exposed to severe cold and heat. In concrete construction in such areas, in addition to the stringent requirements for construction operations, it is also necessary to carefully select the original