Aircraft Operating Life and Durability

                                 Laboratory Work ｹ7
                 THE INFLUENCE OF DESIGN PARAMETERS ON THE DURABILITY 
			      OF THE LONGITUDINAL JOINTS OF THE WEBS OF THE SPAR

          Student:       Group:
          Variant:

          Initial data:
          Fastener type: 
          Tau_xy= MPa    Sigma_z= MPa    hj= mm

          Calculation of longtitudinal joints durability
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          |Joint Type             |Calculated   |Joint     |
          |                       |durability   |Mass      |
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          |Basic variant  :       |                        |
          |d=5mm, b=35mm, S=2.0mm |                        |
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          |Web thickening:        |                        |
          |d=5mm, b=35mm, S=2.5mm |                        |
          |d=5mm, b=35mm, S=3.5mm |    					   |
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          |Step reducing:         |                        |
          |d=5mm, b=30mm, S=2.0mm |                        |
          |d=5mm, b=25mm, S=2.0mm |                        |
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          |Diameter increasing:   |                        |
          |d=6mm, b=35mm, S=2.0mm |                        |
          |d=7mm, b=35mm, S=2.0mm |                        |
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