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    施工环氧地坪时对地面伸缩缝的施工方法

    因为经常装饰大面积的车间环氧地坪,我司积累了不少的施工经验,所以对于怎么处理伸缩缝,我们也有一些方法。今天把这些施工方案列出来,以供各位参考。无论施工环氧地坪涂层的材料质量多好,过了一年,经历热胀冷缩,如果原混凝土地面出现开裂的情况,则附在上层的环氧地坪层也会开裂。所以将伸缩缝处理好,就更有必要了。以避免工程质量纠纷。我们都知道,完工后的效果是整体无缝的。所以在施工时,需要去处理混凝土地面的一些伸缩缝。

    Because we often decorate large area of workshop epoxy floor, our company has accumulated a lot of construction experience, so we also have some methods for how to deal with expansion joints. These construction schemes are listed for your reference today. No matter how good the material quality of the epoxy floor coating is, after one year, the epoxy floor coating will crack if the original concrete floor cracks. Therefore, it is more necessary to handle the expansion joint well. To avoid engineering quality disputes. As we all know, the effect of epoxy floor is seamless. Therefore, in the construction of epoxy floor, it is necessary to deal with some expansion joints of concrete floor. 

    1、用环氧树脂砂浆材料填充伸缩缝,接下来再按照我们给客户设计原方案进行施工。

    1。 Fill expansion joints with epoxy mortar material, and then proceed with the construction according to the original scheme we designed for our customers。

    但这种方式不能保证伸缩缝处或附近的环氧地坪涂层不出现开裂和起壳现象。因为环氧砂浆材料无弹性,无法抵抗混凝土收缩开裂时的应力,最后还是无法避免地面开裂。

    However, this method can not ensure that cracking and shelling do not occur in the floor coating at or near the expansion joint。 Because the epoxy mortar material is inelastic, it can not resist the stress of concrete shrinkage cracking, and finally it can not avoid ground cracking。

    花开棋牌2、在环氧完工后,用切割机在原伸缩缝位置切割出2-5mm宽的伸缩缝,再把缝内的杂物清理干净,接下来用弹性物质(如聚氨酯弹性胶)将伸缩缝填充起来,在这个过程中,要注意尽量避免缝外沾染上胶料。最后涂布环氧树脂中涂层和面漆。

    2. After the epoxy floor is finished, the expansion joint of 2-5mm width is cut out with the cutting machine at the original expansion joint position, and the debris in the joint is cleaned up. Then the expansion joint is filled with elastic material (such as polyurethane elastomer). In this process, attention should be paid to avoiding the contamination of rubber outside the joint. Finally, the coatings and topcoats in epoxy resin are coated.

    弹性胶的填充需要有一定的深度,否则易出现弹性胶与混凝土附着不牢而脱离现象。

    The filling of elastomeric adhesives needs a certain depth, otherwise it is easy to appear that the elastomeric adhesives are not firmly attached to concrete and separate from it。

    第二种处理方式和第一种相比,由于弹性胶分散了混凝土收缩而形成的应力,伸缩缝上涂层开裂的可能性大大降低,地面整体上颜色一致,但由于弹性胶上的涂层仍为刚性的,当混凝土收缩较为剧烈时,弹性胶上的地坪涂层(中涂层和面漆)乃有可能开裂,但裂缝不会很大。

    Compared with the first method, because elastomer disperses the stress caused by shrinkage of concrete, the possibility of cracking of the coating on expansion joint is greatly reduced, and the overall color of the ground is the same, but because the coating on elastomer is still rigid, when the shrinkage of concrete is more intense, the floor coating on elastomer (middle). Coatings and topcoats) may crack, but cracks will not be large.

    3、地坪施工时,先尽量将伸缩缝留着,即时覆盖,也应记录下所在位置,然后在地坪涂装完毕后,将伸缩缝切割修饰整齐,保证宽度在5mm以上,最好修饰成上宽下窄的梯形状,然后将缝内的灰尘及杂物清除干净,贴缝两边贴上胶带,采用聚氨酯弹性胶充缝隙直至平直,在弹性胶半干状态时撕去胶带。

    3. During the construction of the floor, the expansion joints should be kept as far as possible, covered immediately, and the location should be recorded. After finishing the painting of the floor, the expansion joints should be cut and trimmed to ensure that the width is more than 5 mm. It is better to decorate them into ladder shapes with narrow upper width and lower width. Then the dust and debris in the joints should be cleaned up, and the two sides of the joints should be affixed. The tape is filled with polyurethane elastomer until it is flat, and the tape is torn off when the elastomer is in semi-dry state.

    第三种方法在洁净度和美观度要求高的电子厂、制药厂经常被采用,可基本避免伸缩缝处地坪涂层的开裂现象,并且可使用地坪比较美观。这种方式的缺点:因为聚氨酯弹性材料的颜色比较少,不易达到与整体地坪涂层的颜色一致。

    The third method is often used in electronic and pharmaceutical factories with high requirements of cleanliness and aesthetics, which can basically avoid the cracking of floor coating at expansion joints and make the floor more beautiful。 The disadvantage of this method is that polyurethane elastomer has less color and is not easy to achieve the same color as the whole floor coating。

    花开棋牌4、局部的地面伸缩缝,也常采用铺贴玻璃纤维布以增强抗裂性的方法,施工方式是:先用环氧砂锅浆材料将伸缩缝填充平整,然后涂上底涂材料,再粘贴宽度10mm左右的玻璃纤维布1-2道,接下来滚涂中涂材料、面涂等。

    4. Local ground expansion joints are often covered with fiberglass cloth to enhance crack resistance. The construction method is: first fill the expansion joints with epoxy mortar material, then coat the bottom coating material, then paste 1-2 channels of fiberglass cloth with width of about 10 mm, and then roll coating materials, surface coating, etc.

    这种方法既能保证地面整体颜色一致,还能抵御混凝土收缩引起的开裂,但是如果地坪涂层的设计厚度过薄时不易操作,易出现贴布处地面高于其它处的现象。所以至少是2MM以上的环氧地坪才会采用这种方案。

    This method can not only ensure that the overall color of the ground is the same, but also resist the cracking caused by concrete shrinkage. But if the design thickness of the floor coating is too thin, it is difficult to operate, and it is easy to appear that the ground is higher than other places. Therefore, the epoxy floor with at least 2MM or more will adopt this scheme.

    总的来说,地面的伸缩缝处理需要引起我们施工方和甲方的高度重视。至于采取哪种方案,需要地面的具体情况,再与甲方协商,一致决定。

    Generally speaking, the treatment of expansion joints on the ground should be paid great attention by the construction party and Party A。 As for which plan to adopt, the specific situation on the ground needs to be consulted with Party A and decided unanimously。


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