Unverified88% confidenceDecision RuleTime unknown
膨胀螺栓/预埋件选择：轻质隔墙（石膏板）须用蝴蝶型或飞机型专用膨胀塞，普通塑料膨胀管在空心墙里承重几乎为零
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified石膏板/空心墙必须搭配专用飞机膨胀螺丝或蝴蝶锚栓，普通塑料膨胀管在此类墙面拉拔力不足30kg，等于无效固定90% similarUnverified空心隔墙（石膏板/轻钢龙骨）安装搁板必须使用专用飞机型膨胀螺栓或蝴蝶锚栓，普通塑料膨胀管在空心墙中几乎无有效承重，易整块脱落89% similarUnverified空心砖、石膏板隔墙打孔应使用专用飞机型/蝴蝶型膨胀锚栓，普通塑料膨胀管在空心结构中抓力不足会松脱88% similarUnverified实心砖墙用普通膨胀螺丝即可，但空心砖或石膏板隔墙必须改用飞机膨胀螺丝或蝴蝶锚栓，普通膨胀管在空心墙内几乎零抓力85% similar
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