神戸空港島浚渫土処分地における盛土造成後の沈下予測について
In order to dispose of dredged clay effectively, it is important to plan the dredged clay disposal based on the settlement prediction in advance and to understand accurately the acceptable quantity of dredged clay in the disposal pond. However, it is still a great challenge to understand properly th...
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Veröffentlicht in: | Zairyō 2018/01/15, Vol.67(1), pp.10-17 |
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description | In order to dispose of dredged clay effectively, it is important to plan the dredged clay disposal based on the settlement prediction in advance and to understand accurately the acceptable quantity of dredged clay in the disposal pond. However, it is still a great challenge to understand properly the consolidation characteristics of the dredged clay for the settlement prediction. The authors have already examined, in the disposal pond at Kobe airport, the settlement of the clay was calculated using the volume ratio ƒ represented uniformly by logƒ for the consolidation characteristics of clay (compressibility, permeability and consolidation velocity) by soil improvement after dredged clay was disposed of several times, and then additional dredged clay was disposed of. And the calculation was compared to the measurements of various properties, which agree well with calculation results. After the completion of the dispose of dredged clay, the supernatant in the pond was drained, and then land forming has been done. The authors performed calculations with the proposed consolidation method against the bed of dredged clay with the complex complicated disposal history. It is reported that the results agree mostly with the measured settlement, pore water pressure and the water content at the site. In addition, it is reported that residual settlement prediction is calculated including the settlement of alluvial clay bellow the dredged clay. |
doi_str_mv | 10.2472/jsms.67.10 |
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However, it is still a great challenge to understand properly the consolidation characteristics of the dredged clay for the settlement prediction. The authors have already examined, in the disposal pond at Kobe airport, the settlement of the clay was calculated using the volume ratio ƒ represented uniformly by logƒ for the consolidation characteristics of clay (compressibility, permeability and consolidation velocity) by soil improvement after dredged clay was disposed of several times, and then additional dredged clay was disposed of. And the calculation was compared to the measurements of various properties, which agree well with calculation results. After the completion of the dispose of dredged clay, the supernatant in the pond was drained, and then land forming has been done. The authors performed calculations with the proposed consolidation method against the bed of dredged clay with the complex complicated disposal history. 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It is reported that the results agree mostly with the measured settlement, pore water pressure and the water content at the site. In addition, it is reported that residual settlement prediction is calculated including the settlement of alluvial clay bellow the dredged clay.</description><subject>Airports</subject><subject>Alluvial clays</subject><subject>Clay soils</subject><subject>Consolidation</subject><subject>Dredging</subject><subject>Mathematical analysis</subject><subject>Moisture content</subject><subject>Ponds</subject><subject>Pore water pressure</subject><subject>Settlement analysis</subject><subject>Soil compressibility</subject><subject>Soil improvement</subject><subject>Soil permeability</subject><issn>0514-5163</issn><issn>1880-7488</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNo9kM1Kw0AUhQdRsNRufAXXqfOXzGThQop_UHCjuBymcaINra1Ju3BnRGqwLnRri7rQglRUFCV04cukSfEtjK24OQfu-e69cACYRzCPKcOLjlf18gbLIzgFMohzqDHK-TTIQB1RTUcGmQU5zyuXIMQYE07NDNgZPdwkQTh6HCThS_z-mXxcJ2E_7t7GZ704aMXd18jvR_555F9FJ-1Rp5NG38d3SXAZf11E_nPyFgzD9nAQJOHTmLyP_NPI782BGVtWPJX78yzYXl3ZKqxrxc21jcJyUXMwM7BGFaHSVlBXRDJCTdPiOitxg1pEIgMjAk2dsF0kpc3tkqlzJSVDtpUuYJnyJAsWJnfrbu2wqbyGcGpN9yB9KTBE1GSEQZxSSxPK8RpyT4m6W65K90hIt1G2Kkr8NicMJtBY4P_c2peucCT5AV_phvw</recordid><startdate>20180101</startdate><enddate>20180101</enddate><creator>岡田, 広久</creator><creator>大島, 昭彦</creator><general>公益社団法人 日本材料学会</general><general>Japan Science and Technology Agency</general><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20180101</creationdate><title>神戸空港島浚渫土処分地における盛土造成後の沈下予測について</title><author>岡田, 広久 ; 大島, 昭彦</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-j2762-4e34afe05e3a73499c857b864c3a1621309537d1aaf8fb958eaa71fc05e2a3493</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>jpn</language><creationdate>2018</creationdate><topic>Airports</topic><topic>Alluvial clays</topic><topic>Clay soils</topic><topic>Consolidation</topic><topic>Dredging</topic><topic>Mathematical analysis</topic><topic>Moisture content</topic><topic>Ponds</topic><topic>Pore water pressure</topic><topic>Settlement analysis</topic><topic>Soil compressibility</topic><topic>Soil improvement</topic><topic>Soil permeability</topic><toplevel>online_resources</toplevel><creatorcontrib>岡田, 広久</creatorcontrib><creatorcontrib>大島, 昭彦</creatorcontrib><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Zairyō</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>岡田, 広久</au><au>大島, 昭彦</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>神戸空港島浚渫土処分地における盛土造成後の沈下予測について</atitle><jtitle>Zairyō</jtitle><addtitle>材料</addtitle><date>2018-01-01</date><risdate>2018</risdate><volume>67</volume><issue>1</issue><spage>10</spage><epage>17</epage><pages>10-17</pages><issn>0514-5163</issn><eissn>1880-7488</eissn><abstract>In order to dispose of dredged clay effectively, it is important to plan the dredged clay disposal based on the settlement prediction in advance and to understand accurately the acceptable quantity of dredged clay in the disposal pond. However, it is still a great challenge to understand properly the consolidation characteristics of the dredged clay for the settlement prediction. The authors have already examined, in the disposal pond at Kobe airport, the settlement of the clay was calculated using the volume ratio ƒ represented uniformly by logƒ for the consolidation characteristics of clay (compressibility, permeability and consolidation velocity) by soil improvement after dredged clay was disposed of several times, and then additional dredged clay was disposed of. And the calculation was compared to the measurements of various properties, which agree well with calculation results. After the completion of the dispose of dredged clay, the supernatant in the pond was drained, and then land forming has been done. The authors performed calculations with the proposed consolidation method against the bed of dredged clay with the complex complicated disposal history. 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source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; J-STAGE (Japan Science & Technology Information Aggregator, Electronic) Freely Available Titles - Japanese |
subjects | Airports Alluvial clays Clay soils Consolidation Dredging Mathematical analysis Moisture content Ponds Pore water pressure Settlement analysis Soil compressibility Soil improvement Soil permeability |
title | 神戸空港島浚渫土処分地における盛土造成後の沈下予測について |
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