Unverified90% confidenceDecision RuleTime unknown
承重需求大（书籍、厨房锅具、器皿）时应选打孔膨胀螺栓固定，且必须打进墙体基层而非空心砖/石膏板；石膏板墙需用专用飞机型膨胀管
1
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90%
Confidence
Long-term
Relevance
-
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Unverified需承载书籍、酒瓶、微波炉等重物（单层>10kg）时，必须选膨胀螺丝固定并打入承重墙或实心砖墙；轻质隔墙（空心砖/石膏板）需配专用飞机型膨胀管，否则螺丝会松动拔出87% similarUnverified瓷砖墙面（厨卫）打孔需膨胀螺丝且避开瓷砖空鼓区，钉在瓷砖缝或空鼓处会导致承重脱落；石膏板墙面必须用专用石膏板锚栓，普通膨胀管直接拔出78% similarUnverified承重要求高的固定扶手必须用膨胀螺栓打入实心墙体，遇到轻质隔墙/空心砖需加装背板或化学锚栓，普通塑料膨胀管在瓷砖空鼓处拉拔力不足会松脱78% similarUnverified重物置物架（如厨房锅具、大量书籍）应尽量将固定点打在龙骨/实心墙位置，单点石膏板固定长期承重会导致墙体被拉裂78% similarUnverified膨胀螺丝安装要求墙体为实心砖墙或混凝土；空心砖、石膏板隔墙需改用中空锚栓（蝴蝶膨胀）或飞机型锚栓，否则会整块拉裂78% similar
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