Unverified80% confidenceDecision RuleTime unknown
落地层架承重看立柱管径与壁厚：家用轻型选管径19-25mm，需放书籍/工具/微波炉等重物应选管径≥32mm且壁厚≥1.0mm的钢管，单层承重才能稳定达到50kg以上
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80%
Confidence
Long-term
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Unverified放置书籍、微波炉、鱼缸等重物时，单层承重需≥30kg且优先选加厚钢管（管径≥25mm、壁厚≥0.8mm）而非塑料层板87% similarUnverified钢管管径≥19mm且壁厚≥0.6mm的架体单层承重可达15-20kg，适合放置微波炉/收纳箱；管径＜16mm或全塑料接头的架体单层承重通常＜8kg，仅适合放轻质衣物、玩具85% similarUnverified床架管径≥25mm且壁厚≥1.2mm的方管钢架，静态承重可达200kg以上；圆管≤22mm的低端款承重多在120kg以内，180cm体型或双人使用需选方管加粗款85% similarUnverified免组装床架的钢管管径直接决定承重上限，主承重横梁管径≥25mm且壁厚≥1.0mm可稳定支撑200kg以内，管径＜22mm或壁厚＜0.8mm易出现中间塌陷和异响84% similarUnverified框架管径直接决定承重：钢管方管≥1.2mm壁厚、25mm以上截面才适合重载；壁厚＜0.8mm的薄壁管长期放重物易变形弯曲84% similar
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