Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/13717
Title: Impact behaviour of steel-composite sandwich beams
Authors: KAZI MD ABU SOHEL
Keywords: ; energy absorption; low velocity impact; sandwich composite beam; shear connector; strain time response
Issue Date: 14-Jan-2004
Source: KAZI MD ABU SOHEL (2004-01-14). Impact behaviour of steel-composite sandwich beams. ScholarBank@NUS Repository.
Abstract: A series of tests was conducted to study the behaviour of steel-composite sandwich beams under low velocity hard impact and static load. Damage characteristic, energy absorption capacity and performance of sandwich beams with different spacing of shear connector and concrete strength were evaluated under impact loading. Thin steel plates were used as top and bottom skins of the sandwich beams and plain concrete was used as the core material. Shear connectors were provided by welding of angle sections on steel plates. The sandwich beams were impacted at their midpoint by a hemi-spherical nose shaped projectile dropped from various heights. Strains on steel plates were measured to study the effects of impact velocity or impact momentum on the performance of sandwich beams. Spacing of shear connectors and one layer of weir mesh are found to have significant effects on the impact response of the beams.
URI: http://scholarbank.nus.edu.sg/handle/10635/13717
Appears in Collections:Master's Theses (Open)

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