Construction Method Of Castable And Types Of Commonly Used Admixtures

The use of castable has many influencing factors, such as from the selection of materials, construction, maintenance and other aspects, the use of castable will also add some admixtures, the role is to change its structure and performance, commonly used admixtures are more types, today Xiaobian for you to introduce the castable construction methods and admixtures in detail.

1. Pouring construction method

(1) Check: check whether the mold is well supported, there are no gaps, deviations, and clean up the debris in the mold, whether the anchor is soldered, and the surface of the anchor is painted or wrapped in plastic bags to buffer the expansion force after heat.

(2) Casting: Pour the mixed castable into the mold, insert the vibrator to vibrate, move the vibrator speed to be uniform, pull out to be slow.

(3) The pouring area is too large, can be stratified partial pouring, can be crossed. The wall is poured in layers, about 900mm each time, the furnace top is split and poured, and then lifted.

(4) Maintenance and removal: the ambient temperature is >20℃, the mold can be removed after 4H, <20℃, the mold can be removed after 6-7H maintenance, if the local edge is damaged, it can be repaired.

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