Unverified85% confidenceDecision RuleTime unknown
长度超过80cm的单块搁板中间会下垂，必须增加中间支撑点或选用厚度≥3cm的实木/多层板；玻璃搁板超过60cm即需钢化玻璃（厚度≥8mm）否则有断裂风险
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85%
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Unverified落地置物架单层承重看层板厚度和支撑结构：钢丝网层≥25kg/层，1.0mm冲孔钢板≥15kg/层，玻璃层板放重物易碎需≥8mm钢化玻璃90% similarUnverified层板越厚（如实木25mm、钢化玻璃8mm）抗弯变形能力越强但整体越重且需更强固定；单跨宽度超过80cm应增加中间支撑点，否则中部易下垂88% similarUnverified层板数量越多、跨度越大，中间层板越易下垂变形。同宽度下，玻璃层板需≥8mm厚度、木质层板需≥18mm厚度才能抵抗长期承重下弯，跨度超过60cm应加中间支撑88% similarUnverified层架长度超过60cm且中间无支撑点时，木质/玻璃隔板易出现中部下垂，长隔板建议增加中间三角支架或选用金属加固层板，间距控制在40-50cm内88% similarUnverified承重不足的层板放置多台主机+功放会下弯变形，木质层板跨度超过60cm且承重需求>15kg时应选钢制层板或加中间支撑，钢化玻璃层板注意标称承重多为均布承重非点承重85% similar
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