Unverified85% confidenceDecision RuleTime unknown
层板跨度（单格宽度）超过80cm时，板材书架长期承重会出现中间下垂弯曲，藏书用应控制单格宽度≤60cm或增加中间立柱支撑
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified书房放书的层板厚度需≥1.8cm（实木）或≥1.5cm（多层板），跨度超过80cm易中间下弯变形，长搁板应加中间支撑或缩短跨度88% similarUnverified书房放书的置物架单层跨度超过80cm时，中间会因书本重量下垂弯曲，需选带中间加固支撑或分段设计，或将单层长度控制在60cm以内87% similarUnverified跨度＞40cm的横向层板中央下垂明显，木质层板超过60cm跨度需加中间立柱支撑，否则长期承重会弯曲变形87% similarUnverified单个柜体宽度超过80cm的层板建议中间加竖向支撑或选双柱设计，否则层板跨度过大易变形下弯85% similarUnverified落地架宽度超过80cm时优先选带中间立柱或三角加强筋的结构，否则层板长期承重会出现中部下弯，纯两侧支撑的宽层板是变形高发点85% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/343469API
curl https://kongchang.com/api/v1/knowledge/claims/343469MCP
get_claim(id=343469)