The　fracture　and　damage　behaviors　of　concrete　under　I-II　mixed-mode　loading　are　of　great　importance　in　determining　the　failure　mode　of　concrete　material　and　structure.　In　this　paper,　the　four-point　bending　beams　with　different　aggregate　volume　contents　have　been　fabricated　and　tested　to　obtain　the　limited　loading　capacities,　and　the　Digital　Image　Correlation　(DIC)　method　was　utilized　for　monitoring　the　local　displacement　above　the　notch　during　the　loading　procedure.　Furthermore,　based　on　the　aggregate　occupation　and　translation　algorithm,　a　modified　random　aggregate　model　has　been　proposed　for　generating　the　four-point　bending　beam　with　precast　notch,　and　the　numerical　simulations　for　the　four-point　bending　beam　with　different　aggregate　volume　contents　and　depths　have　been　proceed.　(C)　2019　Elsevier　Ltd.　All　rights　reserved.