(1) 砖坯成型水分偏高。应降低坯体成型水分,提高湿坯体强度,以免因湿坯体过软而被压裂。 (2)原料塑性指数偏低。坯体强度低而引起压裂。可掺配塑性高的原料或减少码坯层数。 (3)原料塑性指数偏高、干燥收缩率 ...
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