Field glossaryRe-entrant cornerAn inside corner where stress concentrates and a crack tends to run out at about 45 degreesUsed across 2 Anvilfield field guides, most in Concrete. Where this shows upConcreteConcrete crack types and causesConcreteControl joint layout Related termsAspect ratioConstruction jointControl / contraction jointDowelDrying shrinkagePlastic shrinkage crack Back to the full field glossary