Unverified85% confidenceDecision RuleTime unknown
移动书架单层承重≥15kg才能安全放置精装书或32开硬皮书；标称承重是均布承重，实际集中堆放需打7折计算
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Unverified单层承重需求：放置32开小说等轻量书籍每层≥15kg即可，放置精装画册/教材/大开本工具书需单层承重≥25kg，横向跨度超过80cm的搁板承重会因挠度衰减30%以上，建议加中间立柱支撑90% similarUnverified书架层板要看有效承重标注：单层承重≥15kg才能稳妥放满一层书（约30-40本绘本重10kg+），标称过低或未标注的塑料/薄板层易变形下垂89% similarUnverified专为书籍等重物设计，体积小是为了防止装满后超重搬不动，40×30×30cm装满书约25-30kg已接近单人搬运极限88% similarUnverified开放式书架单层承重需≥15kg，因绘本单本重达0.5-1kg，一层排满约20-30本可达15-25kg；层板厚度<15mm的板材长期承重易中间下垂变形86% similarUnverified落地重型置物架单层承重需看均布承重而非峰值，家用存放书籍/工具箱选单层承重≥80kg（板厚≥1.0mm钢板+加固横梁），普通杂物单层30-50kg足够86% similar
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