corbel arch - weebly
TRANSCRIPT
CorbelArchThecorbelarchdiffersfromatruearchinthatthe
corbelusescantileveredblockstobuildthearchandtherefordoesnothaveakeystone.
Itisaweakerdesignandgenerallylimitsthebuildertoahigher,narrowerarch.Thebenefitisthatifyouonlyhadasmallcreektocrossandflatrocksasamaterialitwouldbeaneasycrossingtomake.