抄録
The discusser can not understand some parts of the above paper. Several questions are presented here in this discussion.
The questions are concerned with the following items.
The items are (1) applicability of the AIJ Design Recommendations, (2) exactness of description, (3) confirmation of cone failure mode, (4) evaluation of yield shelf, and (5) definition of crack width.
The discusser asks the authors to answer the questions.