TUNNELING METHOD
PURPOSE:To reduce the cost of construction by inserting a heat pipe into natural ground, turning to the circumferential portion of a tunnel to be excavated, and freezing the natural ground with an evaporator element of the pipe via a coolant colled up by a refrigerating plant. CONSTITUTION:A heat pi...
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| creator | SUGAWARA SUKEYUKI SHIRASAWA MAKOTO TAKAMORI SADAHIKO |
| description | PURPOSE:To reduce the cost of construction by inserting a heat pipe into natural ground, turning to the circumferential portion of a tunnel to be excavated, and freezing the natural ground with an evaporator element of the pipe via a coolant colled up by a refrigerating plant. CONSTITUTION:A heat pipe 1 is inserted into natural ground, turning to a circumferential part 24 of a tunnel 22 to be excavated, and a condenser 8 of this pipe 1 is cooled by a refrigerating plant 15, with a coolant cooled via a jacket 17. In addition, the natural ground, turning to the circumferential portion 24 of the tunnel 22 to be excavated is frozen into a cryogenic level in a quick manner, excavating the tunnel 22. With this constitution, a construction period is reducible in addition to reduction in construction cost. |
| format | Patent |
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CONSTITUTION:A heat pipe 1 is inserted into natural ground, turning to a circumferential part 24 of a tunnel 22 to be excavated, and a condenser 8 of this pipe 1 is cooled by a refrigerating plant 15, with a coolant cooled via a jacket 17. In addition, the natural ground, turning to the circumferential portion 24 of the tunnel 22 to be excavated is frozen into a cryogenic level in a quick manner, excavating the tunnel 22. With this constitution, a construction period is reducible in addition to reduction in construction cost.</description><language>eng</language><subject>BLASTING ; EARTH DRILLING ; EMBANKMENTS ; EXCAVATIONS ; FIXED CONSTRUCTIONS ; FOUNDATIONS ; GALLERIES ; HEAT EXCHANGE IN GENERAL ; HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT ; HEATING ; HYDRAULIC ENGINEERING ; LARGE UNDERGROUND CHAMBERS ; LIGHTING ; MECHANICAL ENGINEERING ; MINING ; SHAFTS ; SOIL SHIFTING ; TUNNELS ; UNDERGROUND OR UNDERWATER STRUCTURES ; WEAPONS</subject><creationdate>1992</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=19920228&DB=EPODOC&CC=JP&NR=H0464688A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19920228&DB=EPODOC&CC=JP&NR=H0464688A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SUGAWARA SUKEYUKI</creatorcontrib><creatorcontrib>SHIRASAWA MAKOTO</creatorcontrib><creatorcontrib>TAKAMORI SADAHIKO</creatorcontrib><title>TUNNELING METHOD</title><description>PURPOSE:To reduce the cost of construction by inserting a heat pipe into natural ground, turning to the circumferential portion of a tunnel to be excavated, and freezing the natural ground with an evaporator element of the pipe via a coolant colled up by a refrigerating plant. CONSTITUTION:A heat pipe 1 is inserted into natural ground, turning to a circumferential part 24 of a tunnel 22 to be excavated, and a condenser 8 of this pipe 1 is cooled by a refrigerating plant 15, with a coolant cooled via a jacket 17. In addition, the natural ground, turning to the circumferential portion 24 of the tunnel 22 to be excavated is frozen into a cryogenic level in a quick manner, excavating the tunnel 22. With this constitution, a construction period is reducible in addition to reduction in construction cost.</description><subject>BLASTING</subject><subject>EARTH DRILLING</subject><subject>EMBANKMENTS</subject><subject>EXCAVATIONS</subject><subject>FIXED CONSTRUCTIONS</subject><subject>FOUNDATIONS</subject><subject>GALLERIES</subject><subject>HEAT EXCHANGE IN GENERAL</subject><subject>HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT</subject><subject>HEATING</subject><subject>HYDRAULIC ENGINEERING</subject><subject>LARGE UNDERGROUND CHAMBERS</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>MINING</subject><subject>SHAFTS</subject><subject>SOIL SHIFTING</subject><subject>TUNNELS</subject><subject>UNDERGROUND OR UNDERWATER STRUCTURES</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1992</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBAICfXzc_Xx9HNX8HUN8fB34WFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8V4BHgYmZiZmFhaOxkQoAQDZLR10</recordid><startdate>19920228</startdate><enddate>19920228</enddate><creator>SUGAWARA SUKEYUKI</creator><creator>SHIRASAWA MAKOTO</creator><creator>TAKAMORI SADAHIKO</creator><scope>EVB</scope></search><sort><creationdate>19920228</creationdate><title>TUNNELING METHOD</title><author>SUGAWARA SUKEYUKI ; SHIRASAWA MAKOTO ; TAKAMORI SADAHIKO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH0464688A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1992</creationdate><topic>BLASTING</topic><topic>EARTH DRILLING</topic><topic>EMBANKMENTS</topic><topic>EXCAVATIONS</topic><topic>FIXED CONSTRUCTIONS</topic><topic>FOUNDATIONS</topic><topic>GALLERIES</topic><topic>HEAT EXCHANGE IN GENERAL</topic><topic>HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT</topic><topic>HEATING</topic><topic>HYDRAULIC ENGINEERING</topic><topic>LARGE UNDERGROUND CHAMBERS</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>MINING</topic><topic>SHAFTS</topic><topic>SOIL SHIFTING</topic><topic>TUNNELS</topic><topic>UNDERGROUND OR UNDERWATER STRUCTURES</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>SUGAWARA SUKEYUKI</creatorcontrib><creatorcontrib>SHIRASAWA MAKOTO</creatorcontrib><creatorcontrib>TAKAMORI SADAHIKO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SUGAWARA SUKEYUKI</au><au>SHIRASAWA MAKOTO</au><au>TAKAMORI SADAHIKO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>TUNNELING METHOD</title><date>1992-02-28</date><risdate>1992</risdate><abstract>PURPOSE:To reduce the cost of construction by inserting a heat pipe into natural ground, turning to the circumferential portion of a tunnel to be excavated, and freezing the natural ground with an evaporator element of the pipe via a coolant colled up by a refrigerating plant. CONSTITUTION:A heat pipe 1 is inserted into natural ground, turning to a circumferential part 24 of a tunnel 22 to be excavated, and a condenser 8 of this pipe 1 is cooled by a refrigerating plant 15, with a coolant cooled via a jacket 17. In addition, the natural ground, turning to the circumferential portion 24 of the tunnel 22 to be excavated is frozen into a cryogenic level in a quick manner, excavating the tunnel 22. With this constitution, a construction period is reducible in addition to reduction in construction cost.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | BLASTING EARTH DRILLING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS GALLERIES HEAT EXCHANGE IN GENERAL HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING HYDRAULIC ENGINEERING LARGE UNDERGROUND CHAMBERS LIGHTING MECHANICAL ENGINEERING MINING SHAFTS SOIL SHIFTING TUNNELS UNDERGROUND OR UNDERWATER STRUCTURES WEAPONS |
| title | TUNNELING METHOD |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2024-12-19T19%3A32%3A11IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-epo_EVB&rft_val_fmt=info:ofi/fmt:kev:mtx:patent&rft.genre=patent&rft.au=SUGAWARA%20SUKEYUKI&rft.date=1992-02-28&rft_id=info:doi/&rft_dat=%3Cepo_EVB%3EJPH0464688A%3C/epo_EVB%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |