Wood Handbook, Wood as an Engineering Material
When lag screws are used with metal plates, the lateral loads parallel to the grain may be increased 25%, provided the plate thi ...
(proportional limit stress of 7,860 kPa (1,140 lb in–2)). This effect also occurs for bolt-bearing stress parallel to grain, but ...
increase in bearing stress parallel to grain for bolts with a yield stress of 862 MPa (125,000 lb in–2). Effect of Member Thickn ...
wood mallet. In general, the smoother the hole, the higher the bearing values will be (Fig. 8–14). Deformations ac- companying t ...
a minimum of one-half the thickness of the main member. The single-bolt value must then be modified for any varia- tion from the ...
for wood or steel side members, which is taken into account by thickness and dowel bearing strength parameters. The equations ar ...
obtained for seasoned members, approximately 12% mois- ture content. Perpendicular-to-Grain Loading Loads for perpendicular-to-g ...
primarily on specific gravity, and design loads assigned for each group. Species groupings for connectors are pre- sented in Tab ...
Ordinarily, before fabrication of connector joints, members should be seasoned to a moisture content corresponding as nearly as ...
Chapter 8 Fastenings Width of Member The width of member listed for each type and size of con- nector is the minimum that should ...
General Technical Report FPL–GTR– 190 When two or more connectors in the same face of a mem- ber are in a line at right angles t ...
Chapter 8 Fastenings members, m = (^) u− u^2 − 1 , u = 1 + g(s/2)(1/EmAm + 1/EsAs), s center-to-center spacing between adjacent ...
General Technical Report FPL–GTR– 190 the header differs depending on whether the joist hanger is a face mount or top mount. Fac ...
Chapter 8 Fastenings Literature Cited Johansen, K.W. 1949. Theory of timber connections. Zurich, Switzerland: Publication of Int ...
General Technical Report FPL–GTR– 190 NPA. 1968. Screw holding of particleboard. Tech. Bull. 3. Washington, DC: National Particl ...
CHAPTER 9 Structural Analysis Equations Douglas R. Rammer, Research General Engineer Contents Deformation Equations 9–1 Axial Lo ...
General Technical Report FPL–GTR– 190 dependent upon beam loading, support conditions, and location of point whose deflection is ...
Chapter 9 Structural Analysis Equations deflection D due to design load plus ponded water can be closely estimated by (9–6) wher ...
Torsion The angle of twist of wood members about the longitudinal axis can be computed by (9–9) where q is angle of twist in rad ...
Chapter 9 Structural Analysis Equations by Maki and Kuenzi (1965). The shear stress at the tapered edge can reach a maximum valu ...
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