TAILIEUCHUNG - APA Engineered Wodd Handbooks Episode 5

Tham khảo tài liệu 'apa engineered wodd handbooks episode 5', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | STRUCTURAL GLUED LAMINATED TIMBER GLULAM quired for most two-hinged arches. Reference 11 chap. 9 gives detailed description and design procedures for glued laminated timber arches. DESIGN TABLES Beams Introduction. Glued laminated timber beams are used in a wide range of applications in both commercial and residential construction. The tables in this section provide recommended preliminary design loads for two of the most common glued laminated timber beam applications roofs and floors. The recommendations apply to glued laminated timber beams meeting the requirements of ANSI . The tables included in this section include values for section properties and capacities and allowable loads for simple-span and cantilevered beams. The tables are based on an allowable bending stress of Fb 2400 psi for both Douglas fir and southern pine. Section Properties and Design Capacities. Tables and provide section properties and design capacities for two commonly used species of glued laminated timber beams under dry-use conditions. Bending moment and shear capacities are based on a normal 10-year duration of load. Dimensions shown are net sizes and capacities are based on loading perpendicular to the wide faces of the laminations that is bending about the x-x axis of the beam as shown in Fig. . Final design should include a complete analysis including bearing stresses and lateral stability. See Design Examples 1 and 4 in this section for examples of preliminary design using glued laminated timber beam section capacities from Tables and . Allowable Loads for Simple-Span Glued Laminated Timber Beams. Tables and provide allowable loads for glued laminated timber beams used as simple span roof members in snow load areas DOL factor and for nonsnow loads DOL factor . Tables and provide similar information for floor members DOL factor . The tables can be used to size such members for preliminary .

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