Unverified82% confidenceDecision RuleTime unknown
单层承重应关注实测值而非标称值，塑料层板长期放置精装书（单本>1kg）易在3-6个月后出现下沉变形，承重需求高选钢制或E1级实木层板，单层建议留出≥8kg余量
1
Sources
82%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified单层层板承重需≥5kg才能安全放精装书或绘本，密度板层板厚度应≥15mm，薄于12mm的层板放满32开精装书2年内易下垂弯曲81% similarUnverified承重需求判断：单层放书籍/文件选实木或金属层板承重≥5kg，塑料材质层板普遍承重2-3kg，堆放厚书易变形下弯80% similarUnverified承重看单层实际承重而非整架承重，实木/多层板单层承重需≥15kg放书籍，钢架冲孔层板单层≥30kg，密度板长期承重超8kg会中间下凹变形79% similarUnverified板材厚度决定承重：18mm板材单层跨度≤900mm可放书籍杂物；跨度＞900mm或放置重物需25mm板材或中间加立板，否则3-5年后层板会明显下弯变形79% similarUnverified承重需求区分材质：单层放书籍、瓶罐等重物应选钢制且单层承重≥15kg；塑料层板长期承重超过5kg会明显下弯变形78% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/343331API
curl https://kongchang.com/api/v1/knowledge/claims/343331MCP
get_claim(id=343331)