Unverified85% confidenceDecision RuleTime unknown
搁板长度超过80cm时,仅两端支撑会导致中间下垂,需在中部增加一个支架,或选用厚度≥25mm的实木/多层板以提升抗弯性能
1
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85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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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≥25mm93% similarUnverified层板跨度超过80cm时,两端支架中间需增加一个支撑点,否则实木/多层板长期受重会出现弓形下垂变形92% similarUnverified搁板悬空跨度(两个支架间距)超过60cm且为实木/中密度板时,中间易下弯变形,长搁板应选跨度≤60cm并增加中间支撑或改用金属托架90% 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90% 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89% similar
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