Table 6: Megascopic evaluation of concrete cores Sr. No. Location Class of Concrete Map Cracks Fracture Cutting Clasts Fracture Cutting Paste Dark Rims Around Clasts Secondary ASR Products 1 Abutment E Nil Nil Nil Yes Nil 2 Buttress D Nil Nil Nil Nil Nil 3 Walkway D Nil Nil Nil Nil Nil 4 Wall D Nil Nil Nil Yes Nil 5 Trunnion Girder B Nil Nil Nil Nil Nil 6 Trunnion Girder B Nil Yes Yes Yes Yes 7 Trunnion Girder B Nil Nil Nil Yes Nil 8 Gallery D Nil Nil Nil Nil Nil 9 Retaining Wall D Nil Nil Yes Yes Yes 10 Walkway D Nil Nil Nil Nil Nil