BS 5977-2-1983 标准详情
- 标准号:BS 5977-2-1983
- 中文标题:门窗过梁.第2部分:预制门窗过梁规范
- 英文标题:lintels. specification for prefabricated lintels
- 标准类别:英国标准
- 发布日期:1983-02-28
Requirements for concrete, steel and timber prefabricated lintels, including prefabricated elements used in composite lintels. Maximum span 4.5 m (single storey buildings) or 3.6 m (two or three storey buildings). Covers materials, protection against
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