Unverified85% confidenceDecision RuleTime unknown
标称承重是均布静载值，实际使用需打3-4折：厨房放锅具、书房放书籍这类集中重载场景，标称承重50kg的层板实际安全放20-25kg，避免中间下垂变形
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Unverified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% similarUnverified承重需求：书籍/瓷器等重物每层选承重≥30kg的加厚层板（板厚≥18mm）并加装层板托，普通15kg层板长期承重会中央下弯变形84% similarUnverified承重需求判断：单层放锅具/瓶装调料按≥8kg选，放书籍/重物按≥15kg选，塑料隔板实际安全承重多在3-5kg，标称值需打7折看84% similarUnverified自组装塑料收纳柜的单层承重多标称15-20kg但为静态均布值，实际堆放书籍等集中重物应按标称值的50-60%使用，否则底层格易变形塌陷84% 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84% similar
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