“知識分享”公裝知識之自流平是什么？

2022/1/1

自流平是近兩年公裝項目中比較火的一種材料，就跟水磨石一樣，成為了網紅材料。那么，什么是自流平呢？自流平地坪就是把加工好的特殊材料，加水調和成具有一定流動性的液態物質，同時依靠重力自由擴散形成水平面，并自然凝結成型的地坪施工做法。

Self-leveling public projects in the last two years is a popular material, just like Terrazzo, has become an internet celebrity material. So, what is self leveling? The self-leveling floor is a kind of floor construction method, in which the processed special material is mixed with water to form a liquid substance with certain fluidity, and the horizontal surface is formed by gravity free diffusion, and the ground is naturally condensed.

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根據原材料的不同，自流平主要分為水泥自流平和環氧自流平兩種。其中，水泥自流平具有水泥基材質的冷靜素雅感覺，而環氧自流平通常色彩亮麗，耐磨度和潔凈度較高，廣泛應用于醫藥、汽車、電子、食品、電力、化工等工業地坪裝飾中。

According to the different raw materials, self-leveling can be divided into cement self-leveling and epoxy self-leveling. Among them, the cement self-leveling has a calm and elegant feeling of cement-based materials, while the epoxy self-leveling is usually brightly colored and has high wear resistance and cleanliness, widely used in medicine, automobile, electronics, food, power, chemical and other industrial floor decoration.

自流平又有哪些特點呢？一是施工簡便快速，直接加水攪拌即可；二是具有良好的流動性；三是硬化強度高，具有高抗壓強度和耐磨性能；四是極低收縮率，不易龜裂和產生脫層空鼓現象；五是易于清潔，材料施工成型后結合其他產品良好的抗化學腐蝕性能，做適當表面處理，即具有防水、防油污滲入性能，經過簡單清潔即可光潔如新，省去定期保養的麻煩；六是藝術多彩，可根據用戶需求選擇合適的顏色及成型效果。

What are the characteristics of self-leveling? First, the construction is simple and fast, direct water can be mixed; Second, with good fluidity; third, high hardening strength, high compressive strength and wear resistance; fourth, very low shrinkage, not easy to crack and produce the phenomenon of delamination hollowing; Five is easy to clean, material construction molding combined with other products good anti-chemical corrosion performance, do appropriate surface treatment, that is, waterproof, anti-oil infiltration performance, after a simple clean can be smooth as new, save the trouble of regular maintenance; Sixth, colorful art, according to user needs to choose the appropriate color and molding effect.

公裝項目中的自流平的分類具體有哪些呢？我們知道自流平可分為水泥基自流平和環氧自流平。水泥基自流平是主要由特種水泥、超塑化組分、天然高強骨料及有機改性組分復合而成的干拌砂漿。使用時與水混合后形成流動性極佳的流體漿料，在人工輔助攤鋪下，能快速展開、自動找平。需要注意的是：水泥基自流平，只在一定的時間內（有大約3~5min的施工時間）存在一定的流動度和流動方向，超過一定時間，就會停止流動，開始凝固。而環氧自流平主要采用環氧樹脂為主材，由固化劑、稀釋劑、溶劑、分散劑、消泡劑及某些填料等混合加工而成。環氧自流平包括混凝土基層和環氧自流平地坪涂層兩部分。

What are the classification of self-leveling in public projects? We know that the self-leveling can be divided into cement-based self-leveling and epoxy self-leveling. Cement-based self-leveling mortar is mainly composed of special cement, superplasticized components, natural high-strength aggregate and organic modified components. When used, it is mixed with water to form a fluid slurry with excellent fluidity, which can be spread out quickly and leveling automatically under the artificial auxiliary spreading. It is necessary to note that: cement-based self-leveling, only in a certain time (about 3 ~ 5 minutes of the construction time) there is a certain degree of flow and flow direction, more than a certain time, will stop the flow, start solidification. The epoxy self leveling is mainly made of epoxy, which is a mixture of curing agent, diluent, solvent, dispersant, defoamer and some fillers. Epoxy self-leveling includes concrete base course and epoxy self-leveling floor coating.

水泥基自流平和環氧自流平在性能上有哪些差別？我們又該如何去選取呢？它們主要的區別有：

1、耐磨、防滑：環氧自流平地坪耐磨性能要比水泥基自流平耐磨性好，但在防滑性上水泥基自流平比環氧自流平要好。

2、密度：環氧材料由于結構致密，氣密性很高，特別容易由于基層含水率過高而起鼓。

3、使用年限：在使用年限上，水泥基自流平地坪至少可達10年以上，而環氧自流平地坪通常在3年左右。

4、環保性能：水泥基自流平屬于綠色環保、安全健康材料，而環氧材料含有酚醛樹脂等化學成分。在實際的使用過程中，咱們可以根據不同情況甄別選用。

What are the differences between cement-based self-leveling and Epoxy self-leveling in performance? How do we choose? The main differences are: 1, wear resistance, anti-skid: Epoxy self-leveling floor wear resistance than cement-based self-leveling wear resistance, but in anti-skid cement-based self-leveling than Epoxy self-leveling. 2, density: Epoxy materials because of dense structure, air-tightness is very high, especially easy to be due to the high moisture content of the base and drum. 3, Service Life: In Service Life, cement-based self-leveling floor can reach at least 10 years, and epoxy self-leveling floor is usually about 3 years. 4. Environmental Performance: Cement based self leveling is a green, safe and healthy material, while epoxy materials contain Phenol formaldehyde resin and other chemical components. In the actual use process, we can select according to the different situation.

那么公裝項目的水泥基自流平完成面是不是水平的呢？回答這個問題之前，我們要先明確在水泥基自流平的施工中特別要注意順平地面和超平地面的區別。所謂順平地面是指經過施工后的地面，整體雖然平整，但整體地面不一定是水平的，它是按照原有的高低方向，順平下來的；而超平地面是指整個地面都在同一個水平面上的地面，超平地面的施工過程非常復雜，需要確定水平點，然后根據水平點進行施工。所以，我們通常遇到的都是順平地面，而超平地面一般只有要求非常高的實驗室或是進行精密加工的車間才會有如此高的要求。

Then the public project cement-based self-leveling finish surface is not horizontal? Before answering this question, we must be clear in the construction of cement-based self-leveling special attention should be paid to the smooth ground and the difference between ultra-flat ground. The so-called smooth ground refers to the ground after construction, although the overall level, but the overall ground is not necessarily horizontal, it is in accordance with the original high and low direction, smooth down; The construction process of the super-flat ground is very complicated and needs to determine the level point, and then carry on the construction according to the level point. Therefore, we usually encounter smooth ground, and super-flat ground is usually only a very high demand of the laboratory or the workshop to carry out precision processing will have such high requirements.

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