The International Journal of the JSRM (IJJSRM), quick double-blind-peer-reviewed online journal, welcomes research manuscripts that contribute to developments in the fields of Rock Mechanics and Rock Engineering. The manuscripts may be categorized into Review, Issue papers, Technical Note, Summary or Discussion. The researchers and the engineers who have ISRM (International Society for Rock Mechanics) membership or JSRM student membership can have a right to submit their own articles to this journal (one of authors of the article should be an ISRM member or JSRM student member. See the instruction in “Submission”). Submission fee and download of all the articles published are completely FREE. The Journal is published on the J-STAGE at the web site hosted by the Japan Science and Technology Agency.