Environmental effects on the failure of GRP multi-bolt joints

Turvey, G. J. and Wang, P. (2009) Environmental effects on the failure of GRP multi-bolt joints. Proceedings of the ICE - Structures and Buildings, 162 (4). pp. 275-287. ISSN 0965-0911

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Abstract

Effects of environmental conditions on failure loads of multi-bolt tension joints in pultruded GRP (glass-reinforced plastic) plate have been quantified by physical testing. A simple bolt layout-two bolts on the tension axis-was selected. joint geometry was defined in terms of the end distance (E), the pitch distance (P), the side distance (S) and the bolt diameter (D). The joints were tested under four sets of environmental conditions: (a) normal (ambient temperature (similar to 20 degrees C) + dry), (b) hot (60 degrees C + dry), (c) wet (ambient temperature + 6.5 weeks in water), and (d) hot-wet (60 degrees C + 6.5 weeks in water). They were also tested with various geometries-that is, three, two and two values of the ratios (E/D), (P/D) and (S/D) respectively. A total of 144 joints were tested. Damage and failure loads together with failure modes were recorded. The effects of environmental conditions and joint geometries on damage and failure loads have been quantified and load reduction (knock-down) factors have been established for each of the environmental conditions.

Item Type:
Journal Article
Journal or Publication Title:
Proceedings of the ICE - Structures and Buildings
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2200/2215
Subjects:
?? strength and testing of materialscomposite structures materials technologybuilding and constructioncivil and structural engineering ??
ID Code:
60693
Deposited By:
Deposited On:
14 Dec 2012 09:12
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Jul 2024 13:28