Glass Reinforced Plastic (GRP) and Aluminium Bolted T-joints The UK's National Physical Laboratory (NPL) used LUSAS Composite to undertake a parametric study of two types of bolted T-joints under various static loading conditions. The e?ect of varying section properties such as web and base plate thicknesses, ?ange radii and bolt positions was investigated for both yield and fatigue assessments and for veri?cation with laboratory testing. This on-going work forms part of the Measurements for Material Systems (MMS) Programme funded by the UK's Department of Trade and Industry. OverviewBolted T-joints have a variety of mechanical, civil, aerospace and marine applications where they are expected to sustain static or cyclic fatigue loads for considerable periods of time with no adverse e?ect

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