Curved　sandwich　structure　made　of　glass　fiber-reinforced　polymer　(GFRP)　composite　is　emerging　in　the　con-struction　of　non-linear　architectures　and　wind　turbine　blades.　In　this　work,　a　novel　curved　sandwich　panel　with　pultruded　GFRP　strip　core　was　proposed　and　studied.　Compared　with　the　common　core　materials　such　as　foam　and　wood,　pultruded　GFRP　strips　can　provide　a　higher　stiffness　and　strength,　particularly　when　used　in　large-scale　sandwich　structures.　The　proposed　sandwich　panel　was　manufactured　through　vacuum-assisted　resin　transfer　molding　process.　A　series　of　three-point　bending　tests　was　conducted　to　study　the　flexural　behavior.　The　effect　of　surface　thickness　on　the　load-carrying　capacity　and　failure　mode　was　addressed.　Then,　a　finite　element　analysis　was　conducted　via　ABAQUS　and　validated　by　the　experimental　results.　The　parametric　study　was　per　-formed　to　address　the　key　design　parameters.　Both　experimental　and　numerical　results　indicated　that　with　the　increased　surface　thickness,　the　failure　mode　could　transition　from　the　damage　of　glue　seam　to　the　transverse　cracking　inside　the　pultruded　GFRP　strip.　Moreover,　the　load-carrying　capacity　can　be　improved　with　the　thickened　face　sheet.　In　the　end,　this　work　successfully　demonstrated　the　use　of　multilayer　shell　elements　in　the　finite　element　modelling　of　the　cracking　behavior　of　glue　seams.