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抹面砂浆施工之后出现气泡是什么原因

来源:https://www.jnfhjc.com 日期:2021-04-22 发布人:juyehe

砂浆施工后出现气泡如果处理就会容易出现空鼓起皮,导致砂浆掉落,那么产生气泡的原因是砂浆的原因还是施工不当的原因,福华建材告诉您答案。
If bubbles appear after mortar construction, it will be easy to appear hollowing and peeling, which will lead to mortar falling. Is the cause of bubbles due to mortar or improper construction? Fuhua building materials will tell you the answer.
先说砂浆的原因,砂浆当中添加剂作用很大,增强砂浆施工性能,但是如果和其中的水泥反应不好,那么气泡的产生,或是选用砂原材料的时候砂的细度太小导致孔隙率太高也会出现问题。
First of all, the reason for mortar is that additives play a great role in mortar, which can enhance the construction performance of mortar. However, if the reaction with cement is not good, then the generation of bubbles, or the fineness of sand is too small when using sand raw materials, resulting in high porosity will also have problems.
除了砂浆的原因砂浆的凝结时间不稳定和外界的问题都有关系,施工环境应该在一个合理的范围内,在高温的地方施工,砂浆保水率降低,那么凝结时间也会缩短,施工环境温度太低也会引起缓凝剂掺量过高,引起砂浆凝结时间延长,所以在施工当中保证施工环境温度和砂浆的保水率是非常的重要。
In addition to the reason of mortar, the unstable setting time of mortar is related to the external problems. The construction environment should be within a reasonable range. If the water retention rate of mortar is reduced in the high temperature place, the setting time will also be shortened. If the construction environment temperature is too low, it will also cause too much retarder, which will lead to the extension of mortar setting time. Therefore, the construction environment can be guaranteed during the construction Temperature and water retention rate of mortar are very important.
砂浆在施工之后会出现掉砂掉粉的情况,掉砂是干粉砂浆使用的砂细度太低,含泥量超标,就会导致沙子浮出表面,起砂,掉粉是生产干粉砂浆使用的沙子太细了,石粉的含量大,导致部分粉料上浮,聚集表面强度低而掉粉。
After the construction of mortar, there will be sand and powder dropping. Sand dropping is dry powder mortar. If the fineness of sand used is too low and the mud content exceeds the standard, the sand will float out of the surface and sand will rise. Powder dropping is that the sand used in dry powder mortar production is too fine and the content of stone powder is large, which will cause some powder to float up and gather, and the surface strength is low and powder dropping will occur.
所以建议施工仔细选用砂浆,施工注意操作步骤防止出现施工质量。
Therefore, it is suggested that the mortar should be carefully selected for construction, and the operation steps should be paid attention to to prevent the construction quality.