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Downloaded 0 times Technical Papers Abstract When a wide-flange section is exposed to close-in detonation, local and global deformation modes are developed due to a complex nonuniform pressure environment. The local deformation includes local distortion and rotation of the flanges, as well as deformation of the web, or even breaching near the web/flange junction.
Large-scale tests on concrete-filled double-skin tubes, composed of pairs of concentric cold-formed rectangular hollow section members with the annulus between them filled with grout, are performed under air-blast loading. The recorded data from the field tests, along with further laboratory experimentation, are used to validate numerical models developed for single-degree-of-freedom and explicit finite-element analysis.
Static testing of glass plates has shown a pronounced distribution in the plate strength. The origin of fracture location along the plate span, the corresponding critical tensile stress, and the size of the critical flaw at the origin of fracture are failure characteristics of major importance.
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