An exhaust apparatus for a gas turbine , comprising: an annular duct extending axially along a machine axis of the gas turbine , the annular duct being radially delimited by an outer duct-wall and an inner duct-wall , a plurality of struts , which are circumferentially distributed within the annular duct , wherein each strut extends at least from the the outer duct-wall to the inner duct-wall and is encapsulated in a respective strut shield , wherein each strut shield engages with the outer duct-wall along a first interface and engages with the inner duct-wall along a second interface , wherein at least one of the first and second interfaces comprises: at least one collar extending along a partial length of the perimeter of the strut shield at the respective interface , the collar comprising a first section extending radially and being aligned with the strut shield , and a second section oriented at an angle to the first section and being aligned with the respective duct-wall , the first section being attached to the strut shield along a first joint and the second section being attached to the respective duct-wall along a second joint , and wherein an intersection of the first and second sections is formed by a smooth curve defined by a radius configured to distribute stresses at the respective interface . an annular duct extending axially along a machine axis of the gas turbine , the annular duct being radially delimited by an outer duct-wall and an inner duct-wall , a plurality of struts , which are circumferentially distributed within the annular duct , wherein each strut extends at least from the the outer duct-wall to the inner duct-wall and is encapsulated in a respective strut shield , wherein each strut shield engages with the outer duct-wall along a first interface and engages with the inner duct-wall along a second interface , wherein at least one of the first and second interfaces comprises: at least one collar extending along a partial length of the perimeter of the strut shield at the respective interface , the collar comprising a first section extending radially and being aligned with the strut shield , and a second section oriented at an angle to the first section and being aligned with the respective duct-wall , the first section being attached to the strut shield along a first joint and the second section being attached to the respective duct-wall along a second joint , and wherein an intersection of the first and second sections is formed by a smooth curve defined by a radius configured to distribute stresses at the respective interface . at least one collar extending along a partial length of the perimeter of the strut shield at the respective interface , the collar comprising a first section extending radially and being aligned with the strut shield , and a second section oriented at an angle to the first section and being aligned with the respective duct-wall , the first section being attached to the strut shield along a first joint and the second section being attached to the respective duct-wall along a second joint , and wherein an intersection of the first and second sections is formed by a smooth curve defined by a radius configured to distribute stresses at the respective interface . <EOS>