Scaling aspects of quadrangular plates subjected to localised blast loads—experiments and predictions

✍ Scribed by N. Jacob; S. Chung Kim Yuen; G.N. Nurick; D. Bonorchis; S.A. Desai; D. Tait

• Publisher: Elsevier Science
• Year: 2004
• Tongue: English
• Weight: 848 KB
• Volume: 30
• Category: Article
• ISSN: 0734-743X
• DOI: 10.1016/j.ijimpeng.2004.03.012

✦ Synopsis

A series of experimental results on clamped mild steel quadrangular plates of different thicknesses (1.6, 2.0, 3.0 and 4.0 mm) and varying length-to-width ratios (1.0-2.4) subjected to localised blast loads of varying sizes is reported. Disc shaped explosive charges of varying charge diameter-to-plate width ratios (0.2-0.37) and charge heights (1.8-14 mm) are centrally positioned on quadrangular plates to provide impulses resulting in mid-point deflections in the range from two plate thicknesses to central plate tearing. The effects of varying both the loading conditions and the plate geometries on the deformation are described. A modified dimensionless number is presented for the quadrangular plate response when subjected to localised circular blast loading. In addition, numerical predictions are carried out and compared with experiments for a limited selection of plate geometries.