Eng Tips Attic Lateral Design

Spectral response coefficients s ds and s d1.

Eng tips attic lateral design. Structural engineering general discussion. The design wind speed v z is given by v z v b k 1 k 2 k 3. If the drawings say it s a shear wall and you say it s okay to remove it you now own the lateral load resistance capabilities of the structure. Loads govern the lateral design of the building.

If these requirements. Design codes in general design codes are issued by a professional organization interested in insuring safety and standards. Lateral stability aspect ratio d b b d d b 2 no lateral support required b d 2 4 ends held in position b d 5 6 laterally restrain ends and at intervals along length of less than 8ft. However if the attic is intended for storage the attic live load or some portion should also be considered for the design of other elements in the load path.

Mapped spectral response accelerations s s and s 1. 2attic loads may be included in the floor live load but a 10 psf attic load is typically used only to size ceiling joists adequately for access purposes. Design wind speed up to 10 m height from mean ground level shall be considered constant. Several of the tooling and casting requirements of a part can be addressed at the design stage.

K 1 probability factor risk co efficient k 2 terrain height and structure height factor. Eng tips engineering forums is an intelligent work forum community for engineering professionals of all disciplines. Where v z design wind speed at any height z in m s. Seismic importance factor i e and seismic use group.

Different design methods are used but they typically defined the load cases or combination stress or strength limits and deflection limits. Either way i think you should investigate the lateral load paths in this house. How does a ridge beam prevent lateral pushout of home walls.