Unverified82% confidenceTradeoffTime unknown
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
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82%
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Long-term
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Unverified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91% similarUnverified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87% similarUnverified层板跨度越大越容易下弯，宽度超过80cm的单层建议中间加立柱支撑或选加厚层板（钢≥1.0mm、木≥18mm），否则放重物必然弯曲87% similarUnverified隔板厚度直接影响承重：实木/多层板隔板厚度18mm以上抗弯性明显优于15mm以下，长跨度（宽度＞80cm）隔板中间无支撑时应选18-25mm厚板并加中间托85% similar
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