Unverified90% confidenceDecision RuleTime unknown
装书籍等重物的搬家箱纸板厚度应≥5mm（五层瓦楞/AB楞），三层单瓦楞（约3mm）装书易塌底
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90%
Confidence
Long-term
Relevance
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Unverified承载书本/文件的收纳架，隔板单层承重需≥5kg且隔板厚度≥15mm（实木/多层板）或钢板厚度≥0.8mm，否则长期堆放书籍会出现中部下凹变形88% similarUnverified书房承重书籍的置物架，单层跨度超过80cm时中间必须加支撑或选择加厚层板（≥18mm实木/25mm密度板），否则长期堆书会中间下垂弯曲85% similarUnverified金属材质书架自重应≥1.2kg（塑料款需≥0.8kg配防滑底垫），底座宽度需大于支撑面上沿宽度，否则放置大开本书籍时易前倾翻倒85% similarUnverified板材厚度决定承重：18mm板材单层跨度≤900mm可放书籍杂物；跨度＞900mm或放置重物需25mm板材或中间加立板，否则3-5年后层板会明显下弯变形84% similarUnverified单层层板承重需≥5kg才能安全放精装书或绘本，密度板层板厚度应≥15mm，薄于12mm的层板放满32开精装书2年内易下垂弯曲83% similar
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