Structural Efficiency of Aluminum Multiweb Beams and Z-Stiffened Panels Reinforced With Filamentary Boron-Epoxy Composite.
Abstract
The gain in structural efficiency achieved by reinforcing the aluminum cover skins of multiweb beams and Z-stiffened panels with rectangular boron-epoxy stiffeners located midway between conventional webs or stiffeners is calculated. The effectiveness of adding boron-epoxy reinforcement to the outstanding flange of the Z-stiffeners in Z-stiffened panels is also evaluated. Cover reinforcement reduced the mass of the multiweb beams by about 25 percent and reduced the mass of Z-stiffened panels by about 15 percent. The flange reinforcement reduced the mass of the Z-stiffened panels by another 8 percent at low values of the loading index but had little effect on mass at higher values of the loading index.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 1970
- Accession Number
- ADA309560
Entities
People
- James P. Peterson
Organizations
- Langley Research Center