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    环氧地坪施工之素地缺陷的检测方法和修复方案

    2018-10-20 07:13:01 无锡盛发地坪科技有限公司 阅读

    有过环氧地坪施工经验的人都知道,环氧地坪施工的首要步骤就是素地处理。素地有严重问题不仅会影响环氧地坪成膜后的美观度,还会大大缩短它的使用寿命。因此,做好素地处理工序,是保证环氧地坪完工质量的前提条件。常见的混凝土地面缺陷有空鼓、地表裂缝、强度低、起砂起粉、地面污染、地表潮湿等。这些问题在施工环氧地坪前需要经过仔细的检测评估,然后提出地面修复方案予以解决。下面,皇家地坪小编就为大家一一介绍这些地面缺陷的各种检测方法和相应的修复方案。

    Anyone who has had experience in epoxy floor construction knows that the first step in epoxy floor construction is plain ground treatment. Serious problems will not only affect the aesthetics of epoxy floor after film formation, but also greatly shorten its service life. Therefore, it is the prerequisite to ensure the quality of floor finish. Common concrete ground defects are hollow drum, surface cracks, low strength, sand and powder, ground pollution, surface humidity and so on. These problems need to be carefully inspected and evaluated before the construction of the floor, and then put forward the ground restoration program to solve them. Next, the Royal Floor Bibliography will introduce the various testing methods and the corresponding repair programs for these ground defects. 

    素地常见缺陷检测方法:

    Common ground defects detection methods: 

    1、空鼓

    1. Empty drum 

    1539990867580114.jpg

    水泥地面空鼓

    Cement floor hollowing 

    检测方法:用小锤或金属用具敲击地面,听其是否有空鼓声,空鼓地面跟实心地面敲击声音是不同的。若发现地面有空鼓,就用粉笔或颜料标记出来。

    Detection method: with a hammer or metal tools knock on the ground, listen to whether there is empty drum sound, empty drum ground and solid ground knocking sound is different. If there are any drums on the ground, mark them with chalk or paint. 

    修复方案:将空鼓处凿除,重新浇注水泥砂浆或用无溶剂环氧砂浆修补。

    Repair plan: remove the hollowing place, re pour cement mortar or repair with solvent free epoxy mortar. 

    2、地表裂缝

    2. Surface cracks 

    1539990735912399.jpeg

    水泥地裂缝修补

    Repair of cement ground cracks 

    检测方法:目测

    Detection method: visual inspection 

    修复方案:将需要修补的地方清理干净,用兑水稀释后的胶液(胶:水比例1:3)均匀涂刷在待修补处。间隔10分钟后进行二次涂刷。二次涂刷完马上进行修补处理,切勿等到胶液干燥。

    Repair plan: Clean up the areas that need to be repaired, and apply the glue diluted with water (glue: water ratio 1:3) evenly to the area to be repaired. Two times after 10 minutes. After two finishing, repair immediately, do not wait until the glue drier. 

    修补裂缝宽度在3mm以上,可采用填充法修补;修补裂缝宽度属于微细裂缝的,可以沿裂缝修补,修补厚度不超过2mm;修补裂缝分布属于网状裂缝的,可以在表面整体薄刮修补厚度不超过2mm。

    If the crack width is more than 3 mm, it can be repaired by filling method; if the crack width belongs to micro-crack, it can be repaired along the crack, and the repairing thickness is less than 2 mm; if the crack distribution belongs to mesh crack, it can be repaired by thin scraping on the whole surface. 

    3、强度低

    3. Low strength. 

    检测方法:用强度测试仪测试,强度>20Mpa合格。

    Detection method: strength test instrument, strength >20Mpa qualified. 

    修复方案:凿除强度不够的混凝土,重新进行浇注。

    Repair plan: dig out concrete with insufficient strength and re pour. 

    4、起砂起粉

    4. Starting with sand. 

    1539990735211972.jpeg

    检测方法:用金属物或坚硬的尼龙刷刮刷地面。

    Test method: scraping the floor with metal or hard nylon brush. 

    修复方案:清除表面浮灰和松散部分,问题轻微用纯水泥浆局部罩面处理即可,问题严重则需重新浇注。

    Repair plan: Remove the surface floating ash and loose parts, slightly with pure cement slurry partial cover treatment can be, serious problems need to be re-poured. 

    5、地面污染

    5. Surface pollution 

    1539990735285712.jpeg

    检测方法:目测

    Detection method: visual inspection 

    修复方案:地表有油污等污染物,可使用除油剂清洗或火枪烧烤。

    Repair plan: there are pollutants such as oil and dirt on the surface, which can be cleaned by degreasing agent or barbecued by muskets. 

    6、表面潮湿

    6. The surface is moist. 

    检测方法:使用湿度测试仪检测,或用塑料薄膜铺于地面,四周用胶布粘住,8至24小时后观察薄膜上是否有水珠或地面有无潮湿情况。

    Test methods: Use a humidity tester, or use plastic film spread on the ground, around with adhesive tape, 8 to 24 hours later to observe whether there is water droplets on the film or the ground is wet. 

    修复方案:保持空气流通,或采取人工措施通风,局部区域也可用火烤。

    Repair plan: keep air circulation, or take manual measures to ventilate, and local area can also be roasted. 

    素地处理在环氧树脂地坪施工中最容易被忽视,但却是第一个重要的环节。业内专家称,凡是环氧地坪在建造后半年内损坏的,60%是因为素地有严重问题或处理不当。因此,素地处理,不容忽视。

    Prime land treatment is most easily neglected in epoxy resin floor construction, but it is the first important step. Industry experts say that 60% of the damage to the epoxy floor within six months after construction is due to serious problems or improper treatment. Therefore, the prime land treatment should not be ignored. 


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