DIN 21315:1989
矿山坑道用圆木.支柱和圆棒的承荷能力.计算
Round pit timber; load bearing capacity of props and bars; calculation
- 标准号
- DIN 21315:1989
- 发布
- 1989年
- 发布单位
- 德国标准化学会
- 当前最新
- DIN 21315:1989
- 被代替标准
- DIN 21315-65
- 适用范围
- This standard applies to props and canopies made from round timber as per DIN 21316 and DIN 21320 for mine support pueposes, and contains the calculation route for the determination of the supporting capacity of round timber in the critical ranges of bending and buckling.#,,#