PD 6693-1:2012

PD 6693-1:2012 Recommendations for the design of structures to BS EN 1995 Eurocode 5 for Timber structures (revision of BS 5268)

When there is a need for guidance on a subject that is not covered by the Eurocode, a country can choose to publish documents that contain non-contradictory complementary information that supports the Eurocode. This Published Document, which has been prepared by BSI Subcommittee B/525/5, Structural use of timber, provides just such information and has been cited as a reference in the UK National Annex to BS EN 1995-1-1.

PD 6693-1:2012 gives non-contradictory complementary information for use with BS EN 1995-1-1 and NA to BS EN 1995-1-1. Contents for PD 6693-1:2012 includes:

• Introduction
• Scope
• Normative references
• Terms, definitions and abbreviations
• Design responsibilities
• Effective anchorages of timber floors to walls for buildings of Consequence Class 2a
• Assignment of timbers to BS EN 338 strength classes
• Horizontally glued laminated hardwood members
• Factor, kc,90, for compression perpendicular to grain
• Effective lengths of compression members
• Limits on notches and circular holes in joists and studs for which no calculations are required
• Design of beams with circular holes
• Characteristic properties of fasteners
• Yield moment of annular ring-shanked nails
• Diameters for evaluating lateral load-carrying capacities of screws
• Axially loaded screws
• Connections made with punched metal plate fasteners
• Misalignment tolerances in punched metal plate fastener joints
• Contact pressure between timber members in punched metal plate fastener joints under compression
• Trusses with punched metal plate fasteners
• Masonry shielding to wall diaphragms
• Simplified analysis of wall diaphragms
• Contribution of plasterboard to racking resistance
• Evaluation of design racking resistance of plasterboard-clad timber frame walls
• Bracing to trussed rafter roofs
• Lateral load-carrying capacity of glued lap joints