如体积变化不均匀即体积安定性不良，容易产生翘曲和开裂，降低工程质量甚至出现事故。
Such as volume change uneven or volume stability, prone to warping and cracking, reduce the engineering quality and even an accident.
所用材料不合格。如砂、石、集料质量不合格；除此之外，大多数是因为水泥体积膨胀率太大(安定性严重不良)。
USES material not qualified. Such as sand, stone, aggregate quality unqualified; In addition, mostly because cement volume expansion rate is too large (stability serious adverse).
所用材料不合格。如砂、石、集料质量不合格；除此之外，大多数是因为水泥体积膨胀率太大(安定性严重不良)。
USES material not qualified. Such as sand, stone, aggregate quality unqualified; In addition, mostly because cement volume expansion rate is too large (stability serious adverse).
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