STRUCTURES
Combined Rectangular Footing.
Fig. 3.14 shows a combined rectangular footing for two columns A and B carrying loads FIG. 3.14 COMBINED REC…
Fig. 3.14 shows a combined rectangular footing for two columns A and B carrying loads FIG. 3.14 COMBINED REC…
The effect of folding on folded plates can be visualized with a sheet of paper. A flat paper deforms even und…
Vierendeels may have various configurations, including one-way and two-way spans. One-way girders may be simp…
Joists, beams, and girders can be arranged in three different configurations: joists supported by columns or…
The Gerber beam is named after its inventor, Gerber, a German engineering professor at Munich. The Gerber bea…
Optimizing long-span girders can save scares resources. The following are a few conceptual options to optimi…
Bending moments can be greatly reduced, using the effect of overhangs. This can be describe on the example o…
Global moments help to analyze not only a beam but also truss, cable or arch. They all resist global moments …
Offset between center of mass and center of resistance causes eccentricity which causes torsion under seismic…
Horizontal floor and roof diaphragms transfer lateral load to walls and other supporting elements. The amoun…
The IBC Design Response Spectrum correlate time period T and Spectral Acceleration, defining three zones. Tw…
Earthquakes are caused primarily by release of shear stress in seismic faults, such as the San Andreas fault,…
1 Wind load on gabled building 2 Wind load on dome or vault 3 Protected buildings inside a city 4 Exposed…
Deflection, shear, and bending diagrams are shown here for typical beams. The beam with deflection and load d…
This beam, supporting a column point load of 96 k over a door, is a composite beam consisting of a wide-flang…
Since this is not a rectangular beam, shear stress must be computed by the general shear formula. The maximu…
Based on the forgoing general derivation of shear stress, the formulas for shear stress in rectangular wood b…
The distribution of shear stress over the cross-section of beams is derived, referring to a beam part of leng…
The formula for the moment of inertia I=∫(y^2)da reveals that the resistance of any differential area da incr…
Rectangular beams of homogeneous material, such as wood, are common in practice. The section modulus for suc…