無錫購物中心地坪價格是多少 <聯(lián)系電話400-0709-910>
面混凝土規(guī)范規(guī)定其水灰比應(yīng)小于0.5，而且要求混凝土單位用水量為150~170kg/m3。水灰比的大小直接影響水泥石漿體的強度。水灰比過大時，混凝土中多余的游離水分蒸發(fā)，在水泥漿面層產(chǎn)生過多毛細(xì)孔，降低了密實性，降低了混凝土面層的強度，地面容易“起塵起砂”。另外，表面水分過多，混凝土面層抹壓修光時間延長，甚至有可能超過水泥的終凝時間，造成施工地面質(zhì)量無法保證。混凝土中的水除了與水泥發(fā)生水化作用外，另一個作用是為了滿足混凝土施工的要求。有部分施工單位為了趕進度或施工方便，將混凝土坍落度盡量放大，**是自動攤平。甚至擅自加水放大坍落度，結(jié)果造成混凝土表面大量泌水。如某停車場地面工程，因混凝土坍落度大、表面泌水嚴(yán)重，造成地面大面積“起砂”。
1.2 混凝土原材料質(zhì)量的影響
(1) 砂石集料含泥量：含泥較多時，會嚴(yán)重影響水泥的底漆層，這個是為了封閉混凝土的空隙，防止地下的水汽、空氣，腐蝕性物質(zhì)上浮對環(huán)氧地坪造成損害。
2、面漆層，這個圖層直接面對使用者，它一方面需要能抗人們的行走，機械的摩擦，另一方面還需要能隔絕外界存在的腐蝕性物質(zhì)從上層侵入環(huán)氧地坪漆內(nèi)部。
大家肯定會覺得疑惑，既然是這樣，那我們?yōu)槭裁催�需要中涂層呢，主要有一下幾個原因：
1、增強耐磨性能。環(huán)氧地坪漆的性質(zhì)決定。環(huán)氧地坪漆是固化成膜類地坪漆，它是通過在混凝土表面形成保護涂膜來完成它的保護使命，有如我們的皮膚。但因為是成膜，那就是可以被磨損。地坪漆工程越薄，則越容易被磨損光。而中涂就是夾在底漆和面漆中間，提高環(huán)氧地坪工程耐磨性能，使用年限的關(guān)鍵。
2、增加厚度。一般的地坪漆底漆和面漆施工后，只會產(chǎn)生0.2-0.5mm的涂層，這樣不僅耐磨很差，還給人們走在上面的體驗很差。這個大家應(yīng)該都有感受，厚的環(huán)氧地坪工程有一定彈性，走在上面很舒適，摔倒了也不會很疼。
3、降低成本。由于中涂層不需要承擔(dān)防護各種有害物質(zhì)侵害的任務(wù)，那對他的要求實際上是可以降低一點點的。而且中涂層是在環(huán)氧地坪涂層的中間，你再五顏六色也沒人能看到，于是色粉可以省掉。所以中涂一般會比面漆和底漆來得便宜。
Face concrete specification of its water-cement ratio should be less than 0.5, and requires concrete unit water consumption is 150 ~ 170kg / m3. Cement ratio of the size of the direct impact strength of cement slurry. Water-cement ratio is too large, concrete excess free water evaporate, resulting in excessive grout pores in the surface layer, reducing compaction, reducing the strength of the concrete surface, the surface is easy to "dusting from the sand." In addition, excessive surface moisture, concrete surface repair TROWELING light prolonged, there may even exceed the final cement setting time, resulting in the ground can not guarantee the quality of construction. Concrete and cement hydration water in addition to the role, another role is to meet the requirements of the concrete construction. Some construction units in order to finish the work or to facilitate construction of the concrete slump as large as possible, preferably automatic smoothing. Even without adding water enlarge slump, resulting in a lot of bleeding concrete surface. If a parking ground works, because concrete slump, surface bleeding severely, causing a large area of ground "from the sand."
1.2 Effect of concrete quality raw materials
(1) The amount of aggregate mud: mud more, it will seriously affect the cement primer layer, this is the order to close the gap of concrete to prevent underground water vapor, air, corrosive substances floating cause for Epoxy damage.
2, the paint layer, the layer directly facing the user, it needs to be resistant to walk on the one hand, the mechanical friction of people, on the other hand also need to be able to isolate the presence of corrosive substances outside intrusion epoxy floor paint from the top interior.
I am sure you will feel confused, since it is so, then why do we need the coating it, there are about several reasons:
1, enhanced wear resistance. The nature of the decision epoxy floor paint. Epoxy paint is cured film class floor paint, which is obtained by forming a protective film on the concrete surface to perform its protection mission, like our skin. But because it is a film that can be worn. The thinner the floor paint project, the easier it is to wear light. While the coating is caught in the middle of primer and topcoat, epoxy floor project to improve the wear resistance, critical useful life.
2, increasing the thickness. After the usual floor paint primer and finish construction, will produce 0.2-0.5mm coating, so not only wear poor, people go back to the top of the experience is poor. This we should have feelings, epoxy floor engineering thick and elastic, very comfortable to walk on, fall, it will not hurt.
3, to reduce costs. Because the coating does not need to undertake a variety of harmful substances in violation of the protection mission, and that his request can actually be a little bit lower. And in the middle of the coating epoxy floor coating, you then no one can see colorful, so the toner can be saved. So in the coating generally cheaper than paint and primer.
資訊來源：<聯(lián)系電話:400-0709-910>
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