American Wood Council 跨表
Span tables and design values for joists and rafters in one- and two-family dwellings.
跨表
APA Structural Use 跨表
Uniform load tables for APA-trademarked structural panels manufactured/qualified in accordance with APA PRP-108
Southern Forest Products Association 跨表
Span tables for visual and mechanical grades of southern pine lumber joists and rafters, and southern pine lumber and glue-laminated timber (glulam) headers, beams and girders.
Western Wood Products Association 跨表
Span tables and design values for a variety of western lumber species.
