laitance

laitance

1. laitance layer

(水泥)浆沫层

2. Carry out surface preparation by Grinder and dust free self-enclosed portable grinder until to remove surface laitance and provide sound and textured surface.

使用地坪打磨机和无尘封闭手提磨机去除表面粗糙物，并提供涂装对表面所要求的粗糙度。

3. On the hardened surface of the concrete, cement film, movable stones and concrete laitance should be cleared.The surface should also be wetted and cleansed, no water pools are to be found.

在已硬化的砼表面上，应清除水泥薄膜和松动石子以及砼浮浆，并充分湿润和冲洗干净，且不得积水。

4. pile head laitance

桩头浮浆

5. laitance coating

浆皮 浮浆表层

6. Laitance elimination in cast-in-place fly ash concrete

现浇粉煤灰混凝土的浮浆机理分析

7. Use steel brush or scraper to clean up sundries and laitance on the surface of stiches,and then use compressed gas to blow off dust inside stitches,which should be dry;

用钢丝刷或刮刀清除裂缝表面杂物、浮浆，再用压缩气体吹净裂缝中的尘土，裂缝应干燥；

8. Use steel brush or burnished to clean up laitance on the surface of concrete and the concrete surface should keep dry;

用钢丝刷或角磨机清理混凝土表面的浮浆层，混凝土表面须干燥；

9. The pile should be concreted wholly by tremie andthe method of deposition should not be changed partway up the pile, to prevent the laitance from beingentrapped within the pile.

这个桩子（堆状物）应该完全由混泥土导管采用沉积的方法凝结而成，但不应该高过这个桩子（堆状物），以免水泥沫飞溅出来！