OPTICAL FIBER SCOURING SENSOR AND SCOURING AND SENSING SYSTEM USING THE SAME
PROBLEM TO BE SOLVED: To provide an optical fiber scouring sensor capable of collectively monitoring an overall river, without using much labor and cameras and a scouring and sensing system using the same. SOLUTION: Optical fiber cables 4-1 to 4-3, having weights 3-1 to 3-3 mounted at predetermined...
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| creator | FUKUCHI KEISUKE UNNO SHUJI |
| description | PROBLEM TO BE SOLVED: To provide an optical fiber scouring sensor capable of collectively monitoring an overall river, without using much labor and cameras and a scouring and sensing system using the same. SOLUTION: Optical fiber cables 4-1 to 4-3, having weights 3-1 to 3-3 mounted at predetermined intervals, are disposed on a floodplain 1 of the river 11 to accurately distributedly sense physical amount information, such as temperature change, humidity change, strain or the like applied to optical fibers in the cables 4-1 to 4-3. As a result, it is not necessary to use much labor and cameras. That is, the optical fiber scour sensors 10 are disposed along the longitudinal direction of a levee body 12 on filling 18 and the floodplain 1 on a consolidation block 17 of a foundation embedded near a front normal and a front skirt of the body 12. Thus, strain generated at the sensor 10 by a scour is sensed, and a scour phenomenon long the longitudinal direction of the body 12 can be sensed distributedly. |
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SOLUTION: Optical fiber cables 4-1 to 4-3, having weights 3-1 to 3-3 mounted at predetermined intervals, are disposed on a floodplain 1 of the river 11 to accurately distributedly sense physical amount information, such as temperature change, humidity change, strain or the like applied to optical fibers in the cables 4-1 to 4-3. As a result, it is not necessary to use much labor and cameras. That is, the optical fiber scour sensors 10 are disposed along the longitudinal direction of a levee body 12 on filling 18 and the floodplain 1 on a consolidation block 17 of a foundation embedded near a front normal and a front skirt of the body 12. Thus, strain generated at the sensor 10 by a scour is sensed, and a scour phenomenon long the longitudinal direction of the body 12 can be sensed distributedly.</description><edition>7</edition><language>eng</language><subject>ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS ; FIXED CONSTRUCTIONS ; FOUNDATIONS ; HYDRAULIC ENGINEERING ; MEASURING ; MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE ; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR ; PHYSICS ; SOIL SHIFTING ; TARIFF METERING APPARATUS ; TESTING</subject><creationdate>2001</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20011026&DB=EPODOC&CC=JP&NR=2001296151A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20011026&DB=EPODOC&CC=JP&NR=2001296151A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FUKUCHI KEISUKE</creatorcontrib><creatorcontrib>UNNO SHUJI</creatorcontrib><title>OPTICAL FIBER SCOURING SENSOR AND SCOURING AND SENSING SYSTEM USING THE SAME</title><description>PROBLEM TO BE SOLVED: To provide an optical fiber scouring sensor capable of collectively monitoring an overall river, without using much labor and cameras and a scouring and sensing system using the same. SOLUTION: Optical fiber cables 4-1 to 4-3, having weights 3-1 to 3-3 mounted at predetermined intervals, are disposed on a floodplain 1 of the river 11 to accurately distributedly sense physical amount information, such as temperature change, humidity change, strain or the like applied to optical fibers in the cables 4-1 to 4-3. As a result, it is not necessary to use much labor and cameras. That is, the optical fiber scour sensors 10 are disposed along the longitudinal direction of a levee body 12 on filling 18 and the floodplain 1 on a consolidation block 17 of a foundation embedded near a front normal and a front skirt of the body 12. Thus, strain generated at the sensor 10 by a scour is sensed, and a scour phenomenon long the longitudinal direction of the body 12 can be sensed distributedly.</description><subject>ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS</subject><subject>FIXED CONSTRUCTIONS</subject><subject>FOUNDATIONS</subject><subject>HYDRAULIC ENGINEERING</subject><subject>MEASURING</subject><subject>MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE</subject><subject>MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR</subject><subject>PHYSICS</subject><subject>SOIL SHIFTING</subject><subject>TARIFF METERING APPARATUS</subject><subject>TESTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2001</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZPDxDwjxdHb0UXDzdHINUgh29g8N8vRzVwh29Qv2D1Jw9HNBiIE5QHGwfGRwiKuvQiiYE-LhqhDs6OvKw8CalphTnMoLpbkZlNxcQ5w9dFML8uNTiwsSk1PzUkvivQKMDAwMjSzNDE0NHY2JUgQAEdguTg</recordid><startdate>20011026</startdate><enddate>20011026</enddate><creator>FUKUCHI KEISUKE</creator><creator>UNNO SHUJI</creator><scope>EVB</scope></search><sort><creationdate>20011026</creationdate><title>OPTICAL FIBER SCOURING SENSOR AND SCOURING AND SENSING SYSTEM USING THE SAME</title><author>FUKUCHI KEISUKE ; UNNO SHUJI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2001296151A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2001</creationdate><topic>ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS</topic><topic>FIXED CONSTRUCTIONS</topic><topic>FOUNDATIONS</topic><topic>HYDRAULIC ENGINEERING</topic><topic>MEASURING</topic><topic>MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE</topic><topic>MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR</topic><topic>PHYSICS</topic><topic>SOIL SHIFTING</topic><topic>TARIFF METERING APPARATUS</topic><topic>TESTING</topic><toplevel>online_resources</toplevel><creatorcontrib>FUKUCHI KEISUKE</creatorcontrib><creatorcontrib>UNNO SHUJI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>FUKUCHI KEISUKE</au><au>UNNO SHUJI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>OPTICAL FIBER SCOURING SENSOR AND SCOURING AND SENSING SYSTEM USING THE SAME</title><date>2001-10-26</date><risdate>2001</risdate><abstract>PROBLEM TO BE SOLVED: To provide an optical fiber scouring sensor capable of collectively monitoring an overall river, without using much labor and cameras and a scouring and sensing system using the same. SOLUTION: Optical fiber cables 4-1 to 4-3, having weights 3-1 to 3-3 mounted at predetermined intervals, are disposed on a floodplain 1 of the river 11 to accurately distributedly sense physical amount information, such as temperature change, humidity change, strain or the like applied to optical fibers in the cables 4-1 to 4-3. As a result, it is not necessary to use much labor and cameras. That is, the optical fiber scour sensors 10 are disposed along the longitudinal direction of a levee body 12 on filling 18 and the floodplain 1 on a consolidation block 17 of a foundation embedded near a front normal and a front skirt of the body 12. Thus, strain generated at the sensor 10 by a scour is sensed, and a scour phenomenon long the longitudinal direction of the body 12 can be sensed distributedly.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS SOIL SHIFTING TARIFF METERING APPARATUS TESTING |
| title | OPTICAL FIBER SCOURING SENSOR AND SCOURING AND SENSING SYSTEM USING THE SAME |
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