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    水泥砂浆地面出现的问题
    来源:http://www.jndmzp.com   时间:2016-3-16 14:30:21
    水泥砂浆地面出现质量问题的原因 水泥砂浆作为一种传统的地面施工材料,虽然逐步被新兴的耐磨地坪、环氧地坪所取代,但仍然有相当一部分的工业与民用建筑中还在应用水泥砂浆作为地面面层。
    Cement mortar ground for the emergence of quality problems of cement mortar as a traditional ground construction materials, although is gradually emerging wear-resistant flooring, epoxy floor replaced, but there are still a considerable portion of the industry and the civil construction is still used in the cement mortar layer, as the surface of the ground.
    这种材料具有一个很显著的优点,那就是造价低,施工简便。但是同样也会受到原材料和施工工艺等因素的影响,出现起砂、断层、裂缝、空鼓等质量问题。为此,有必要总结一下其原因以及可行的应对措施。
    This material has a very significant advantages, it is low cost, simple construction. But also influenced by the factors of raw materials and construction technology, emerged from the sand, faults, cracks, hollowing and other quality problems. Therefore, it is necessary to summarize the causes and feasible measures.
    首先,水泥砂浆地面产生质量问题是由于施工前清理不到位。在给地面进行施工之前,如果没有做好地面的清洁工作,尤其是没有处理好角落处的积尘,那么就会形成隔离层,造成地面断裂,终导致地面抹完之后,养护不够到位,裂缝终逐渐加大的现象出现。
    First of all, the cement mortar ground to produce quality problem is due to the construction of clean in place. Prior to construction ground, if not do a good job cleaning the ground, especially not good at the corner of the dust, it will become a isolation layer, causing the ground fracture, eventually leading to ground finished wiping, maintenance is not in place, eventually cracks gradually increase.
    其次,在地面原料配备的时候,如果使用的水泥强度等级过低,则造成达不到要求强度的等级;如果使用的砂石骨料级配的过细,也会造成达不到要求的强度等级。混凝土和砂浆搅拌时如果加水过量,或搅拌的不够均匀,导致水分过多处就会起砂脱皮。表面压光的次数不够,或者压的不实,也会出现析水起砂现象。
    Secondly, equipped in raw ground when, if using the cement strength grade is too low, causing amounted to less than the required strength grades; if the use of crushed aggregate gradation and meticulous, by up to the grade of strength required. If the excess water mixing of concrete and mortar, or mixing is not uniform enough, too much water will lead to sand peeling. The number of surface pressure light is not enough, or not, will also appear on the phenomenon of sand water.
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