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Experimental study on the collapse strength of wide stiffened panels
Abstract Five specimens are tested under axial compression until collapse to investigate the ultimate strength of wide stiffened panels with four stiffeners. To avoid the side bays collapse and reduce the influence of the clamped boundary condition on the collapse behaviour, the tests are made on panels with two half bays plus one full bay in the longitudinal direction with simply supported condition at the end edge of loading. Initial loading cycles are used to release the residual stresses of the stiffened panels and the gap between the stiffened panels and the supported steel block. Strain gauges are installed on the plates and the stiffeners to record the distribution of strain. This series of experiments is compared to a series of tests with narrow panels (two stiffeners), which allows analysing the effect of the width on the strength of stiffened panels.
Highlights ► Five specimens are tested under axial compression until collapse. ► The ultimate strength of wide stiffened panels with four stiffeners was obtained. ► The panels had two half bays plus one full bay in the longitudinal direction. ► Initial loading cycles are used to release the residual stresses. ► The load displacement relationship is established.
Experimental study on the collapse strength of wide stiffened panels
Abstract Five specimens are tested under axial compression until collapse to investigate the ultimate strength of wide stiffened panels with four stiffeners. To avoid the side bays collapse and reduce the influence of the clamped boundary condition on the collapse behaviour, the tests are made on panels with two half bays plus one full bay in the longitudinal direction with simply supported condition at the end edge of loading. Initial loading cycles are used to release the residual stresses of the stiffened panels and the gap between the stiffened panels and the supported steel block. Strain gauges are installed on the plates and the stiffeners to record the distribution of strain. This series of experiments is compared to a series of tests with narrow panels (two stiffeners), which allows analysing the effect of the width on the strength of stiffened panels.
Highlights ► Five specimens are tested under axial compression until collapse. ► The ultimate strength of wide stiffened panels with four stiffeners was obtained. ► The panels had two half bays plus one full bay in the longitudinal direction. ► Initial loading cycles are used to release the residual stresses. ► The load displacement relationship is established.
Experimental study on the collapse strength of wide stiffened panels
Xu, Ming Cai (author) / Guedes Soares, C. (author)
Marine Structures ; 30 ; 33-62
2012-10-12
30 pages
Article (Journal)
Electronic Resource
English
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