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    环氧地坪施工前基面含水率检测点的选择

    2019-05-06 08:32:46 无锡盛发地坪科技有限公司 阅读

    由于环氧地坪漆属于油性漆,施工时对基础地面的含水率要求很高,不能高于8%,否则就会导致施工后的环氧地坪漆出现起皮(参考《环氧地坪漆大面积起皮的原因》)、起泡以及涂层脱落的问题。因此,为了防止这些问题的出现,在进行环氧地坪漆施工前需要检测基础地面的含水率,如何选择检测点就成了一个重要的问题。通常一个环氧地坪漆工程的面积都在几百几千几万平米不等,在如此大的地面上选择哪些位置才能准确测量出基面的含水率呢?通常来说,选择整个地面湿度最大的地方为测量点,只要基面中湿度最大的地方含水率都没超过相关标准,就可以判断整个基面都符合施工标准。

    Because epoxy floor paint belongs to oily paint, the water content of the base floor is very high during construction, which can't be higher than 8%. Otherwise, it will lead to the problems of peeling, foaming and coating peeling after construction (refer to "The Reasons for Large Scale Peeling of Epoxy Floor Paint"). Therefore, in order to prevent the occurrence of these problems, it is necessary to detect the moisture content of the foundation ground before the floor paint construction, and how to select the detection point has become an important issue. Usually, the area of an epoxy floor paint project varies from hundreds of thousands of square meters to tens of millions of square meters. What position can we choose to accurately measure the moisture content of the base surface on such a large ground? Usually, the place with the greatest moisture content of the whole ground is chosen as the measuring point. As long as the moisture content of the place with the greatest moisture content of the base surface does not exceed the relevant standards, we can judge that the whole base surface conforms to the construction. Standard. 

    那么哪些位置是环氧地坪漆施工基面含水率测量点的最佳选择呢?一般可以选择以下三个位置:

    So which locations are the best choice for measuring moisture content of epoxy floor paint construction base? Generally, the following three locations can be selected:

    1、建筑底层

    1. Bottom Floor of Building

    2、靠近门窗以及外墙处

    2. Close to doors, windows and exterior walls

    3、养护期内曾积水的地方

    3. Places where water had accumulated during the maintenance period

    只要测量这几个地方的基面含水量在施工要求之内,就可以确定整个基面可以进行环氧地坪漆施工。

    As long as the moisture content of the base surface in these places is measured within the construction requirements, it can be determined that the whole base surface can be constructed with epoxy floor paint.

    一般来说,导致环氧地坪漆基面含水量过高的情况一般有三种:

    Generally speaking, there are three kinds of situations that lead to excessive moisture content on the base of epoxy floor paint:

    1、建筑自身没有做防水层

    1. The building itself is not waterproof.

    一些建筑在建成之初就没有做防水层,例如仓库或者物流中心等,但是因为某些原因将这些建筑改成其他功能的建筑,因为未做防水层,这时基面就会出现含水量过高的情况。

    Some buildings did not make waterproofing layer at the beginning of construction, such as warehouse or logistics center, but for some reasons these buildings were changed into other functional buildings, because no waterproofing layer was made, then the water content of the base surface would be too high.

    2、基面完工时间短或未干透

    2. Short or not thoroughly dried base surface

    大量的实践都表明,混凝土基面完工后让其自然风干的效果是最佳的,否则很可能就会导致完工后环氧地坪漆系统出现各种问题。但是现代化的建造速度往往无法耗费大量工时,所以使用树脂材料作面涂层的方式越来越流行。

    A large number of practices have shown that the effect of natural air-drying after the completion of concrete base is the best, otherwise it may lead to various problems of epoxy floor paint system after completion. However, modern construction speed often can not consume a lot of time, so the use of resin materials for surface coating is becoming more and more popular.

    3、防水层失效

    3. Failure of Waterproof Layer

    防水层本身也可能会出现失效的情况,虽然导致其失效的原因有很多种,但是通常来说都是由于涂装不正确,或者涂装期间防水层被损坏,比如被钢筋刺穿等。

    Waterproof layer itself may also fail. Although there are many reasons for its failure, it is usually due to improper painting, or the waterproof layer is damaged during painting, such as pierced by steel bars.


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