单选题:列质量问题常见成因中,属于功能事故成因的是(  )。

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题目内容:
列质量问题常见成因中,属于功能事故成因的是(  )。 A.预埋件偏位(错位)
B.不均匀沉降(沉降)
C.防水材料质量不合格(功能)
D.分部分项工程施工顺序不当、施工人员不熟悉图纸,盲目施工,致使建筑物或预埋件定位错误;在施工过程中未严格按施工组织设计、方案和工序、工艺标准要求进行施工;对进场的材料、成品、半成品不按规定检查验收、存放、复试等;未尽到总包责任,导致现场出现管理混乱,进而形成一定的经济损失(管理事故)

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