{"created":"2023-03-30T09:23:44.261324+00:00","id":3034,"links":{},"metadata":{"_buckets":{"deposit":"f566bc82-e376-4ad7-b85e-543a94ab9198"},"_deposit":{"id":"3034","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"3034"},"status":"published"},"_oai":{"id":"oai:nied-repo.bosai.go.jp:00003034","sets":[]},"author_link":[],"item_10001_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2005","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicPageEnd":"21","bibliographicPageStart":"13","bibliographicVolumeNumber":"58","bibliographic_titles":[{"bibliographic_title":"砂防学会誌","bibliographic_titleLang":"ja"},{"bibliographic_title":"砂防学会誌","bibliographic_titleLang":"en"}]}]},"item_10001_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Based on the results of field measurement of physical and mechanical properties of hillslope materials in granitic mountains, the angle of shearing resistance (&phi;<i>sat</i>, degree), the cohesion (<i>C<sub>sat</sub></i>, gf/cm<sup>2</sup>) and the hydraulic conductivity (<i>K</i>, cm/sec) of grus under saturated water content were deduced by two parameters of unit weight and grain size of soil as following regression equations :<br>&phi;<i><sub>sat</sub></i>=22.2&gamma;<i><sub>d</sub>CC</i><sub>0.0625</sub>+9.5(R<sup>2</sup>=0.71)<br><i>C<sub>sat</sub></i>=133.6&gamma;<i><sub>d</sub></i>-55.7<i>CC</i><sub>2.0</sub>-100.0(R<sup>2</sup>=0.75)<br>log<sub>10</sub><i>K</i>=-1.512&gamma;<i><sub>d</sub>CC</i><sub>2.0</sub><sup>-0.211</sup>(R<sub>2</sub>=0.79)<br>where &gamma;<i><sub>d</sub></i> is the dry unit weight of soils (gf/cm<sup>3</sup>) and <i>CC</i><sub>D</sub> is the content for coarser grains than D mm. Since the values of <i>CC</i><sub>0.0625</sub> and <i>CC</i><sub>2.0</sub> can be easily measured by sieving method and &gamma;<i><sub>d</sub></i> is estimated using simplified dynamic cone penetrometer, these parameters can be estimated using the above equations at many points and depths of the soil layer on steep mountains.","subitem_description_language":"ja","subitem_description_type":"Other"},{"subitem_description":"Based on the results of field measurement of physical and mechanical properties of hillslope materials in granitic mountains, the angle of shearing resistance (&phi;<i>sat</i>, degree), the cohesion (<i>C<sub>sat</sub></i>, gf/cm<sup>2</sup>) and the hydraulic conductivity (<i>K</i>, cm/sec) of grus under saturated water content were deduced by two parameters of unit weight and grain size of soil as following regression equations :<br>&phi;<i><sub>sat</sub></i>=22.2&gamma;<i><sub>d</sub>CC</i><sub>0.0625</sub>+9.5(R<sup>2</sup>=0.71)<br><i>C<sub>sat</sub></i>=133.6&gamma;<i><sub>d</sub></i>-55.7<i>CC</i><sub>2.0</sub>-100.0(R<sup>2</sup>=0.75)<br>log<sub>10</sub><i>K</i>=-1.512&gamma;<i><sub>d</sub>CC</i><sub>2.0</sub><sup>-0.211</sup>(R<sub>2</sub>=0.79)<br>where &gamma;<i><sub>d</sub></i> is the dry unit weight of soils (gf/cm<sup>3</sup>) and <i>CC</i><sub>D</sub> is the content for coarser grains than D mm. Since the values of <i>CC</i><sub>0.0625</sub> and <i>CC</i><sub>2.0</sub> can be easily measured by sieving method and &gamma;<i><sub>d</sub></i> is estimated using simplified dynamic cone penetrometer, these parameters can be estimated using the above equations at many points and depths of the soil layer on steep mountains.","subitem_description_language":"en","subitem_description_type":"Other"}]},"item_10001_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"砂防学会","subitem_publisher_language":"ja"},{"subitem_publisher":"Japan Society of Erosion Control Engineering","subitem_publisher_language":"en"}]},"item_10001_relation_14":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"10.11475/sabo1973.58.4_13"}}]},"item_10001_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0286-8385","subitem_source_identifier_type":"ISSN"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"若月強","creatorNameLang":"ja"},{"creatorName":"若月強","creatorNameLang":"en"}]},{"creatorNames":[{"creatorName":"佐々木良宜","creatorNameLang":"ja"},{"creatorName":"佐々木良宜","creatorNameLang":"en"}]},{"creatorNames":[{"creatorName":"田中幸哉","creatorNameLang":"ja"},{"creatorName":"田中幸哉","creatorNameLang":"en"}]},{"creatorNames":[{"creatorName":"松倉公憲","creatorNameLang":"ja"},{"creatorName":"松倉公憲","creatorNameLang":"en"}]}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_title":"マサ土における単位体積重量と粒度組成を用いたせん断強度定数及び透水係数の推定の試み","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"マサ土における単位体積重量と粒度組成を用いたせん断強度定数及び透水係数の推定の試み","subitem_title_language":"ja"},{"subitem_title":"Predictive equation of shear-strength parameters and permeability of grus using by unit weight and grain size","subitem_title_language":"en"}]},"item_type_id":"40001","owner":"1","path":["1670839190650"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2023-04-27"},"publish_date":"2023-04-27","publish_status":"0","recid":"3034","relation_version_is_last":true,"title":["マサ土における単位体積重量と粒度組成を用いたせん断強度定数及び透水係数の推定の試み"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-04-27T05:15:29.206484+00:00"}