P

FIGURE 3.94 PS effect for beam-column with nonuniform bending.

FIGURE 3.94 PS effect for beam-column with nonuniform bending.

2. For compression members subject to transverse loading between supports, Cm = 1.0.

The second amplification factor accounts for the additional deflections and moments that are produced in a frame that is subject to sidesway, or drift. By combination of compressive axial forces and relative lateral translation of the ends of members, additional moments are developed. These moments are often termed the PA moments. In this case, the moments Mlt determined from a first-order analysis are amplified by the factor

Renewable Energy 101

Renewable Energy 101

Renewable energy is energy that is generated from sunlight, rain, tides, geothermal heat and wind. These sources are naturally and constantly replenished, which is why they are deemed as renewable. The usage of renewable energy sources is very important when considering the sustainability of the existing energy usage of the world. While there is currently an abundance of non-renewable energy sources, such as nuclear fuels, these energy sources are depleting. In addition to being a non-renewable supply, the non-renewable energy sources release emissions into the air, which has an adverse effect on the environment.

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