Unverified80% confidenceDecision RuleTime unknown
实木搁板厚度低于18mm且跨度超过80cm时容易中间下弯变形，长跨度应选25mm以上厚板或在中间加装支撑托架，密度板/刨花板搁板受潮后易膨胀塌陷
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Long-term
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Unverified搁板长度超过80cm时中间必须增加托架支撑，否则实木或密度板长期受力会中部下弯（挠度变形），厚度也应≥25mm91% 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89% similarUnverified长搁板（>80cm）中间不加支撑易下弯变形，木质板长度超60cm建议增加中间支架或选用厚度≥18mm的板材88% similarUnverified搁板深度超过25cm且长度超过80cm时，中间必须增加支撑点或选用金属三角托，否则实木板长期承重会出现下垂弯曲88% similarUnverified实木隔板厚度直接决定承重与抗弯变形：厚度＜1.5cm的板材放重物易中间下沉弯曲，跨度＞60cm的隔板厚度应≥1.8cm或中间加支撑88% similar
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