swell factor

swell factor

Of a material such as soil, the ratio of the weight of a loose cubic yard (or meter) to the weight of a bank cubic yard (or meter).
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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The die land length plays a vital role in determining the die swell factor. The company determined that increasing the die land length reduces the swell factor of the polymer because the additional residence time in the die land area enables the polymer molecules to properly align along the flow direction.
"The rating limit is constantly updated by the VPP program and the Pacific Swell Factor," Garnier said.
Therefore, the overall parison swell predicted for each element at each time-step is a combination of the numerically predicted swell and the model-based swell factors, defined as follows:
The manual also provides a good grounding in the mathematics of digging, including digging geometry, material density, swell factors, dipper crowd and hoist forces, and matching dipper and truck capacities for even-pass loading.
* Different swell factors and repose angles can be applied to different material types moved by the equipment.